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  • With Its MySQL Database-as-a-Service CERN Empowers Scientists

    - by Bertrand Matthelié
    The European Organization for Nuclear Research (CERN) is one of the world’s largest and most respected centers for scientific research. Founded in 1954 and located near Geneva on the Franco-Swiss border, CERN was one of Europe’s first joint ventures. Today, it has 20 member states. The organization uses the world’s largest and most complex scientific instruments to study fundamental particles and the origin of the universe. Normal 0 false false false EN-US X-NONE X-NONE /* 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:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Cambria","serif"; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} Normal 0 false false false EN-US X-NONE X-NONE /* 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:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Cambria","serif"; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} Challenges Better support the scientists associated with a CERN research program who selected MySQL as their database. Empower users, enabling them to be as self-reliant as possible. Minimize complexity and costs for the CERN IT department to support the growing number of MySQL deployments. Solution Delivered a MySQL Database-as-a-Service offering to the CERN employees and the scientists associated with the organization. Allowed researchers selecting MySQL for their project to get access to a database instance hosted by the CERN IT department, either from the start or once their application has become critical. Implemented the service using Oracle’s server virtualization software, Oracle VM, for increased flexibility and reduced costs. Empowered users with a self-service approach, providing them with tools to manage MySQL themselves while handling backups and other basic database administration tasks for them. Enabled scientists to rely on MySQL with increased reliability, security and manageability while reducing complexity and minimizing costs. Normal 0 false false false EN-US X-NONE X-NONE /* 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:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Cambria","serif"; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} "The Cloud model has allowed us to deliver a self-service platform to our MySQL users, empowering them while minimizing costs for CERN." Tony Cass, Database Services Group Leader, IT department, CERN.

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  • WCF Routing Service Filter Generator

    - by Michael Stephenson
    Recently I've been working with the WCF routing service and in our case we were simply routing based on the SOAP Action. This is a pretty good approach for a standard redirection of the message when all messages matching a SOAP Action will go to the same endpoint. Using the SOAP Action also lets you be specific about which methods you expose via the router. One of the things which was a pain was the number of routing rules I needed to create because we were routing for a lot of different methods. I could have explored the option of using a regular expression to match the message to its routing but I wanted to be very specific about what's routed and not risk exposing methods I shouldn't via the router. I decided to put together a little spreadsheet so that I can generate part of the configuration I would need to put in the configuration file rather than have to type this by hand. To show how this works download the spreadsheet from the following url: https://s3.amazonaws.com/CSCBlogSamples/WCF+Routing+Generator.xlsx In the spreadsheet you will see that the squares in green are the ones which you need to amend. In the below picture you can see that you specify a prefix and suffix for the filter name. The core namespace from the web service your generating routing rules for and the WCF endpoint name which you want to route to. In column A you will see the green cells where you add the list of method names which you want to include routing rules for. The spreadsheet will workout what the full SOAP Action would be then the name you will use for that filter in your WCF Routing filters. In column D the spreadsheet will have generated the XML snippet which you can add to the routing filters section in your configuration file. In column E the spreadsheet will have created the XML snippet which you can add to the routing table to send messages matching each filter to the appropriate WCF client endpoint to forward the message to the required destination. Hopefully you can see that with this spreadsheet it would be very easy to produce accurate XML for the WCF Routing configuration if you had a large number of routing rules. If you had additional methods in other services you can simply copy the worksheet and add multiple copies to the Excel workbook. One worksheet per service would work well.

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  • Multitenant Self-Service Provisioning Anwendung

    - by Ulrike Schwinn (DBA Community)
    Oracle Multitenant ist eine neue Datenbank-Architektur, die seit Oracle Database Version 12c zur Verfügung steht. Konsolidierungen, schnelles und vereinfachtes Patchen, Provisionieren und Klonen einer Umgebung sind nur einige Vorteile, die sich aus diesem neuen Konzept ergeben können. Die Idee dahinter ist, dass sich mehrere Datenbanken nicht nur Ressourcen wie Hauptspeicher und Hintergrundprozesse teilen, sondern auch eine gemeinsame Verwaltung ("many as one") möglich ist. Oracle Multitenant ist natürlich auch eine ideale Grundlage für "Database as a Service", weil damit eine neue Datenbank in kürzester Zeit erstellt werden. Daher steht seit September auf OTN der Download einer einfachen, intuitiven Weboberfläche für Multitenant Self-Service Provisioning zur Verfügung. Was steckt dahinter? Wie funktioniert die Installation? Welche Anwendungsmöglichkeiten gibt es? Diese Fragen und weitere Informationen sind Thema des aktuellen Tipps. Mehr Informationen dazu gibt es hier.

