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  • ACT On' OVCA for Cloud Providers Program Launch Webcast: June 12, 2014 - 9am UKT / 10am CET / 11am EET

    - by Cinzia Mascanzoni
    Normal 0 false false false EN-US X-NONE X-NONE We invite you to join the OVCA for Cloud Providers ‘ACT On' program launch at 11am BST / 12noon CET on June 12. · More and more customers realize the value of shifting to a Converged IT Infrastructure, this is why IDC expects this market to grow 40% annually for the next 2 years. · The Oracle Virtual Compute Appliance (OVCA) with attached ZFS storage is the perfect answer to this market trend. By providing rapid application and cloud deployment, OVCA allows customers to cut capital expenditures by up to 50% and deploy key applications up to 7x faster. · For Partners, OVCA supports their journey to consolidation, virtualization and cloud, and allows them to sell higher value services to their customers. The objective of this webcast is to share with you the OVCA value proposition, help you identify the best target partners, and provide you with the Enablement and Demand Generation content and resources. To register and for further details click here /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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  • JCP.Next.3 working group meetings have begun

    - by Heather VanCura
    As mentioned in the blog earlier this week, the third JSR in the JCP.Next effort, JSR 358, A major revision of the Java Community Process, was approved by the JCP EC to continue development earlier this year.  This JSR will modify the Java Specification Participation Agreement (JSPA) as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons, the JCP EC (acting as the Expert Group for this JSR), expects to spend a considerable amount of time working on this JSR. The JSPA is defined by the JCP as "a one-year, renewable agreement between the Member and Oracle. The success of the Java community depends upon an open and transparent JCP program. The first EG working meetings have started and  meeting materials and minutes are available on their Java.net project. Last week an IP Working Group commenced and their meeting minutes and materials will also be available in this location; they anticipate meeting on a weekly basis moving forward.  Also see the JSR 358 issue tracker on java.net.  Right now there are 45 issues being discussed.  Join the JSR 358 java.net project to keep up to date on the latest developments.

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  • ADF Logging In Deployed Apps

    - by Duncan Mills
    Harking back to my series on using the ADF logger and the related  ADF Insider Video, I've had a couple of queries this week about using the logger from Enterprise Manager (EM). I've alluded in those previous materials to how EM can be used but it's evident that folks need a little help.  So in this article, I'll quickly look at how you can switch logging on from the EM console for an application and how you can view the output.  Before we start I'm assuming that you have EM up and running, in my case I have a small test install of Fusion Middleware Patchset 5 with an ADF application deployed to a managed server. Step 1 - Select your Application In the EM navigator select the app you're interested in: At this point you can actually bring up the context ( right mouse click) menu to jump to the logging, but let's do it another way.  Step 2 - Open the Application Deployment Menu At the top of the screen, underneath the application name, you'll find a drop down menu which will take you to the options to view log messages and configure logging, thus: Step 3 - Set your Logging Levels  Just like the log configuration within JDeveloper, we can set up transient or permanent (not recommended!) loggers here. In this case I've filtered the class list down to just oracle.demo, and set the log level to config. You can now go away and do stuff in the app to generate log entries. Step 4 - View the Output  Again from the Application Deployment menu we can jump to the log viewer screen and, as I have here, start to filter down the logging output to the stuff you're interested in.  In this case I've filtered by module name. You'll notice here that you can again look at related log messages. Importantly, you'll also see the name of the log file that holds this message, so it you'd rather analyse the log in more detail offline, through the ODL log analyser in JDeveloper, then you can see which log to download.

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  • Contexts and Dependency Injection(CDI)??

    - by Masa Sasaki
    WebLogic Server?????????????WebLogic Server????????6?20?????????37?WebLogic Server???@????????Contexts and Dependency Injection(CDI)?(?????????? Fusion Middleware?????? ?? ?)?????????????????Java EE 6????????CDI???????DI(Dependency Injection)?Java EE 5????????????????????CDI??DI????????????????????????????????????????????????????????CDI????????????????????(?????? Fusion Middleware?????? ??? ??) CDI?? ???????CDI???Java EE 6???????JSR299: Contexts Dependency Injection????? ?????Dependency Injection (??????)?Aspect-Oriented Programming (AOP)?Interception ??????????????????????????? CDI?????????????????????????????????????????????? ?????????????????????????????????????????? ?????????????????????????????????????????????? ???????????????????????????CDI?????????????? CDI?????????????2? ??1???CDI??????????Oracle WebLogic Server 12c????Java EE 6????????? ?????????????????2???beans.xml???????Web??????????WEB-INF/beans.xml? EJB??META-INF/beans.xml????????????CDI????????????????beans.xml???? ?????????????????????? Java EE 5?DI(Dependency Injection) Java EE 5??DI????????????????????????????????????? ?????????????????????????????????????????(@EJB? @Resource?@WebServiceRef)??? Java EE 6?CDI Java EE 6?CDI?????????????????@Inject???????????????? ???????????????????????????????????????????????????? @Qualifier????????????????? ?????????????????????????????????????????@Qualifier? ????????????·??????????????????????@JPN??????????? @Produce???????? ???????????????????? ????????·?????????????? CDI?????????????????????????????????·??????? ????????????????????????????????????????????? ???????????????? EL(Expression Language) ???????? EL????????????JSF?ManagedBean?????????????·?????????????? ??? Java EE 6?????????CDI???????????Java EE 5?DI????AOP??? ???????????????????DI, AOP???????????????? ?????????????CDI?????????????????????????????? ?????CDI?????????????????????????????????? ?????? WebLogic Server??? WebLogic Server?????????WebLogic Server?????! WebLogic Server??????(???????????) WebLogic Server???????? WebLogic Server??????

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  • Building My First JavaFX Application Using Netbeans 7.1

    - by javafx4you
    Angela Caicedo, Oracle Technology Evangelist for JavaFX, has released a series of videos demonstrating how to build a simple JavaFX application using Netbeans 7.1. This video series is a great introduction to using JavaFX and takes the viewer through easy to follow, step-by-step instructions, including example code and showing the results along the way. These videos are highly recommend to anyone who is new to JavaFX and is looking for a quick getting started guide.  The first video provides an introduction to the the application and shows viewers the end result of the exercises that will be demonstrated throughout the series. The second video (Part 1) demonstrates how to get started creating the application from an empty project to build your first JavaFX application in Netbeans 7.1. Instructions include defining the components, creating and inserting image packages, adding the resources you want to make available in your application, setting the clipping area for you image, and setting the style for your image to create a transparent window. The third video (Part 2) demonstrates how to handle events and binding in the sample application using JavaFX. Watch the first 3 episodes now and stay tuned for future installments in this series on the Java YouTube channel.

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  • IFRS????&??????????

    - by toshiyuki.sakuramoto
    ???2010?4?28??????????IFRS?ERP???????????????? ??9?????????????????????????????? ????????????? IFRS??????????????????????? ??????????·????????IT????IFRS???Key???????????????????3?????????????4????????????????????????????????? ??????????? ??????????????1600km? ???????????????????????1300km??????????????? ??????6?? ??????????????600km???????????? (??) ?????????N700????? ????????????????LAN??????????????? ???????????? ???? ????????????????????? ??????????????????? ????????????????????? ?10km?????????????????????????????? ???????????????????????????? ????????????????? ?5???? (??) ???????????????????????????????? ???????????????? ??????????????????? ????????????? ??????JR???????????? ??????????N700????? ????3??????????????????????? ?????????????????? ???????0?????? ????????0?2???????????????? ?????????????????????? ????????????????????????????????????????????? ???Oracle??????????????????????????????????? ????????? IFRS?IT????????????????????

