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  • Schema objects not visible in SQL Server Management Studio 2008

    - by Germ
    I'm experiencing a weird problem with a SQL login. When I connect to the server in Microsoft SQL Server Management Studio (2008) using this account, I cannot see any of the tables, stored procedures etc. that this account should have access to on a particular database. When I connect to the same server within Visual Studio (2008) with the same account everything is there. When I connect with the same account on a Virtual Machine everything is there. I've also had a co-worker connect to the server using the same login and he's able to view everything as well. I use Microsoft SQL Server Management Studio all day connecting to different servers and databases and I've never experienced this problem. Does anyone have any suggestions on how I can diagnose this problem? I've checked to make sure I don't have any Table filters etc. There's several database on this server and I'm able to see the correct tables that this account has access to in the other databases just fine. Running this query lists the tables I'm expecting to see. SELECT * FROM INFORMATION_SCHEMA.TABLES

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  • Application log aggregation, management and notifications...

    - by Matthew Savage
    I'm wondering what everyone is using for logging, log management and log aggregation on their systems. I am working in a company which uses .NET for all it's applications and all systems are Windows based. Currently each application looks after its own logging and notifications of failures (e.g. if app A fails it will send out its own 'call for help' to an admin). While this current practice works its a bit hacky and hard to manage. I've been trying to find some options for making this work better and I've come up with the following: log4net & Chainsaw (ah, if it works). Logging via log4net or another framework into a central database & rolling our own management tool. Logging to the Windows event log and using MOM or System Center Operations Manager to aggregate and manage each of these servers & their apps. A hand-rolled solution to suck all the log files into one point and work some magic across them. Essentially what we are after is something which can pull log entries all together and allow for some analytics to be run across them, plus use a kind of event based system to, for example, send out a warning email when there have been 30+ warning level logs for an application in the last x minutes. So is there anything I've missed, or something someone else can suggest?

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  • Objective-C Getter Memory Management

    - by Marian André
    I'm fairly new to Objective-C and am not sure how to correctly deal with memory management in the following scenario: I have a Core Data Entity with a to-many relationship for the key "children". In order to access the children as an array, sorted by the column "position", I wrote the model class this way: @interface AbstractItem : NSManagedObject { NSArray * arrangedChildren; } @property (nonatomic, retain) NSSet * children; @property (nonatomic, retain) NSNumber * position; @property (nonatomic, retain) NSArray * arrangedChildren; @end @implementation AbstractItem @dynamic children; @dynamic position; @synthesize arrangedChildren; - (NSArray*)arrangedChildren { NSArray* unarrangedChildren = [[self.children allObjects] retain]; NSSortDescriptor* sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"position" ascending:YES]; [arrangedChildren release]; arrangedChildren = [unarrangedChildren sortedArrayUsingDescriptors:[NSArray arrayWithObject:sortDescriptor]]; [sortDescriptor release]; [unarrangedChildren release]; return [arrangedChildren retain]; } @end I'm not sure whether or not to retain unarrangedChildren and the returned arrangedChildren (first and last line of the arrangedChildren getter). Does the NSSet allObjects method already return a retained array? It's probably too late and I have a coffee overdose. I'd be really thankful if someone could point me in the right direction. I guess I'm missing vital parts of memory management knowledge and I will definitely look into it thoroughly.

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  • Intel MKL memory management and exceptions

    - by Andrew
    Hello everyone, I am trying out Intel MKL and it appears that they have their own memory management (C-style). They suggest using their MKL_malloc/MKL_free pairs for vectors and matrices and I do not know what is a good way to handle it. One of the reasons for that is that memory-alignment is recommended to be at least 16-byte and with these routines it is specified explicitly. I used to rely on auto_ptr and boost::smart_ptr a lot to forget about memory clean-ups. How can I write an exception-safe program with MKL memory management or should I just use regular auto_ptr's and not bother? Thanks in advance. EDIT http://software.intel.com/sites/products/documentation/hpc/mkl/win/index.htm this link may explain why I brought up the question UPDATE I used an idea from the answer below for allocator. This is what I have now: template <typename T, size_t TALIGN=16, size_t TBLOCK=4> class aligned_allocator : public std::allocator<T> { public: pointer allocate(size_type n, const void *hint) { pointer p = NULL; size_t count = sizeof(T) * n; size_t count_left = count % TBLOCK; if( count_left != 0 ) count += TBLOCK - count_left; if ( !hint ) p = reinterpret_cast<pointer>(MKL_malloc (count,TALIGN)); else p = reinterpret_cast<pointer>(MKL_realloc((void*)hint,count,TALIGN)); return p; } void deallocate(pointer p, size_type n){ MKL_free(p); } }; If anybody has any suggestions, feel free to make it better.