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  • Windows 8 : réduction des redémarrages automatiques pour le service Windows Update

    Windows 8 : réduction des redémarrages automatiques après les mises à jour Mise à jour du 15/11/11 Windows 8 apportera une révision majeure du service Windows Update qui sera désormais moins intrusif, avec des redémarrages centralisés. Microsoft, sur le blog consacré à l'OS, présente les améliorations apportées au service Windows Update utilisé pour mettre à jour plus de 350 millions de PC sous Windows 7 et plus de 800 millions de dispositifs Windows en général, selon la firme. Avec Windows 8, les redémarrages pour les mises à jour seront effectués une seule fois au début de chaque mois, après la publication du Patch Tuesday qui survient le...

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  • DDD: service contains two repository

    - by tikhop
    Does it correct way to have two repository inside one service and will it be an application or domain service? Suppose I have a Passenger object that should contains Passport (government id) object. I am getting Passenger from PassengerRepository. PassengerRepository create request to server and obtain data (json) than parse received data and store inside repository. I have confused because I want to store Passport as Entity and put it to PassportRepository but all information about password contains inside json than i received above. I guess that I should create a PassengerService that will be include PassengerRepository and PassportRepository with several methods like removePassport, addPassport, getAllPassenger and etc. UPDATE: So I guess that the better way is represent Passport as VO and store all passports inside Passenger aggregate. However there is another question: Where I should put the methods (methods calls server api) for management passenger's passport. I think the better place is so within Passenger aggregate.

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  • Cloud proxying service

    - by ChristopherJ
    I have an app that mashes up images from Bing image search, it's hosted on Heroku written in rails. The app is client side in javascript, so the mashup is done on an html5 canvas - this means though that if I fetch the images direct from the Bing server, the canvas gets dirty and I can't save it. As a quick work around, i have set up a route on my rails app that simply proxies the request to Bing and passes the result back through. Obviously this is a very poor performance solution and will eat up my dynos very quickly. Can anyone suggest a more suitable option? At the moment I'm thinking maybe Amazon EC2 with apache mod_rewrite rules would be better performing and more cost effective. Is there a cloud service (or an app I could deploy to a cloud service) that would be more appropriate for proxying requests for me so that my javascript can fetch the images without dirtying the canvas?

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  • Manual Directory Submission Service a Long Way to Go But Effective

    Yes you heard it right Manual Directory Submission Service is really a long way to go but very effective for your business. In fact this is a process of registering or submitting your website with its details to an online web directory. The advantage of this listing is that when a customer needs any service or product, he will search for business on a web directory for assistance and when your expertise meet with the keywords that he typed in search bar, you website link will be visible to him and he will click that link from where he will be redirected to your website.

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  • MVC or Extract Service Layer

    - by Lizzard
    we have an application that is built with .Net MVC. We are now tasked with exposing API's to third parties. Members on our team want to just continue down our current path and just use more controllers so we can reuse the backend of our current application. Logic tells me we need to create a seperate service layer when more clients are going to be accessing it, but .Net MVC seems to take care of all of this. Is it really acceptable architecture to use controllers in a stand alone application to expose API's and what would be the potential gains of extracting the service layer out?

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  • ServiceRoute + WebServiceHostFactory kills WSDL generation? How to create extensionless WCF service

    - by Ethan J. Brown
    I'm trying to use extenionless / .svc-less WCF services. Can anyone else confirm or deny the issue I'm experiencing? I use routing in code, and do this in Application_Start of global.asax.cs: RouteTable.Routes.Add(new ServiceRoute("Data", new WebServiceHostFactory(), typeof(DataDips))); I have tested in both IIS 6 and IIS 7.5 and I can use the service just fine (ie my extensionless handler is correctly configured for ASP.NET). However, metadata generation is totally screwed up. I can hit my /mex endpoint with the WCF Test Client (and I presume svcutil.exe) -- but the ?wsdl generation you typically get with .svc is toast. I can't hit it with a browser (get 400 bad request), I can't hit it with wsdl.exe, etc. Metadata generation is configured correctly in web.config. This is a problem of course, because the service is exposed as basicHttpBinding so that an old style ASMX client can get to it. But of course, the client can't generate the proxy without a WSDL description. If I instead use serviceActivation routing in config like this, rather than registering a route in code: <serviceHostingEnvironment aspNetCompatibilityEnabled="true"> <serviceActivations> <add relativeAddress="Data.svc" service="DataDips" /> </serviceActivations> </serviceHostingEnvironment> Then voila... it works. But then I don't have a clean extensionless url. If I change relativeAddress from Data.svc to Data, then I get a configuration exception as this is not supported by config. (Must use an extension registered to WCF). I've also attempted to use this code in conjunction with the above config: RouteTable.Routes.MapPageRoute("","Data/{*data}","~/Data.svc/{*data}",false); My thinking is that I can just point the extensionless url at the configured .svc url. This doesn't work -- the /Data.svc continues to work, but /Data returns a 404. Anyone with any bright ideas?