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  • Twitter ?? Nashorn ????

    - by Homma
    ????? ??? jlaskey ??? Nashorn Blog ????????????? https://blogs.oracle.com/nashorn/entry/nashorninthe_twitterverse ???????? ?? Nashorn ?????????????????????????????????Project Nashorn ???????????Nashorn ?????????????????????Nashorn ???????????????????????????????????????????????????????????????????????????????????????????????????????? ??????? Nashorn + Java ???????????????????Java ?? Twitter4J https://github.com/yusuke/twitter4j ?????????????????Twitter ?????????????????bin/getAccessToken.sh ?????twitter4j.properties ????????????????????????????????? nashorn -cp $TWITTER4J/twitter4j-core-3.0.1.jar GetHomeTimeline.js GetHomeTimeline.js ????????? var twitter4j = Packages.twitter4j; var TwitterFactory = twitter4j.TwitterFactory; var Query = twitter4j.Query; var twitter = new TwitterFactory().instance; var query = new Query("nashorn OR nashornjs"); query.count = 100; do { var result = twitter.search(query); var tweets = result.tweets; for each (tweet in tweets) { print("@" + tweet.user.screenName + "\t" + tweet.text); } } while (query = result.nextQuery()); ?????????????? JavaFX ???????????????????????...

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  • [Get Proactive!] Advisor Webcast ???! ~ WebLogic Server????·????????? OutOfMemoryError ??????????????

    - by aiyoku
    WebLogic Server????OutOfMemoryError ?????????????????????????????? OutOfMemoryError ?????????????????????????????????????????????????????????????????????????????????????????? ????Java ????????????????????????????????(1) ~ (3) ?????????????????????????????? ????????????? ??????????????????????????? ?????????????? ?????????????????????????????????????? ????????OutOfMemoryError ??????????????? ??????OutOfMemoryError ?????????????????????????????????????????????????????????????????????????????????? ??? OutOfMemoryError ????????????????????Advisor Webcast ?WebLogic Server ??????????????????????? ????????????? ??????10??????????????????????????????WebLogic Server???Advisor Webcast????????????????? ??? ?WebLogic Server ??????????????????????? ???JavaVM???????????????????????OutOfMemoryError ??????????????OutOfMemoryError ??????????????????????????????????????????????? OutOfMemoryError ?????????????????????????????????????? ????????Web Conferencing???????????????????????????????????????????????????????????(Q&A)???????????????? ???????????? Advisor Webcast: WebLogic Server ?????????????????????? ??: 11/26(?) 16?~17? ??: OutOfMemoryError ???????????? ??????????????????????? ??????? OutOfMemoryError ??? (???Q&A???????????) ????: ???? ??? ????????????? (? Advisor Webcast ????5???????????????Oracle WebLogic Server - Troubleshooting Memory Leaks(???Web???????/?????????)???????????????????????????????????? ) ????????????WebLogic Server????OutOfMemoryError????????????????????????????????????????

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  • ??????????????????????ERP

    - by toshiyuki.sakuramoto
    ???????????????????????????????????????Oracle?ERP? E-Business Suite(EBS)?????????????????? ???????????? ??9???????????????????????????????????????????????????? ????????????EBS????????????????????10??????? ??8??????????????? ERP???????????????????????????????? ERP?????????????????????????????IFRS??????????????????????????????????????????????????????????????1????????????????????????? ??????????????????????????????????????????????????????????????? ?ERP?????????????????? ?ERP?????????????????????????? ?? ERP???????????????????????????????????????????? ???????????????????????????????????????????? ????????????????? ·??????????????????? ·??????? ·?????????????????????????? ????EBS???????????????????? ????????????????????????????????????? ?????????????????????????????????? ???? ?????? 1/7 ???????????????????????????????????????????????????????????????????????????????????????????????EBS R12.1?????????????????????????????? ?????? 1/11 ?????????????????????????????????????9??????????ERP???????????????????·? ??????????????????????????10?????????ERP?????????E-???? ??????? ?Web? ???????????ERP?????????????? (ITmedia????????) ?????????????????????ERP???????? (ZDNet Japan) ?????????????????????ERP???????? (????Watch) ?????/???????????? (??????) ??????????????-??????ERP?? (asahi.com) ?????????????????????ERP???????? (IT Leaders)

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  • Primavera ???????·??????

    - by hhata
    Primavera???????????????????? 1. Primavera P6 EPPM (Enterprise Project Portfolio Management) P6 EPPM??????????????????????????????????????????? ??????????????????????????????????? P6 EPPM ???????????? 2. Primavera Cost Controls Primavera Cost Controls???????????????????????? ????????????????????????? Primavera Cost Controls ???????????? 3. Primavera Project Delivery Management Primavera Project Delivery Management????????????????????????? ????????????????????????????????????????? Primavera Project Delivery Management ???????????? 4. Primavera Capital Planning Primavera Capital Planning???????????????????? ???????????·?????????????????????????????????? ???????????????????????????????? Primavera Capital Planning ???????????? 5. Oracle Instantis EnterpriseTrack Instantis EnterpriseTrack??IT???????????????????? (PMO)?????????????????????????????????·??????? ?·??????????(PPM)?????????????????????????????? ???????????????????????????????? Instantis EnterpriseTrack ????????????? ????????????????????Primavera ????·?????????·???????:??????????????? ?? : 03-6834?5241 (??:??) ??????????????????????

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  • ????????

    - by Tatsuya Sugi
    ??????????????????? ?????????????????????????????????????????????????????IT?????????????????????????????????????????????????????????????????????? Java ? .NET ????????????????????????????????...????????????????????????????????????????????????????????????????????????????????COBOL??????????????? Java ???????????????????? ??????????Java????????????????????????????? ??/?????????????????????????? ??????????????????????????????????????? ?????????????·?????????????????HW????????/??????? ????????????????????????? ?????????????????????????????????? ??????????????????????? Java ?????????????????? ???????????????????????????????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??????????????????????????? ??????????????????????????????????????????????????????????(HPC:?????????·?????????)??????????????????????????????????????????????Java??????????????????? ???????????????? ??????????? ?Java + ??????·????????????????????? ??????·?????????????????????????? ?????????·?????????????????????????CPU????????????????????????????????????????????????????????TOP500???????????????8???x86?CPU????????????????????????? ??????·????????·???????????????????????????????/?????????????????????????????????????????????????? ????????????????????? ???: ??????????????/???????????? ?????????????????????????????????????????????????????/???????????????????????????????????????????? ???????: ?????????·????????????????? ????CPU????????????????????????????????·??????????/??????????????????????????????????????????????????????????????????????????????????????????? ??????????????????Java????????????????? ???JVM???????????????? ???????????????????????JVM?????????·????????????? ??????????????????????????????????????????? ??????????????? Oracle Coherence ???????????????????????????????????(??/????????) ??/???????? ???????????? ?????????????????????????????? ????????