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  • Memory management of objects returned by methods (iOS / Objective-C)

    - by iOSNewb
    I am learning Objective-C and iOS programming through the terrific iTunesU course posted by Stanford (http://www.stanford.edu/class/cs193p/cgi-bin/drupal/) Assignment 2 is to create a calculator with variable buttons. The chain of commands (e.g. 3+x-y) is stored in a NSMutableArray as "anExpression", and then we sub in random values for x and y based on an NSDictionary to get a solution. This part of the assignment is tripping me up: The final two [methods] “convert” anExpression to/from a property list: + (id)propertyListForExpression:(id)anExpression; + (id)expressionForPropertyList:(id)propertyList; You’ll remember from lecture that a property list is just any combination of NSArray, NSDictionary, NSString, NSNumber, etc., so why do we even need this method since anExpression is already a property list? (Since the expressions we build are NSMutableArrays that contain only NSString and NSNumber objects, they are, indeed, already property lists.) Well, because the caller of our API has no idea that anExpression is a property list. That’s an internal implementation detail we have chosen not to expose to callers. Even so, you may think, the implementation of these two methods is easy because anExpression is already a property list so we can just return the argument right back, right? Well, yes and no. The memory management on this one is a bit tricky. We’ll leave it up to you to figure out. Give it your best shot. Obviously, I am missing something with respect to memory management because I don't see why I can't just return the passed arguments right back. Thanks in advance for any answers!

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  • Project management software, available options

    - by canni
    Hey, sorry for posting this here, I know that this question better suites into SuperUser, but I would like to know answers from developers point of view. I have been using Indefero for project management etc. for some time, but I found that Indefero limitations are too big for my team. I'm searching project-management software that best suites this needs: Open-Source, but I can consider commercial apps GIT integration is mandatory, best if it can support multiple repos per project Time-tracking, good if it can have Gannt chart connected with issues etc. Issue, milestone, task tracking Good if it can be integrated with Gitosis, or have similar repository access control It must have an option, to setup on our own server Markdown syntax support is mandatory (or easy way to install plugin for this etc.) Issue tagging will be and advantage It will be used by developers team by 99% of time, but it has to have some simple interface, that clients can fill up bug reports etc. per project. It does not have to fill all this needs, but good if it can :) What options do You know, and can recommend?

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  • Hive metadata permission issue

    - by Chandramohan
    We are getting this error on Hive, while creating a DB / table hive> CREATE TABLE pokes (foo INT, bar STRING); FAILED: Error in metadata: javax.jdo.JDOFatalDataStoreException: Cannot get a connection, pool error Could not create a validated object, cause: A read-only user or a user in a read-only database is not permitted to disable read-only mode on a connection. NestedThrowables: org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool error Could not create a validated object, cause: A read-only user or a user in a read-only database is not permitted to disable read-only mode on a connection. FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask Hive log : org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool error Could not create a validated object, cause: A read-only user or a user in a read-only database is not permitted to disable read-only mode on a connection. at org.datanucleus.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:298) at org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:601) at org.datanucleus.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:286) at org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:182) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at javax.jdo.JDOHelper$16.run(JDOHelper.java:1958) at java.security.AccessController.doPrivileged(Native Method) at javax.jdo.JDOHelper.invoke(JDOHelper.java:1953) at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1159) at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:803) at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:698) at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:234) at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:261) at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:196) at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:171) at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62) at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:354) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.executeWithRetry(HiveMetaStore.java:306) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:451) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:232) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:197) at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:108) at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:1868) at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:1878) at org.apache.hadoop.hive.ql.metadata.Hive.createTable(Hive.java:470) ... 15 more Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool error Could not create a validated object, cause: A read-only user or a user in a read-only database is not permitted to disable read-only mode on a connection. at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:114) at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:521) at org.datanucleus.store.rdbms.RDBMSStoreManager.<init>(RDBMSStoreManager.java:290) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:588) at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300) at org.datanucleus.ObjectManagerFactoryImpl.initialiseStoreManager(ObjectManagerFactoryImpl.java:161) at org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:583) ... 42 more Caused by: java.util.NoSuchElementException: Could not create a validated object, cause: A read-only user or a user in a read-only database is not permitted to disable read-only mode on a connection. at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1191) at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106) ... 52 more 2011-08-11 18:02:36,964 ERROR ql.Driver (SessionState.java:printError(343)) - FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask

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  • Shouldn't storage classes be taught early in a C class or book?