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  • .Net Remote Log Querying

    - by jlafay
    I have a Win Service that I'm working on that consists of the service, WF Service (using WorkflowServiceHost), a Workflow (WorkflowApplication) that queries/processes data from a SQL Server DB, and a Comm Marshall class that handles data flow between the service and the WF. The WF does a lot of heavy data processing and the original app (early VB6) logged all the processing and displayed the results on the screen of the host machine. Critical events will be committed to eventlog because I strongly believe that should be common practice because admins naturally will look there and because it already has support for remote viewing. The workflow will also need to write logging events as it processes and iterates according to our business logic. Such as: records queried, records returned, processed records, etc. The data is very critical and we need to log actions as they occur. The logs are currently kept as text files on disk and I think that is ok. Ideally I would like to record log events in XML so it's easier to query and because it is less costly than a DB, especially since our DB servers do a lot of heavy processing anyways. Since we are replacing essentially a VB6 application with a robust windows service (taking advantage of WF 4.0), it has been requested that a remote client also be created. It receives callbacks from the service after subscribing to it and being added to a collection of subscribers. Basic statistics and summaries are updated client side after receiving basic monitoring data of what is going on with the service. We would like to also provide a way to provide details when we need to examine what is going on further because this is a long running data processing service and issues need to be addressed immediately. What is the best way to implement some type of query from the client that is sent to the service and returned to the client? Would it be efficient to implement another method to expose on the service and then have that pass that off to some querying class/object to examine the XML files by whichever specification and then return it to the client? That's the main concern. I don't want the service to processing to bottleneck much while this occurs. It seems that WF already auto-magically threads well for the most part but I want to make sure this is the right way to go about it. Any suggestions/recommendations on how to architect and implement a small log querying framework for a remote service would be awesome.

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  • How do I start a service which is defined in a different package?

    - by Brad Hein
    I have two apps, one runs in namespace com.gtosoft.voyager and the other is com.gtosoft.dash. From com.gtosoft.dash I would like to start up the service which is defined in com.gtosoft.voyager... I think I need an intent, but what arg(s) would I pass to the intent before kicking it off with startService()? If they were in the same package I could just use Intent svc=new Intent (SettingsActivity.this,VoyagerService.class); startService(svc); Snippet of Manifest which defines the service <application android:icon="@drawable/voyagercarlogo" android:label="@string/app_name" android:debuggable="false"> <provider android:name="com.gtosoft.voyager.VoyagerCProvider" android:authorities="com.gtosoft.voyager"/> <service android:name=".VoyagerService"/> <activity android:name=".SettingsActivity" android:label="Voyager" android:configChanges="keyboardHidden|orientation"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity>

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  • Huge burst of memory in c# service, what could be the cause?

    - by Daniel
    I'm working on a c# service application and i have this problem where out of no where and for no obvious reason, the memory for the process will climb from 150mb to almost 2gb in about 5 seconds and then back to 150mb. But nothing in our system should be using any where near that amount of memory (so its probably a bug somewhere). It might be a tight while true loop somewhere but the cpu usage at the time was very low so i thought i'd look for other ideas. Now the weirder thing is when i compile the service for 64bit, the same massive burst will occur except it exceeded 10gb of ram (paging most of it) and it just caused lots of problems with the computer and everything running on it. After a while it shuts down but it looks like windows is still willing to give it more memory. Would you have any ideas or tools that i can use in order to find this? Yes it has lots of logging however nothing in the logs stand out as to why this is happening. I can run the service in a console app mode, so my next test was going to be running it in visual studio debugger and see if i can find anything. It only happens occasionally but usually about 10-20 minutes after startup. On 32bit mode it cleans up and continues on like normally. 64bit mode it crashes after a while and uses stupid amounts of memory. But i'm really stumped as to why this is happening!!!

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