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  • ???·20??!?? ??????????!??????????????????

    - by OTN-J Master
    2011??1??????????????????????????????????????????????????20?????????????????????1????????????????????????20?????????????????????????????????????????????????????????????????!??????????????????????????????????????????????? 20????????????????????????????--------------------------------------------------------------------------???1?????????????????20?????????????? ????????????????????????????? ????????????????????????????????????? ??????(?????????????????????????? ???????????????????????)? ???????????????Oracle???????????????????? ?????????????????????????????????????? ??????????????????????????????????????? ??????????????????????????????????? ?????????????????? ????--------------------------------------------------------------------------??????????????????????????????????????????????????(1??????????)???????????????????????? ?1? ????????????????? ?2? RAC(Real Application Clusters)???????????? ?3? Statspack????????????????????? ?4? ???????FAQ:???????????????? ?5? ???????????????????????? ?6? ??????????????????? ?7? ????????? ?8? ??????? ?9? ??SQL???? ?10? ??????????? ?11? ??SQL????(2????? ?12? I/O?????? ?13? ??????????? ?14? ???·?????????? ?15? ????????? ?16? ?????????? ?17? ?????????? ?18? ??????? ?19??UNDO????REDO??????? ?20????????????? ??????????OTN Newsletter?OTN Twitter???????????????????????????????????????????????????????????????????????????????????????????????OTN??????????????????????????????????????????????????”???????????”?????????????????URL?????????? (????????????????????????????????????)???????????????????

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  • Java EE 6?????????????????! ?Java EE?????“????”??????????Java EE 6????????·????????????????????

    - by ???02
    ???????????????Java EE 6????????·???????????????????Java EE????????????????????·????????????Java EE???????????????????????????????????????????/????????????(?????????????? ????????????????????????? ????&IT????????????????? ?????????????)???????????????????(????) ???????????·??????????? ?????????????????????Java EE????????????????????????·???????????????????Java EE?????????????4????????????????Java EE 6????????·??????????????????Inception(??)???Elaboration(??)?????????????????? ???????????Java??????????·????????Java EE 6????????·????????????????? ?????? ?????????????? ????????????????????????? ????&IT????????????????? ??????????????????? ????????????Java EE?????????????????????????Java EE?????????????????????????????????????/???????????????????Elaboration?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Java EE6????????????????????Java COE ????????????????? ???????????????????????????Java EE 6?????????????????????????????????????????????·?????????????????????????·??????????(WebLogic Server?Oracle Application Server?GlassFish)??WebLogic Server 12c?GlassFish 3.x(???????????????????)??????????????????????????·???????????????????????????????????????????????????????????????????????????????????????????API????????????(???)?Java EE 6????????·??????????????????????????????? 2??????????????????? Java EE 6????????·?????????????????????????????????(2??)???????(3??)??????(??????????2??)???????(1??)????????????????????????????????????????????????????????????????????????????????????2????1???????? Java EE 6????????·????????????????? ????????????????????????????????????????????????????????????????????????????????????? ????????????????????/??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(???) ??????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????·??????Java EE 6?????Weblogic Server 12c??GlassFish 3.x?????????WebLogic Server?GlassFish?????????????????????????????????? ?????Java EE 6??????????GlassFish??????????WebLogic Server????????????????????????????????????????????????????????GlassFish???????????·?????????????WebLogic Server????????????????????WebLogic Server????????????????????????JRockit Flight Recorder????????????????????????????????(???) ?????????????????????? Java EE 6??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Java EE 6????????????????????????????????? ?????????????“???”????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(???) ??????????????????????????????Java EE 6????????·???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?Java EE 6????????·?????????????????????????????????????????????Java EE??????????????????????????????????????????Java EE???????????????????????????(???) ????????Java EE?????????????????????????????Java EE 6????????·???????????????????????Java EE?????????????????

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  • ?????????OutOfMemory?????????????????|WebLogic Channel|??????

    - by ???02
    WebLogic Server Enterprise Edition????????????JRockit Mission Control????????????????????????????????????????????????????????????????????????????????Application Grid???????? ????????????????? ???(?????? Fusion Middleware?????? ???????????)??????????????????JRockit Mission Control?????2?????(???)????????????OutOfMemory???????? Java????????????????????1????????????????????????OutOfMemory?????????????·??????JVM????????????????????????????????????????????????B?????OutOfMemory???????????? B????????????????·?????????????????????????WebLogic Server???????????????OutOfMemory??????????????????????????????????????????????????????????????????????????????????????????????????????? ????B???????????????JRockit Mission Control?1??????Memory Leak Detector?????OutOfMemory???????????????Memory Leak Detector?Java????????????·??????????????????????????????????????????????????????????????????????????????????????????????????????? Memory Leak Detector?????????????????????????????????????(byte[])???????????????????????????????????·??????(GC)???????????????????????????????? ????????????????????????????????????????????????Memory Leak Detector????·??????????·??????????????????????????????????????????????????????????????ThreadLocal??????????????????????????40%??????????????????java.lang.ThreadLocal????????? WebLogic Server???Java EE????????·????????????????/??????????????????????????????????????·???????????????????????·????ThreadLocal?????????????·???????????????????????·?????????????????ThreadLocal???????????????????????????ThreadLocal?????????????????????????????? ???????ThreadLocal?????????????????Memory Leak Detector?????????????????????·?????????????????????????????(ThreadLocal???????????????)???????·????????????????????????????????????????????????????????????1????????????1?????·????????????????????????????????????????????·???????????????? ??B???????WebLogic Server???????????????????????????????WebLogic Server????2???????????????????????????????????????????????????????????????????1?????????????2?????·?????????????2?????????·??????????? ???ThreadLocal???????????????ThreadLocal????????????????Thread??????????????????????????????????????Thread???????????????????GC?????????????????GC????????????????????????·?????????????????????????????????????????????·?????????????????????????????(????????·???·???·????)? WebLogic Server???????????????????????????????????????????????(?????????????????)???"????"?????????????????????????????GC??????????ThreadLocal???????????????????????????????????????GC?????????????????????????????????????????????????????????????????????????????????OutOfMemory????????????????? ??????????????????JRockit Flight Recorder?JRockit Mission Control????????????????????????????????????ThreadLocal????????????????????????????·???·????????????????????????????JRockit Flight Recorder/JRockit Mission Control????????WebLogic Server?????????????????????????????????·???????????????? ????????????????????????????·???????????C??????????WebLogic Server??????????????????????????????????????????????4??(1????×4??)??????12??(2????×6??)??????????? ??????????3?????????????????????????????????????????????????4??·???????3,500??????????????12??????????2,000??????????????????? ???C??????????JVM????·????GC?????????????????????????OS???????????·?????????????????????????????????????????????? ???????????????????????JRockit Flight Recorder?????????????????????????????????????·?????????????????30?????????????????????? ???????????????????1?????????????????????(??????·?????)?????????????????????WebLogic Server??????????????????????????????????????????·????????????????????? ???????????????????????????????????????????????????????Spin(???)??????????????????·???????????????????????????????????????????????????????????·???????????????JRockit Flight Recorder??????????????????12??????????????·??????????????????(4??/1 JVM)????Java???·????????????(12??/1 JVM)????Java???·???????? ??????·?????????CPU????????????????????????????·???????????????????????????????CPU??????????????????????????????????????????????????????·?????????????????????????????·???? ?????????·??????????????????·????????????????????????????????????????????????????????????·??????????????????????????????????·?????????????????????·?????????????????(?????????????·???????????????????)? WebLogic Server?JVM???Oracle JRockit???CPU???????JVM?????????????JVM?????????????????????????????????????????????????(JVM????-XX:BindToCPUs???????????CPU?????????JVM???-XX:NumaMemoryPolicy=strictlocal???????????????·?????????)??????????·???????????????????????????????(12??/1 JVM)????Java???·????????(?????)*   *   * ??????????3?????????????????????????????????????????????????WebLogic Server????OS?????????????????????????????????JRockit Flight Recorder??????????????JRockit Mission Control???????????????????????????????????????????WebLogic Server?????????????????????????????????????JRockit Flight Recorder /JRockit Mission Control??????????????????????????????????????????????????????????????????????????????????????