    - by Adam Mendoza
    Shouldn't storage classes be taught early in a C class or book? I notice that a lot of books, even some of the better ones, covert it toward and end of the book and some books just add it as an appendix. I would teach it together with variables. This is so foundational and I think unfortunately many do not make it that far in a book. Now that auto has a different meaning (vs being optional) it may confuse people that didn't realize it has always been there. for example: C Programming: A Modern Approach 18.2 Storage Classes 401 Properties of Variables 401 The auto Storage Class 402 The static Storage Class 403 The extern Storage Class 404 The register Storage Class 405 The Storage Class of a Function 406 Summary 407

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  • A Patent for Workload Management Based on Service Level Objectives

    - by jsavit
    I'm very pleased to announce that after a tiny :-) wait of about 5 years, my patent application for a workload manager was finally approved. Background Many operating systems have a resource manager which lets you control machine resources. For example, Solaris provides controls for CPU with several options: shares for proportional CPU allocation. If you have twice as many shares as me, and we are competing for CPU, you'll get about twice as many CPU cycles), dedicated CPU allocation in which a number of CPUs are exclusively dedicated to an application's use. You can say that a zone or project "owns" 8 CPUs on a 32 CPU machine, for example. And, capped CPU in which you specify the upper bound, or cap, of how much CPU an application gets. For example, you can throttle an application to 0.125 of a CPU. (This isn't meant to be an exhaustive list of Solaris RM controls.) Workload management Useful as that is (and tragic that some other operating systems have little resource management and isolation, and frighten people into running only 1 app per OS instance - and wastefully size every server for the peak workload it might experience) that's not really workload management. With resource management one controls the resources, and hope that's enough to meet application service objectives. In fact, we hold resource distribution constant, see if that was good enough, and adjust resource distribution if that didn't meet service level objectives. Here's an example of what happens today: Let's try 30% dedicated CPU. Not enough? Let's try 80% Oh, that's too much, and we're achieving much better response time than the objective, but other workloads are starving. Let's back that off and try again. It's not the process I object to - it's that we to often do this manually. Worse, we sometimes identify and adjust the wrong resource and fiddle with that to no useful result. Back in my days as a customer managing large systems, one of my users would call me up to beg for a "CPU boost": Me: "it won't make any difference - there's plenty of spare CPU to be had, and your application is completely I/O bound." User: "Please do it anyway." Me: "oh, all right, but it won't do you any good." (I did, because he was a friend, but it didn't help.) Prior art There are some operating environments that take a stab about workload management (rather than resource management) but I find them lacking. I know of one that uses synthetic "service units" composed of the sum of CPU, I/O and memory allocations multiplied by weighting factors. A workload is set to make a target rate of service units consumed per second. But this seems to be missing a key point: what is the relationship between artificial 'service units' and actually meeting a throughput or response time objective? What if I get plenty of one of the components (so am getting enough service units), but not enough of the resource whose needed to remove the bottleneck? Actual workload management That's not really the answer either. What is needed is to specify a workload's service levels in terms of externally visible metrics that are meaningful to a business, such as response times or transactions per second, and have the workload manager figure out which resources are not being adequately provided, and then adjust it as needed. If an application is not meeting its service level objectives and the reason is that it's not getting enough CPU cycles, adjust its CPU resource accordingly. If the reason is that the application isn't getting enough RAM to keep its working set in memory, then adjust its RAM assignment appropriately so it stops swapping. Simple idea, but that's a task we keep dumping on system administrators. In other words - don't hold the number of CPU shares constant and watch the achievement of service level vary. Instead, hold the service level constant, and dynamically adjust the number of CPU shares (or amount of other resources like RAM or I/O bandwidth) in order to meet the objective. Instrumenting non-instrumented applications There's one little problem here: how do I measure application performance in a way relating to a service level. I don't want to do it based on internal resources like number of CPU seconds it received per minute - We need to make resource decisions based on externally visible and meaningful measures of performance, not synthetic items or internal resource counters. If I have a way of marking the beginning and end of a transaction, I can then measure whether or not the application is meeting an objective based on it. If I can observe the delay factors for an application, I can see which resource shortages are slowing an application enough to keep it from meeting its objectives. I can then adjust resource allocations to relieve those shortages. Fortunately, Solaris provides facilities for both marking application progress and determining what factors cause application latency. The Solaris DTrace facility let's me introspect on application behavior: in particular I can see events like "receive a web hit" and "respond to that web hit" so I can get transaction rate and response time. DTrace (and tools like prstat) let me see where latency is being added to an application, so I know which resource to adjust. Summary After a delay of a mere few years, I am the proud creator of a patent (advice to anyone interested in going through the process: don't hold your breath!). The fundamental idea is fairly simple: instead of holding resource constant and suffering variable levels of success meeting service level objectives, properly characterise the service level objective in meaningful terms, instrument the application to see if it's meeting the objective, and then have a workload manager change resource allocations to remove delays preventing service level attainment. I've done it by hand for a long time - I think that's what a computer should do for me.

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  • My company's management wants to deduct from the salary of under performing employees. How can I convince them not to?

    - by Sparky
    My company's management wants to deduct from the salary of under performing employees. I'm a member of the Core Strategy committee and they want my opinion also. I believe that the throughput from an employee depends on a lot of things such as the particular work assigned to them, other members of his/her team, other reasons etc. Such penalizations will be demoralizing to the people. How can I convince my management not to do so?