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  • iPad Impressions

    - by Aaron Lazenby
    So, I spent some quality time with my new iPad on Saturday. Here are things I like/don't like: -- Don't like that it has to sync with iTunes before you use it: I was traveling and left my laptop at home thinking I'd use this iPad thing instead. But the first thing it asked me to do is connect it to a laptop. Ugh. Had to borrow my mother-in-law's MacBook Pro just to get the iPad rolling. -- Like that magazines and newspapers are forever changed: And I think for the better...it's why I bought this thing in the first place. I spent significant time with The New York Times, The Wall Street Journal, Time Magazine and Popular Science on the iPad. Sliding stories around, jumping from section to section, enlarging images = all excellent experiences. Actually prefer iPad magazine to print, which will require a major shift in editorial strategy, summed up by Popular Science's Mark Jannot in his editor's note "What defines a magazine? Curated expertise--not paper." -- Don't like the screwy human factors: I actually enjoy the virtual keyboard (although I think I'm in the minority), but you have to hunch over to look down at what you're typing. Bad technology ergonomics have already jacked my body in various ways. The iPad just introduced a new one.-- Like the multitouch: In fact, it's awesome. Hands down. Probably will have the most lasting impact on the personal computing industry as a whole.   -- Don't like that it's heavy: If you plan to read in bed, you'd better double up on the creatine and curls. Holding this thing up on your own gets pretty uncomfortable. -- Like the Netfilx app: I wanted to watch "The Big Lebowski," so I did. That is all. -- Don't like that people feel 3G is necessary: For $30 a month? Please. I'm already accustomed to limiting my laptop internet use to readily available free wi-fi. Why do I expect anything different with the iPad? Most anyplace I have time to sit and read/use a computer (cafe, airport, you house, library, etc.) has free wi-fi. I can live without web surfing in your car. That's what the iPhone is for. -- Don't like that not everyone was ready in day one: I'm looking at you Facebook. No iPad app for launch? Lame. iPhone apps scaled-up to work on the iPad look grainy and cheap. Not a quality befitting this beautiful $700 piece of glass.Verdict: I'm bringing it to COLLABORATE 08 and seeing if I can go the whole week using only the iPad. If I can trade this thing for my laptop, I know it's a winner. For now, I'm enjoying Popular Science.

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  • Adding UCM as a search source in Windows Explorer

    - by kyle.hatlestad
    A customer recently pointed out to me that Windows 7 supports federated search within Windows Explorer. This means you can perform searches to external sources such as Google, Flickr, YouTube, etc right from within Explorer. While we do have the Desktop Integration Suite which offers searching within Explorer, I thought it would be interesting to look into this method which would not require any client software to implement. Basically, federated searching hooks up in Windows Explorer through the OpenSearch protocol. A Search Connector Descriptor file is run and it installs the search provider. The file is a .osdx file which is an OpenSearch Description document. It describes the search provider you are hooking up to along with the URL for the query. If those results can come back as an RSS or ATOM feed, then you're all set. So the first step is to install the RSS Feeds component from the UCM Samples page on OTN. If you're on 11g, I've found the RSS Feeds works just fine on that version too. Next, you want to perform a Quick Search with a particular search term and then copy the RSS link address for that search result. Here is what an example URL might looks like: http://server:16200/cs/idcplg?IdcService=GET_SCS_FEED&feedName=search_results&QueryText=%28+%3cqsch%3eoracle%3c%2fqsch %3e+%29&SortField=dInDate&SortOrder=Desc&ResultCount=20&SearchQueryFormat= Universal&SearchProviders=server& Now you want to create a new text file and start out with this information: <?xml version="1.0" encoding="UTF-8"?><OpenSearchDescription xmlns:ms-ose="http://schemas.microsoft.com/opensearchext/2009/"> <ShortName></ShortName> <Description></Description> <Url type="application/rss+xml" template=""/> <Url type="text/html" template=""/> </OpenSearchDescription> Enter a ShortName and Description. The ShortName will be the value used when displaying the search provider in Explorer. In the template attribute for the first Url element, enter the URL copied previously. You will then need to convert the ampersand symbols to '&' to make them XML compliant. Finally, you'll want to switch out the search term with '{searchTerms}'. For the second Url element, you can do the same thing except you want to copy the UCM search results URL from the page of results. That URL will look something like: http://server:16200/cs/idcplg?IdcService=GET_SEARCH_RESULTS&SortField=dInDate&SortOrder=Desc&ResultCount=20&QueryText=%3Cqsch%3Eoracle%3C%2Fqsch%3E&listTemplateId= &ftx=1&SearchQueryFormat=Universal&TargetedQuickSearchSelection= &MiniSearchText=oracle Again, convert the ampersand symbols and replace the search term with '{searchTerms}'. When complete, save the file with the .osdx extension. The completed file should look like: <?xml version="1.0" encoding="UTF-8"?> <OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:ms-ose="http://schemas.microsoft.com/opensearchext/2009/"> <ShortName>Universal Content Management</ShortName> <Description>OpenSearch for UCM via Windows 7 Search Federation.</Description> <Url type="application/rss+xml" template="http://server:16200/cs/idcplg?IdcService=GET_SCS_FEED&amp;feedName=search_results&amp;QueryText=%28+%3Cqsch%3E{searchTerms}%3C%2fqsch%3E+%29&amp;SortField=dInDate&amp;SortOrder=Desc&amp;ResultCount=200&amp;SearchQueryFormat=Universal"/> <Url type="text/html" template="http://server:16200/cs/idcplg?IdcService=GET_SEARCH_RESULTS&amp;SortField=dInDate&amp;SortOrder=Desc&amp;ResultCount=20&amp;QueryText=%3Cqsch%3E{searchTerms}%3C%2Fqsch%3E&amp;listTemplateId=&amp;ftx=1&amp;SearchQueryFormat=Universal&amp;TargetedQuickSearchSelection=&amp;MiniSearchText={searchTerms}"/> </OpenSearchDescription> After you save the file, simply double-click it to create the provider. It will ask if you want to add the search connector to Windows. Click Add and it will add it to the Searches folder in your user folder as well as your Favorites. Now just click on the search icon and in the upper right search box, enter your term. As you are typing, it begins executing searches and the results will come back in Explorer. Now when you double-click on an item, it will try and download the web viewable for viewing. You also have the ability to save the search, just as you would in UCM. And there is a link to Search On Website which will launch your browser and go directly to the search results page there. And with some tweaks to the RSS component, you can make the results a bit more interesting. It supports the Media RSS standard, so you can pass along the thumbnail of the documents in the results. To enable this, edit the rss_resources.htm file in the RSS Feeds component. In the std_rss_feed_begin resource include, add the namespace 'xmlns:media="http://search.yahoo.com/mrss/' to the rss definition: <rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:media="http://search.yahoo.com/mrss/"> Next, in the rss_channel_item_with_thumb include, below the closing image element, add this element: </images> <media:thumbnail url="<$if strIndexOf(thumbnailUrl, "@t") > 0 or strIndexOf(thumbnailUrl, "@g") > 0 or strIndexOf(thumbnailUrl, "@p") > 0$><$rssHttpHost$><$thumbnailUrl$><$elseif dGif$><$HttpWebRoot$>images/docgifs/<$dGif$><$endif$>" /> <description> This and lots of other tweaks can be done to the RSS component to help extend it for optimum use in Explorer. Hopefully this can get you started. *Note: This post also applies to Universal Records Management (URM).

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  • Social Technology and the Potential for Organic Business Networks

    - by Michael Snow
    Guest Blog Post by:  Michael Fauscette, IDCThere has been a lot of discussion around the topic of social business, or social enterprise, over the last few years. The concept of applying emerging technologies from the social Web, combined with changes in processes and culture, has the potential to provide benefits across the enterprise over a wide range of operations impacting employees, customers, partners and suppliers. Companies are using social tools to build out enterprise social networks that provide, among other things, a people-centric collaborative and knowledge sharing work environment which over time can breakdown organizational silos. On the outside of the business, social technology is adding new ways to support customers, market to prospects and customers, and even support the sales process. We’re also seeing new ways of connecting partners to the business that increases collaboration and innovation. All of the new "connectivity" is, I think, leading businesses to a business model built around the concept of the network or ecosystem instead of the old "stand-by-yourself" approach. So, if you think about businesses as networks in the context of all of the other technical and cultural change factors that we're seeing in the new information economy, you can start to see that there’s a lot of potential for co-innovation and collaboration that was very difficult to arrange before. This networked business model, or what I've started to call “organic business networks,” is the business model of the information economy.The word “organic” could be confusing, but when I use it in this context, I’m thinking it has similar traits to organic computing. Organic computing is a computing system that is self-optimizing, self-healing, self-configuring, and self-protecting. More broadly, organic models are generally patterns and methods found in living systems used as a metaphor for non-living systems.Applying an organic model, organic business networks are networks that represent the interconnectedness of the emerging information business environment. Organic business networks connect people, data/information, content, and IT systems in a flexible, self-optimizing, self-healing, self-configuring, and self-protecting system. People are the primary nodes of the network, but the other nodes — data, content, and applications/systems — are no less important.A business built around the organic business network business model would incorporate the characteristics of a social business, but go beyond the basics—i.e., use social business as the operational paradigm, but also use organic business networks as the mode of operating the business. The two concepts complement each other: social business is the “what,” and the organic business network is the “how.”An organic business network lets the business work go outside of traditional organizational boundaries and become the continuously adapting implementation of an optimized business strategy. Value creation can move to the optimal point in the network, depending on strategic influencers such as the economy, market dynamics, customer behavior, prospect behavior, partner behavior and needs, supply-chain dynamics, predictive business outcomes, etc.An organic business network driven company is the antithesis of a hierarchical, rigid, reactive, process-constrained, and siloed organization. Instead, the business can adapt to changing conditions, leverage assets effectively, and thrive in a hyper-connected, global competitive, information-driven environment.To hear more on this topic – I’ll be presenting in the next webcast of the Oracle Social Business Thought Leader Webcast Series - “Organic Business Networks: Doing Business in a Hyper-Connected World” this coming Thursday, June 21, 2012, 10:00 AM PDT – Register here

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  • Tuning Default WorkManager - Advantages and Disadvantages

    - by Murali Veligeti
    Before discussing on Tuning Default WorkManager, lets have a brief introduction on What is Default WorkManger Before Weblogic Server 9.0 release, we had the concept of Execute Queues. WebLogic Server (before WLS 9.0), processing was performed in multiple execute queues. Different classes of work were executed in different queues, based on priority and ordering requirements, and to avoid deadlocks. In addition to the default execute queue, weblogic.kernel.default, there were pre-configured queues dedicated to internal administrative traffic, such as weblogic.admin.HTTP and weblogic.admin.RMI.Users could control thread usage by altering the number of threads in the default queue, or configure custom execute queues to ensure that particular applications had access to a fixed number of execute threads, regardless of overall system load. From WLS 9.0 release onwards WebLogic Server uses is a single thread pool (single thread pool which is called Default WorkManager), in which all types of work are executed. WebLogic Server prioritizes work based on rules you define, and run-time metrics, including the actual time it takes to execute a request and the rate at which requests are entering and leaving the pool.The common thread pool changes its size automatically to maximize throughput. The queue monitors throughput over time and based on history, determines whether to adjust the thread count. For example, if historical throughput statistics indicate that a higher thread count increased throughput, WebLogic increases the thread count. Similarly, if statistics indicate that fewer threads did not reduce throughput, WebLogic decreases the thread count. This new strategy makes it easier for administrators to allocate processing resources and manage performance, avoiding the effort and complexity involved in configuring, monitoring, and tuning custom executes queues. The Default WorkManager is used to handle thread management and perform self-tuning.This Work Manager is used by an application when no other Work Managers are specified in the application’s deployment descriptors. In many situations, the default Work Manager may be sufficient for most application requirements. WebLogic Server’s thread-handling algorithms assign each application its own fair share by default. Applications are given equal priority for threads and are prevented from monopolizing them. The default work-manager, as its name tells, is the work-manager defined by default.Thus, all applications deployed on WLS will use it. But sometimes, when your application is already in production, it's obvious you can't take your EAR / WAR, update the deployment descriptor(s) and redeploy it.The default work-manager belongs to a thread-pool, as initial thread-pool comes with only five threads, that's not much. If your application has to face a large number of hits, you may want to start with more than that.Well, that's quite easy. You have  two option to do so.1) Modify the config.xmlJust add the following line(s) in your server definition : <server> <name>AdminServer</name> <self-tuning-thread-pool-size-min>100</self-tuning-thread-pool-size-min> <self-tuning-thread-pool-size-max>200</self-tuning-thread-pool-size-max> [...] </server> 2) Adding some JVM parameters Add the following system property in setDomainEnv.sh/setDomainEnv.cmd or startWebLogic.sh/startWebLogic.cmd : -Dweblogic.threadpool.MinPoolSize=100 -Dweblogic.threadpool.MaxPoolSize=100 Reboot WLS and see the option has been taken into account . Disadvantage: So far its fine. But here there is an disadvantage in tuning Default WorkManager. Internally Weblogic Server has many work managers configured for different types of work.  if we run out of threads in the self-tuning pool(because of system property -Dweblogic.threadpool.MaxPoolSize) due to being undersized, then important work that WLS might need to do could be starved.  So, while limiting the self-tuning would limit the default WorkManager and internally it also limits all other internal WorkManagers which WLS uses.So the best alternative is to override the default WorkManager that means creating a WorkManager for the Application and assign the WorkManager for the application instead of tuning the Default WorkManager.