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  • Thread Management Object

    - by Gusdor
    I feel rather foolish as this is just a short question. I was reading about a bunch of thread management helper classes in .net, specifically one that aids the storage of threads to help a service manager object automatically invoke delegates onto the subscribing thread. I'm pretty sure it had something to do with creating dispatchers. Totally forgotten the name, can't find it :( Anyone know what I'm talking about?

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  • Providing high availability and failover using MySQL on EC2

    - by crb
    I would like to have a highly-available MySQL system, with automatic failover, running on Amazon EC2 instances. The standard approach to solving this is problem Heartbeat + DRBD, but I've found a lot of posts suggesting DRBD doesn't work on EC2, though none saying exactly why. Obviously, a serial heartbeat or distinct network is out of the question in the virtualised environment. It would also be good to have the different servers be in different availability zones, but we're getting into a much harder problem there. What are peoples' opinion on having a high uptime solution in "the cloud"? Note: This question was asked before RDS with multi-AZ was announced, which is the nice automatic answer for today's modern IT professional. :)

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  • What's the best project management software for internal dev. 5 man shop

    - by P.Brian.Mackey
    I work for a large corporation, but we do small intranet web application development. Our project management tracking sucks. Its custom software built by a jr. intern. For what its worth, our development style is akin to agile, but there's nothing set in stone...very customer oriented approach. I need project tracking that meets the criteria: Intranet, internal products. Mostly maintenance, some new development. 5 developers 12 products 1 hands-off manager. He really just wants to know estimated man hours, due date for dev, QA and release. Along with a short description of the project. Free or super cheap. Bonus Simple pretty UI. Think pretty charts. Hope I covered everything. Please ask for any clarification. If you read dreaming in code, the company uses some project tracking software that sounds pretty sweet. Note, we do have Team Foundation Server. I already tried pushing its use as PM tracking, but its too complicated. I can't get people to sit and train. So this software has to be easy.

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  • Automatic TRIM vs. manual TRIM

    - by Eike Cochu
    I am currently trying to find out how to trim with my new TP and was wondering about the difference of manual/online trimming. Here is my setup: ThinkPad T430s with SSD Samsung 830, 128GB and Xubuntu 12.10, here are some outputs to check if trim will work on my system (got these from here: http://wiki.ubuntuusers.de/SSD/TRIM) root@eike-tp:~# sudo hdparm -I /dev/sda | grep -i TRIM * Data Set Management TRIM supported (limit 8 blocks) First, I tried the online trimming: How to enable TRIM? my fstab with discard inserted: UUID=d6c49c17-a4f1-466c-9f7e-896c20db3bba / ext4 discard,noatime,errors=remount-ro 0 1 # swap was on /dev/sda5 during installation UUID=a0322f5f-c6c1-4896-863f-668f0638d8cf none swap sw 0 0 tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0 I tried to test if it works (but I don't get any zeroes when I try it with /dev/sda), but found out that this method is only possible with SSD type 2 and I seem to have type 3. So I don't know if it works or not. The Ubuntuwiki (first link) recommends manual trimming, so I set up a daily cronjob instead of discard: #!/bin/sh LOG=/var/log/batched_discard.log echo "*** $(date -R) ***" >> $LOG fstrim -v / >> $LOG the wiki article suggests weekly or daily. Now to my questions: How often executes the automated trim? How often is recommended? Online vs. manual trimming? Thank you for your help

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  • NEW! Oracle Unified Business Process Management Specialization!

    - by michaela.seika(at)oracle.com
    Be one of the very first to become an Oracle Unified Business Process Management Specialist! Check out the Oracle Unified Business Process Management Knowledge Zone and go to the Specialization criteria to learn how you can become an BPM Specialized Partner. Pass the following assessment tests and exam to meet the competency criteria: · Oracle Unified Business Process Management Suite 11g Sales Specialist · Oracle Unified Business Process Management Suite 11g PreSales Specialist Assessment · Oracle Unified Business Process Management Suite 11g Essentials (1Z1-560) Exam Go to the OPN Competency Center to access the Specialist Guided Leaning Paths and Boot Camp to get the product information that can help you pass the tests: · Oracle Unified Business Process Management 11g Sales Specialist GLP · Oracle Unified Business Process Management 11g PreSales Specialist GLP · Oracle Unified Business Process Management 11g Implementation Specialist GLP · Oracle Unified Business Process Management Suite 11g Implementation Boot Camp Oracle Unified Business Process Management Suite 11g Essentials (1Z1-560) Exam is available in beta testing. Pass the exam to become an Oracle Unified Business Process Management Certified Implementation Specialist! As an incentive we are offering FREE beta exam vouchers to early-adopter Partners. As there are a limited number of free vouchers available, the requests will be processed on a first-come, first-served basis. To request a voucher send an e-mail to: [email protected] specifying the exam name, and your contact information: name, job role, and company name. Register for the OU beta exam at the nearest Pearson VUE testing center. For More Information Oracle Certification Program Beta Exams OPN Certified Specialist exams OPN Certified Specialist FAQ

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  • Splitting a tetris game apart - where to put time-management?

    - by nightcracker
    I am creating a tetris game in C++ & SDL, and I'm trying to do it "good" by making it object-oriented and keeping scopes small. So far I have the following structure: A main with some lowlevel SDL set up and handling input A game class that keeps track of score and provides the interface for main (move block down, etc) A map class that keeps track of the current game field, which blocks are where. Used by the game class. A block class that consists of the current falling block, used by game. A renderer class abstracting low level SDL to a format where you render "tetris blocks". Used by map and block. Now I have a though time where to place the time-management of this game. For example, where should be decided when a block bumps the bottom of the screen how long it takes the current block locks in place and a new block spawns? I also have an other unrelated question, is there some place where you can find some standard data on tetris like standard score tables, rulesets, timings, etc?

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  • What are the memory-management capabilities of MySQL + JDBC (in light of autonomic computing)?

    - by Adel
    I'm interested in implementing some kind of autonomic-computing functionality using MySQL. By autonomic-computing I mean roughly some failsafe abilities, whereby the application appears to be at least slightly "intelligent" For reference, the main parts of autonomic computing we'd like are the "self-configuring" and "self-healing" features (the other two - "self-optimizing" and "self-protecting", are too abstract/futuristic for us, at this time). Sofor example, if we have a sample Java application that utilizes a MySQL database, we might want to automatically restart the MySQL database if we take up too much memory. Or maybe we want to have the ability to dynamiccally adjust the database memory as needed. So for example, when we start the application the database begins with a 56 Megabyte buffer; but then as we insert so many rows we want to have it automatically jump up to 512 MB, then to 1024, until a max of 4096 MB. Does all of the above suggest that MySQL is too "weak" for the task? Do you suggest using Oracle database? My professor believes that by using Java we can basically make up for any memory-management deficiencies that MySQL has in relation to Oracle DB. I'm new to MySQL , but have experience with Oracle. If all of the above sounds wishy-washy, it is because I'm still fleshing it out. thanks

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  • Focus on Social Relationship Management at Oracle OpenWorld

    - by Pat Ma
    v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} 0 0 1 422 2408 involver 20 5 2825 14.0 Normal 0 false false false false EN-US JA 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-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} Greetings from Oracle OpenWorld 2012. Today, we’re going to focus on Social Relationship Management at Oracle OpenWorld.?Social networking is touching all businesses today.  Customers are speaking about your brand right now on social media sites. Your employees are speaking to one another on social media sites. In an Oracle survey, 40% of consumers factor in Facebook recommendations when making purchasing decisions. Despite the rise of social networking, 70% of marketers report having little understanding of social media conversations happening around their brand. Oracle has invested in technologies that will help companies leverage social media technologies for their enterprise. Our suite of social products is collectively known as Social Relationship Management. Customers are using Social Relationship Management to get analytics to social media conversations around their brand, manage multiple social media channels while keeping their brand consistent, optimize internal workflows and processes, and create better customer relationships and experiences. In this example, using Social Relationship Management, a high-end national grocery chain is able to see that “Coconut Water” is trending in San Francisco. They are now able to send a $2-off coconut water coupon to shoppers who have checked into their San Francisco locations. This promotion further drives sales of coconut water in San Francisco. In another example, using Social Relationship Management, a technology company creates multiple Facebook pages and runs campaigns on them. These social campaigns are now integrated and tracked as another marketing channel in Oracle Fusion CRM. The technology company can now track and respond to a particular customer as he moves across multiple channels – without having to restart the conversation each time the customer contacts the company. Furthermore, the technology company can see in one interface what marketing channels – including social – is performing best for each promotion. Besides being a Software-as-a-Service solution, social is also a Platform-as-a-Service solution. The benefit here is that customers can extend the functionality of our social applications to suit their particular needs or create their own social application from scratch. During the Social Developer track, developers are learning how to use Java and other industry-standard programming languages to plug in social functionality to enterprise applications. To see how Social Relationship Management can help your business build better relationships and experience with customers, visit us on the web at oracle.com/social. There are a lot more social-oriented sessions left at OpenWorld. To view a schedule of the upcoming social-oriented sessions, go here.