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  • Comparing Isis, Google, and Paypal

    - by David Dorf
    Back in 2010 I was sure NFC would make great strides, but here we are two years later and NFC doesn't seem to be sticking. The obvious reason being the chicken-and-egg problem.  Retailers don't want to install the terminals until the phones support NFC, and vice-versa. So consumers continue to sit on the sidelines waiting for either side to blink and make the necessary investment.  In the meantime, EMV is looking for a way to sneak into the US with the help of the card brands. There are currently three major solutions that are battling in the marketplace.  All three know that replacing mag-stripe alone is not sufficient to move consumers.  Long-term it's the offers and loyalty programs combined with tendering that make NFC attractive. NFC solutions cross lots of barriers, so a strong partner system is required.  The solutions need to include the carriers, card brands, banks, handset manufacturers, POS terminals, and most of all lots of merchants.  Lots of coordination is necessary to make the solution seamless to the consumer. Google Wallet Google's problem has always been that only the Nexus phone has an NFC chip that supports their wallet.  There are a couple of additional phones out there now, but adoption is still slow.  They acquired Zavers a while back to incorporate digital coupons, but the the bulk of their users continue to be non-NFC.  They have taken an open approach by not specifying particular payment brands.  Google is piloting in San Francisco and New York, supporting both MasterCard PayPass and stored value. I suppose the other card brands may eventually follow.  There's no cost for consumers or merchants -- Google will make money via targeted ads. Isis Not long after Google announced its wallet, AT&T, Verizon, and T-Mobile announced a joint venture called Isis.  They are in the unique position of owning the SIM in the phones they issue.  At first it seemed Isis was a vehicle for the carriers to compete with the existing card brands, but Isis later switched to a generic wallet that supports the major card brands.  Isis reportedly charges issuers a $5 fee per customer per year.  Isis will pilot this summer in Salt Lake City and Austin. PayPal PayPal, the clear winner in the online payment space beyond traditional credit cards, is trying to move into physical stores.  After negotiations with Google to provide a wallet broke off, PayPal decided to avoid NFC altogether, at least for now, and focus on payments without any physical card or phone.  By avoiding NFC, consumers don't need an NFC-enabled phone and merchants don't need a new reader.  Consumers must enter their phone number and PIN in the merchant's existing device, or they can enter their PIN in the PayPal inStore app running on their phone, then show the merchant a unique barcode which authorizes payment. Paypal is free for consumers and charges a fee for merchants.  Its not clear, at least to me, how PayPal handles fraudulent transactions and whether the consumer is protected. The wildcard is, of course, Apple.  Their mobile technologies set the standard, so incorporating NFC chips would certainly accelerate adoption of many payment solutions.  Their announcement today of the iOS Passbook is a step in the right direction, but stops short of handling payments. For those retailers that have invested in modern terminals, it seems the best strategy is to support all the emerging solutions and let the consumers choose the winner.

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  • PanelGridLayout - A Layout Revolution

    - by Duncan Mills
    With the most recent 11.1.2 patchset (11.1.2.3) there has been a lot of excitement around ADF Essentials (and rightly so), however, in all the fuss I didn't want an even more significant change to get missed - yes you read that correctly, a more significant change! I'm talking about the new panelGridLayout component, I can confidently say that this one of the most revolutionary components that we've introduced in 11g, even though it sounds rather boring. To be totally accurate, panelGrid was introduced in 11.1.2.2 but without any presence in the component palette or other design time support, so it was largely missed unless you read the release notes. However in this latest patchset it's finally front and center. Its time to explore - we (really) need to talk about layout.  Let's face it,with ADF Faces rich client, layout is a rather arcane pursuit, once you are a layout master, all bow before you, but it's more of an art than a science, and it is often, in fact, way too difficult to achieve what should (apparently) be a pretty simple. Here's a great example, it's a homework assignment I set for folks I'm teaching this stuff to:  The requirements for this layout are: The header is 80px high, the footer is 30px. These are both fixed.  The first section of the header containing the logo is 180px wide The logo is centered within the top left hand corner of the header  The title text is start aligned in the center zone of the header and will wrap if the browser window is narrowed. It should be aligned in the center of the vertical space  The about link is anchored to the right hand side of the browser with a 20px gap and again is center aligned vertically. It will move as the browser window is reduced in width. The footer has a right aligned copyright statement, again middle aligned within a 30px high footer region and with a 20px buffer to the right hand edge. It will move as the browser window is reduced in width. All remaining space is given to a central zone, which, in this case contains a panelSplitter. Expect that at some point in time you'll need a separate messages line in the center of the footer.  In the homework assigment I set I also stipulate that no inlineStyles can be used to control alignment or margins and no use of other taglibs (e.g. JSF HTML or Trinidad HTML). So, if we take this purist approach, that basic page layout (in my stock solution) requires 3 panelStretchLayouts, 5 panelGroupLayouts and 4 spacers - not including the spacer I use for the logo and the contents of the central zone splitter - phew! The point is that even a seemingly simple layout needs a bit of thinking about, particulatly when you consider strechting and browser re-size behavior. In fact, this little sample actually teaches you much of what you need to know to become vaguely competant at layouts in the framework. The underlying result of "the way things are" is that most of us reach for panelStretchLayout before even finishing the first sip of coffee as we embark on a new page design. In fact most pages you will see in any moderately complex ADF page will basically be nested panelStretchLayouts and panelGroupLayouts, sometimes many, many levels deep. So this is a problem, we've known this for some time and now we have a good solution. (I should point out that the oft-used Trinidad trh tags are not a particularly good solution as you're tie-ing yourself to an HTML table based layout in that case with a host of attendent issues in resize and bi-di behavior, but I digress.) So, tadaaa, I give to you panelGridLayout. PanelGrid, as the name suggests takes a grid like (dare I say slightly gridbag-like) approach to layout, dividing your layout into rows and colums with margins, sizing, stretch behaviour, colspans and rowspans all rolled in, all without the use of inlineStyle. As such, it provides for a much more powerful and consise way of defining a layout such as the one above that is actually simpler and much more logical to design. The basic building blocks are the panelGridLayout itself, gridRow and gridCell. Your content sits inside the cells inside the rows, all helpfully allowing both streching, valign and halign definitions without the need to nest further panelGroupLayouts. So much simpler!  If I break down the homework example above my nested comglomorate of 12 containers and spacers can be condensed down into a single panelGrid with 3 rows and 5 cell definitions (39 lines of source reduced to 24 in the case of the sample). What's more, the actual runtime representation in the browser DOM is much, much simpler, and clean, with basically one DIV per cell (Note that just because the panelGridLayout semantics looks like an HTML table does not mean that it's rendered that way!) . Another hidden benefit is the runtime cost. Because we can use a single layout to achieve much more complex geometries the client side layout code inside the browser is having to work a lot less. This will be a real benefit if your application needs to run on lower powered clients such as netbooks or tablets. So, it's time, if you're on 11.1.2.2 or above, to smile warmly at your panelStretchLayouts, wrap the blanket around it's knees and wheel it off to the Sunset Retirement Home for a well deserved rest. There's a new kid on the block and it wants to be your friend. 