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  • Running OpenStack Icehouse with ZFS Storage Appliance

    - by Ronen Kofman
    Couple of months ago Oracle announced the support for OpenStack Cinder plugin with ZFS Storage Appliance (aka ZFSSA).  With our recent release of the Icehouse tech preview I thought it is a good opportunity to demonstrate the ZFSSA plugin working with Icehouse. One thing that helps a lot to get started with ZFSSA is that it has a VirtualBox simulator. This simulator allows users to try out the appliance’s features before getting to a real box. Users can test the functionality and design an environment even before they have a real appliance which makes the deployment process much more efficient. With OpenStack this is especially nice because having a simulator on the other end allows us to test the complete set of the Cinder plugin and check the entire integration on a single server or even a laptop. Let’s see how this works Installing and Configuring the Simulator To get started we first need to download the simulator, the simulator is available here, unzip it and it is ready to be imported to VirtualBox. If you do not already have VirtualBox installed you can download it from here according to your platform of choice. To import the simulator go to VirtualBox console File -> Import Appliance , navigate to the location of the simulator and import the virtual machine. When opening the virtual machine you will need to make the following changes: - Network – by default the network is “Host Only” , the user needs to change that to “Bridged” so the VM can connect to the network and be accessible. - Memory (optional) – the VM comes with a default of 2560MB which may be fine but if you have more memory that could not hurt, in my case I decided to give it 8192 - vCPU (optional) – the default the VM comes with 1 vCPU, I decided to change it to two, you are welcome to do so too. And here is how the VM looks like: Start the VM, when the boot process completes we will need to change the root password and the simulator is running and ready to go. Now that the simulator is up and running we can access simulated appliance using the URL https://<IP or DNS name>:215/, the IP is showing on the virtual machine console. At this stage we will need to configure the appliance, in my case I did not change any of the default (in other words pressed ‘commit’ several times) and the simulated appliance was configured and ready to go. We will need to enable REST access otherwise Cinder will not be able to call the appliance we do that in Configuration->Services and at the end of the page there is ‘REST’ button, enable it. If you are a more advanced user you can set additional features in the appliance but for the purpose of this demo this is sufficient. One final step will be to create a pool, go to Configuration -> Storage and add a pool as shown below the pool is named “default”: The simulator is now running, configured and ready for action. Configuring Cinder Back to OpenStack, I have a multi node deployment which we created according to the “Getting Started with Oracle VM, Oracle Linux and OpenStack” guide using Icehouse tech preview release. Now we need to install and configure the ZFSSA Cinder plugin using the README file. In short the steps are as follows: 1. Copy the file from here to the control node and place them at: /usr/lib/python2.6/site-packages/cinder/volume/drivers/zfssa 2. Configure the plugin, editing /etc/cinder/cinder.conf # Driver to use for volume creation (string value) #volume_driver=cinder.volume.drivers.lvm.LVMISCSIDriver volume_driver=cinder.volume.drivers.zfssa.zfssaiscsi.ZFSSAISCSIDriver zfssa_host = <HOST IP> zfssa_auth_user = root zfssa_auth_password = <ROOT PASSWORD> zfssa_pool = default zfssa_target_portal = <HOST IP>:3260 zfssa_project = test zfssa_initiator_group = default zfssa_target_interfaces = e1000g0 3. Restart the cinder-volume service: service openstack-cinder-volume restart 4. Look into the log file, this will tell us if everything works well so far. If you see any errors fix them before continuing. 5. Install iscsi-initiator-utils package, this is important since the plugin uses iscsi commands from this package: yum install -y iscsi-initiator-utils The installation and configuration are very simple, we do not need to have a “project” in the ZFSSA but we do need to define a pool. Creating and Using Volumes in OpenStack We are now ready to work, to get started lets create a volume in OpenStack and see it showing up on the simulator: #  cinder create 2 --display-name my-volume-1 +---------------------+--------------------------------------+ |       Property      |                Value                 | +---------------------+--------------------------------------+ |     attachments     |                  []                  | |  availability_zone  |                 nova                 | |       bootable      |                false                 | |      created_at     |      2014-08-12T04:24:37.806752      | | display_description |                 None                 | |     display_name    |             my-volume-1              | |      encrypted      |                False                 | |          id         | df67c447-9a36-4887-a8ff-74178d5d06ee | |       metadata      |                  {}                  | |         size        |                  2                   | |     snapshot_id     |                 None                 | |     source_volid    |                 None                 | |        status       |               creating               | |     volume_type     |                 None                 | +---------------------+--------------------------------------+ In the simulator: Extending the volume to 5G: # cinder extend df67c447-9a36-4887-a8ff-74178d5d06ee 5 In the simulator: Creating templates using Cinder Volumes By default OpenStack supports ephemeral storage where an image is copied into the run area during instance launch and deleted when the instance is terminated. With Cinder we can create persistent storage and launch instances from a Cinder volume. Booting from volume has several advantages, one of the main advantages of booting from volumes is speed. No matter how large the volume is the launch operation is immediate there is no copying of an image to a run areas, an operation which can take a long time when using ephemeral storage (depending on image size). In this deployment we have a Glance image of Oracle Linux 6.5, I would like to make it into a volume which I can boot from. When creating a volume from an image we actually “download” the image into the volume and making the volume bootable, this process can take some time depending on the image size, during the download we will see the following status: # cinder create --image-id 487a0731-599a-499e-b0e2-5d9b20201f0f --display-name ol65 2 # cinder list +--------------------------------------+-------------+--------------+------+-------------+ |                  ID                  |    Status   | Display Name | Size | Volume Type | … +--------------------------------------+-------------+--------------+------+------------- | df67c447-9a36-4887-a8ff-74178d5d06ee |  available  | my-volume-1  |  5   |     None    | … | f61702b6-4204-4f10-8bdf-7da792f15c28 | downloading |     ol65     |  2   |     None    | … +--------------------------------------+-------------+--------------+------+-------------+ After the download is complete we will see that the volume status changed to “available” and that the bootable state is “true”. We can use this new volume to boot an instance from or we can use it as a template. Cinder can create a volume from another volume and ZFSSA can replicate volumes instantly in the back end. The result is an efficient template model where users can spawn an instance from a “template” instantly even if the template is very large in size. Let’s try replicating the bootable volume with the Oracle Linux 6.5 on it creating additional 3 bootable volumes: # cinder create 2 --source-volid f61702b6-4204-4f10-8bdf-7da792f15c28 --display-name ol65-bootable-1 # cinder create 2 --source-volid f61702b6-4204-4f10-8bdf-7da792f15c28 --display-name ol65-bootable-2 # cinder create 2 --source-volid f61702b6-4204-4f10-8bdf-7da792f15c28 --display-name ol65-bootable-3 # cinder list +--------------------------------------+-----------+-----------------+------+-------------+----------+-------------+ |                  ID                  |   Status  |   Display Name  | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-----------------+------+-------------+----------+-------------+ | 9bfe0deb-b9c7-4d97-8522-1354fc533c26 | available | ol65-bootable-2 |  2   |     None    |   true   |             | | a311a855-6fb8-472d-b091-4d9703ef6b9a | available | ol65-bootable-1 |  2   |     None    |   true   |             | | df67c447-9a36-4887-a8ff-74178d5d06ee | available |   my-volume-1   |  5   |     None    |  false   |             | | e7fbd2eb-e726-452b-9a88-b5eee0736175 | available | ol65-bootable-3 |  2   |     None    |   true   |             | | f61702b6-4204-4f10-8bdf-7da792f15c28 | available |       ol65      |  2   |     None    |   true   |             | +--------------------------------------+-----------+-----------------+------+-------------+----------+-------------+ Note that the creation of those 3 volume was almost immediate, no need to download or copy, ZFSSA takes care of the volume copy for us. Start 3 instances: # nova boot --boot-volume a311a855-6fb8-472d-b091-4d9703ef6b9a --flavor m1.tiny ol65-instance-1 --nic net-id=25b19746-3aea-4236-8193-4c6284e76eca # nova boot --boot-volume 9bfe0deb-b9c7-4d97-8522-1354fc533c26 --flavor m1.tiny ol65-instance-2 --nic net-id=25b19746-3aea-4236-8193-4c6284e76eca # nova boot --boot-volume e7fbd2eb-e726-452b-9a88-b5eee0736175 --flavor m1.tiny ol65-instance-3 --nic net-id=25b19746-3aea-4236-8193-4c6284e76eca Instantly replicating volumes is a very powerful feature, especially for large templates. The ZFSSA Cinder plugin allows us to take advantage of this feature of ZFSSA. By offloading some of the operations to the array OpenStack create a highly efficient environment where persistent volume can be instantly created from a template. That’s all for now, with this environment you can continue to test ZFSSA with OpenStack and when you are ready for the real appliance the operations will look the same. @RonenKofman