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  • C-states and P-states : confounding factors for benchmarking

    - by Dave
    I was recently looking into a performance issue in the java.util.concurrent (JUC) fork-join pool framework related to particularly long latencies when trying to wake (unpark) threads in the pool. Eventually I tracked the issue down to the power & scaling governor and idle-state policies on x86. Briefly, P-states refer to the set of clock rates (speeds) at which a processor can run. C-states reflect the possible idle states. The deeper the C-state (higher numerical values) the less power the processor will draw, but the longer it takes the processor to respond and exit that sleep state on the next idle to non-idle transition. In some cases the latency can be worse than 100 microseconds. C0 is normal execution state, and P0 is "full speed" with higher Pn values reflecting reduced clock rates. C-states are P-states are orthogonal, although P-states only have meaning at C0. You could also think of the states as occupying a spectrum as follows : P0, P1, P2, Pn, C1, C2, ... Cn, where all the P-states are at C0. Our fork-join framework was calling unpark() to wake a thread from the pool, and that thread was being dispatched onto a processor at deep C-state, so we were observing rather impressive latencies between the time of the unpark and the time the thread actually resumed and was able to accept work. (I originally thought we were seeing situations where the wakee was preempting the waker, but that wasn't the case. I'll save that topic for a future blog entry). It's also worth pointing out that higher P-state values draw less power and there's usually some latency in ramping up the clock (P-states) in response to offered load. The issue of C-states and P-states isn't new and has been described at length elsewhere, but it may be new to Java programmers, adding a new confounding factor to benchmarking methodologies and procedures. To get stable results I'd recommend running at C0 and P0, particularly for server-side applications. As appropriate, disabling "turbo" mode may also be prudent. But it also makes sense to run with the system defaults to understand if your application exhibits any performance sensitivity to power management policies. The operating system power management sub-system typically control the P-state and C-states based on current and recent load. The scaling governor manages P-states. Operating systems often use adaptive policies that try to avoid deep C-states for some period if recent deep idle episodes proved to be very short and futile. This helps make the system more responsive under bursty or otherwise irregular load. But it also means the system is stateful and exhibits a memory effect, which can further complicate benchmarking. Forcing C0 + P0 should avoid this issue.

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  • Observing flow control idle time in TCP

    - by user12820842
    Previously I described how to observe congestion control strategies during transmission, and here I talked about TCP's sliding window approach for handling flow control on the receive side. A neat trick would now be to put the pieces together and ask the following question - how often is TCP transmission blocked by congestion control (send-side flow control) versus a zero-sized send window (which is the receiver saying it cannot process any more data)? So in effect we are asking whether the size of the receive window of the peer or the congestion control strategy may be sub-optimal. The result of such a problem would be that we have TCP data that we could be transmitting but we are not, potentially effecting throughput. So flow control is in effect: when the congestion window is less than or equal to the amount of bytes outstanding on the connection. We can derive this from args[3]-tcps_snxt - args[3]-tcps_suna, i.e. the difference between the next sequence number to send and the lowest unacknowledged sequence number; and when the window in the TCP segment received is advertised as 0 We time from these events until we send new data (i.e. args[4]-tcp_seq = snxt value when window closes. Here's the script: #!/usr/sbin/dtrace -s #pragma D option quiet tcp:::send / (args[3]-tcps_snxt - args[3]-tcps_suna) = args[3]-tcps_cwnd / { cwndclosed[args[1]-cs_cid] = timestamp; cwndsnxt[args[1]-cs_cid] = args[3]-tcps_snxt; @numclosed["cwnd", args[2]-ip_daddr, args[4]-tcp_dport] = count(); } tcp:::send / cwndclosed[args[1]-cs_cid] && args[4]-tcp_seq = cwndsnxt[args[1]-cs_cid] / { @meantimeclosed["cwnd", args[2]-ip_daddr, args[4]-tcp_dport] = avg(timestamp - cwndclosed[args[1]-cs_cid]); @stddevtimeclosed["cwnd", args[2]-ip_daddr, args[4]-tcp_dport] = stddev(timestamp - cwndclosed[args[1]-cs_cid]); @numclosed["cwnd", args[2]-ip_daddr, args[4]-tcp_dport] = count(); cwndclosed[args[1]-cs_cid] = 0; cwndsnxt[args[1]-cs_cid] = 0; } tcp:::receive / args[4]-tcp_window == 0 && (args[4]-tcp_flags & (TH_SYN|TH_RST|TH_FIN)) == 0 / { swndclosed[args[1]-cs_cid] = timestamp; swndsnxt[args[1]-cs_cid] = args[3]-tcps_snxt; @numclosed["swnd", args[2]-ip_saddr, args[4]-tcp_dport] = count(); } tcp:::send / swndclosed[args[1]-cs_cid] && args[4]-tcp_seq = swndsnxt[args[1]-cs_cid] / { @meantimeclosed["swnd", args[2]-ip_daddr, args[4]-tcp_sport] = avg(timestamp - swndclosed[args[1]-cs_cid]); @stddevtimeclosed["swnd", args[2]-ip_daddr, args[4]-tcp_sport] = stddev(timestamp - swndclosed[args[1]-cs_cid]); swndclosed[args[1]-cs_cid] = 0; swndsnxt[args[1]-cs_cid] = 0; } END { printf("%-6s %-20s %-8s %-25s %-8s %-8s\n", "Window", "Remote host", "Port", "TCP Avg WndClosed(ns)", "StdDev", "Num"); printa("%-6s %-20s %-8d %@-25d %@-8d %@-8d\n", @meantimeclosed, @stddevtimeclosed, @numclosed); } So this script will show us whether the peer's receive window size is preventing flow ("swnd" events) or whether congestion control is limiting flow ("cwnd" events). As an example I traced on a server with a large file transfer in progress via a webserver and with an active ssh connection running "find / -depth -print". Here is the output: ^C Window Remote host Port TCP Avg WndClosed(ns) StdDev Num cwnd 10.175.96.92 80 86064329 77311705 125 cwnd 10.175.96.92 22 122068522 151039669 81 So we see in this case, the congestion window closes 125 times for port 80 connections and 81 times for ssh. The average time the window is closed is 0.086sec for port 80 and 0.12sec for port 22. So if you wish to change congestion control algorithm in Oracle Solaris 11, a useful step may be to see if congestion really is an issue on your network. Scripts like the one posted above can help assess this, but it's worth reiterating that if congestion control is occuring, that's not necessarily a problem that needs fixing. Recall that congestion control is about controlling flow to prevent large-scale drops, so looking at congestion events in isolation doesn't tell us the whole story. For example, are we seeing more congestion events with one control algorithm, but more drops/retransmission with another? As always, it's best to start with measures of throughput and latency before arriving at a specific hypothesis such as "my congestion control algorithm is sub-optimal".

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  • ARTS Reference Model for Retail

    - by Sanjeev Sharma
    Consider a hypothetical scenario where you have been tasked to set up retail operations for a electronic goods or daily consumables or a luxury brand etc. It is very likely you will be faced with the following questions: What are the essential business capabilities that you must have in place?  What are the essential business activities under-pinning each of the business capabilities, identified in Step 1? What are the set of steps that you need to perform to execute each of the business activities, identified in Step 2? Answers to the above will drive your investments in software and hardware to enable the core retail operations. More importantly, the choices you make in responding to the above questions will several implications in the short-run and in the long-run. In the short-term, you will incur the time and cost of defining your technology requirements, procuring the software/hardware components and getting them up and running. In the long-term, as you grow in operations organically or through M&A, partnerships and franchiser business models  you will invariably need to make more technology investments to manage the greater complexity (scale and scope) of business operations.  "As new software applications, such as time & attendance, labor scheduling, and POS transactions, just to mention a few, are introduced into the store environment, it takes a disproportionate amount of time and effort to integrate them with existing store applications. These integration projects can add up to 50 percent to the time needed to implement a new software application and contribute significantly to the cost of the overall project, particularly if a systems integrator is called in. This has been the reality that all retailers have had to live with over the last two decades. The effect of the environment has not only been to increase costs, but also to limit retailers' ability to implement change and the speed with which they can do so." (excerpt taken from here) Now, one would think a lot of retailers would have already gone through the pain of finding answers to these questions, so why re-invent the wheel? Precisely so, a major effort began almost 17 years ago in the retail industry to make it less expensive and less difficult to deploy new technology in stores and at the retail enterprise level. This effort is called the Association for Retail Technology Standards (ARTS). Without standards such as those defined by ARTS, you would very likely end up experiencing the following: Increased Time and Cost due to resource wastage arising from re-inventing the wheel i.e. re-creating vanilla processes from scratch, and incurring, otherwise avoidable, mistakes and errors by ignoring experience of others Sub-optimal Process Efficiency due to narrow, isolated view of processes thereby ignoring process inter-dependencies i.e. optimizing parts but not the whole, and resulting in lack of transparency and inter-departmental finger-pointing Embracing ARTS standards as a blue-print for establishing or managing or streamlining your retail operations can benefit you in the following ways: Improved Time-to-Market from parity with industry best-practice processes e.g. ARTS, thus avoiding “reinventing the wheel” for common retail processes and focusing more on customizing processes for differentiations, and lowering integration complexity and risk with a standardized vocabulary for exchange between internal and external i.e. partner systems Lower Operating Costs by embracing the ARTS enterprise-wide process reference model for developing and streamlining retail operations holistically instead of a narrow, silo-ed view, and  procuring IT systems in compliance with ARTS thus avoiding IT budget marginalization While parity with industry standards such as ARTS business process model by itself does not create a differentiation, it does however provide a higher starting point for bridging the strategy-execution gap in setting up and improving retail operations.

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  • WebCenter Content Web Search Performance: Do you really need that folder path info?

    - by Nicolas Montoya
    End-users want content at their fingertips at the speed of thought if possible. When running search operations in the WebCenter Conter Web Interface every second or fraction of a second improvement does matter. When doing some trace analysis on the systemdatabase tracing on a customer environment, we came across some SQL queries that were unnecessarily being triggered! These were related to determining the folder path for every entry part of the search result set. However, this folder path was not even being used as part of the displayed information in the user interface.Why was the folder path information being collected when it was not even displayed in the UI? We found that the configuration parameter 'FolderPathInSearchResults' was set to 'true' under Administration > Admin Server > General Configuration > Additional Configuration Variables as shown below:When executing a quicksearch by keyword we were getting 100 out of 2280 entries in the first page of the result set.When thera 'FolderPathInSearchResults' configuration parameter is set to 'true', the following queries appear in the systemdatabase tracing:100 executions for a query on the FolderFiles table for each of the documents displayed in the first page:>systemdatabase/6       12.13 11:17:48.188      IdcServer-199   1.45 ms. SELECT * FROM FolderFiles WHERE dDocName='SLC02VGVUSORAC140641' AND fLinkRank=0[Executed. Returned row(s): true]382 executions for a query of the folders tables - most of the documents that match the keyword criteria are at a folder depth level of three or four:>systemdatabase/6       12.13 11:17:48.114      IdcServer-199   2.57 ms. SELECT FolderFolders.*,FolderMetaDefaults.* FROM FolderFolders,FolderMetaDefaults WHERE FolderFolders.fFolderGUID=FolderMetaDefaults.fFolderGUID(+) AND((FolderFolders.fFolderGUID = '1EB8E527E19B09ED3FE82EE310AEA13A' ) )[Executed.Returned row(s): true]By setting this 'FolderPathInSearchResults' configuration parameter to 'false', the above queries were no longer reported in the Server Output System Audit Information.Now, let's consider a practical scenario:Search result set page = 100Average folder depth der document in the search result set: 5The number of folder path related queries will be: 100 + 5*500 = 600If each query takes slightly over 3 ms. You would have 2000 ms (2 seconds) spent in server time to get this information.The overall performance impact goes beyond seerver time execution, as this information needs to travel from the server to the browser. If the documents are further nested into the folder hierarchy, additional hundreds of queries may be executed. If folder path is not being displayed in the end-user interface profile, your system may be better of with the 'FolderPathInSearchResults' configuration parameter disabled.

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  • No Customer Left Behind

    - by Kathryn Perry
    A guest post by David Vap, Group Vice President, Oracle Applications Product Development What does customer experience mean to you? Is it a strategy for your executives? A new buzz word and marketing term? A bunch of CRM technology with social software added on? For me, customer experience is a customer-centric worldview that produces a deeper understanding of your business and what it takes to achieve sustainable, differentiated success. It requires you to prioritize and examine the journey your customers are on with your brand, so you can answer the question, "How can we drive greater value for our business by delivering a better customer experience?" Businesses that embrace a customer-centric worldview understand their business at a much deeper level than most. They know who their customers are, what their value is, what they do, what they say, what they want, and ultimately what that means to their business. "Why Isn't Everyone Doing It?" We're all consumers who have our own experiences with many brands. Good or bad, some of those experiences stay with us. So viscerally we understand the concept of customer experience from the stories we share. One that stands out in my mind happened as I was preparing to leave for a 12-month job assignment in Europe. I wanted to put my cable television subscription on hold. I wasn't leaving for another vendor. I wasn't upset. I just had a situation where it made sense to put my $180 per month account on pause until I returned. Unfortunately, there was no way for this cable company to acknowledge that I was a loyal customer with a logical request - and to respond accordingly. So, ultimately, they lost my business. Research shows us that it costs six to seven times more to acquire a new customer than to retain an existing one. Heavily funding the efforts of getting new customers and underfunding the efforts of serving the needs of your existing (who are your greatest advocates) is a vicious and costly cycle. "Hey, These Guys Suck!" I love my Apple iPad because it's so easy to use. The explosion of these types of technologies, combined with new media channels, has raised our expectations and made us hyperaware of what's going on and what's available. In addition, social media has given us a megaphone to share experiences both positive and negative with greater impact. We are now an always-on culture that thrives on our ability to access, connect, and share anywhere anytime. If we don't get the service, product, or value we expect, it is easy to tell many people about it. We also can quickly learn where else to get what we want. Consumers have the power of influence and choice at a global scale. The businesses that understand this principle are able to leverage that power to their advantage. The ones that don't, suffer from it. Which camp are you in?Note: This is Part 1 in a three-part series. Stop back for Part 2 on November 19.

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