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  • vmware player xorg driver broke after ubuntu 12.04 LTS automatic system update on 06/07/2014

    - by user291828
    I am running Ubuntu 12.04 LTS as a virtual machine on a Windows 7 host using vmware player 6.0.2. On Sat. 06/07/2014, Ubuntu performed an automatic system update as it does regularly, however after reboot, the display driver seems to be broken which causes the screen to split into many identical panels. This pretty much rendered the VM unusable. Below is the log entry for that update from /var/log/apt/history.log It appears that at least one of these updates have caused this problem. The exact same problem has been reported on the vmware forum as well, see https://communities.vmware.com/message/2388776#2388776 So far I have not been able so find a solution. Content in /var/log/apt/history.log Start-Date: 2014-06-07 15:04:46 Commandline: aptdaemon role='role-commit-packages' sender=':1.65' Install: linux-headers-3.2.0-64:amd64 (3.2.0-64.97), linux-image-3.2.0-64-generic:amd64 (3.2.0-64.97), linux-headers-3.2.0-64-generic:amd64 (3.2.0-64.97) Upgrade: iproute:amd64 (20111117-1ubuntu2.1, 20111117-1ubuntu2.3), libknewstuff3-4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdeclarative5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libnepomukquery4a:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libgnutls-openssl27:amd64 (2.12.14-5ubuntu3.7, 2.12.14-5ubuntu3.8), libthreadweaver4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdecore5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libnepomukutils4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libktexteditor4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), linux-generic:amd64 (3.2.0.63.75, 3.2.0.64.76), libkmediaplayer4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkrosscore4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libgnutls26:amd64 (2.12.14-5ubuntu3.7, 2.12.14-5ubuntu3.8), libgnutls26:i386 (2.12.14-5ubuntu3.7, 2.12.14-5ubuntu3.8), libsolid4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libnepomuk4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdnssd4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkparts4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), kdoctools:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libssl-dev:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), libssl-doc:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), libkidletime4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), linux-headers-generic:amd64 (3.2.0.63.75, 3.2.0.64.76), linux-image-generic:amd64 (3.2.0.63.75, 3.2.0.64.76), libkcmutils4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkfile4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkpty4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkntlm4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libplasma3:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkemoticons4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), kdelibs-bin:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdewebkit5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkjsembed4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkio5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkjsapi4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), openssl:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), kdelibs5-data:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), linux-libc-dev:amd64 (3.2.0-63.95, 3.2.0-64.97), libkde3support4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libknotifyconfig4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), kdelibs5-plugins:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkhtml5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdeui5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdesu5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libssl1.0.0:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), libssl1.0.0:i386 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14) End-Date: 2014-06-07 15:09:08

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  • LUKOIL Overseas Holding Optimizes Oil Field Development Projects with Integrated Project Management

    - by Melissa Centurio Lopes
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; 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;} LUKOIL Overseas Group is a growing oil and gas company that is an integral part of the vertically integrated oil company OAO LUKOIL. It is engaged in the exploration, acquisition, integration, and efficient development of oil and gas fields outside the Russian Federation to promote transforming LUKOIL into a transnational energy company. In 2010, the company signed a 20-year development project for the giant, West Qurna 2 oil field in Iraq. Executing 10,000 to 15,000 project activities simultaneously on 14 major construction and drilling projects in Iraq for the West Qurna-2 project meant the company needed a clear picture, in real time, of dependencies between its capital construction, geologic exploration and sinking projects—required for its building infrastructure oil field development projects in Iraq. LUKOIL Overseas Holding deployed Oracle’s Primavera P6 Enterprise Project Portfolio Management to generate structured project management information and optimize planning, monitoring, and analysis of all engineering and commercial activities—such as tenders, and bulk procurement of materials and equipment—related to oil field development projects. A word from LUKOIL Overseas Holding Ltd. “Previously, we created project schedules on desktop computers and uploaded them to the project server to be merged into one big file for each project participant to access. This was not scalable, as we’ve grown and now run up to 15,000 activities in numerous projects and subprojects at any time. With Oracle’s Primavera P6 Enterprise Project Portfolio Management, we can now work concurrently on projects with many team members, enjoy absolute security, and issue new baselines for all projects and project participants once a week, with ease.” – Sergey Kotov, Head of IT and the Communication Office, LUKOIL Mid-East Ltd. Oracle Primavera Solutions: · Facilitated managing dependencies between projects by enabling the general scheduler to reschedule all projects and subprojects once a week, realigning 10,000 to 15,000 project activities that the company runs at any time · Replaced Microsoft Project and a paper-based system with a complete solution that provides structured project data · Enhanced data security by establishing project management security policies that enable only authorized project members to edit their project tasks, while enabling each project participant to view all project data that are relevant to that individual’s task · Enabled the company to monitor project progress in comparison to the projected plan, based on physical project assets to determine if each project is on track to conclude within its time and budget limitations To view the full list of solutions view here. “Oracle Gold Partner Parma Telecom was key to our successful Primavera deployment, implementing the software’s basic functionalities, such as project content, timeframes management, and cost management, in addition to performing its integration with our enterprise resource planning system and intranet portal within ten months and in accordance with budgets,” said Rafik Baynazarov, head of the master planning and control office, LUKOIL Mid-East Ltd. “ To read the full version of the customer success story, please view here.

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  • ZFS/Btrfs/LVM2-like storage with advanced features on Linux?

    - by Easter Sunshine
    I have 3 identical internal 7200 RPM SATA hard disk drives on a Linux machine. I'm looking for a storage set-up that will give me all of this: Different data sets (filesystems or subtrees) can have different RAID levels so I can choose performance, space overhead, and risk trade-offs differently for different data sets while having a few number of physical disks (very important data can be 3xRAID1, important data can be 3xRAID5, unimportant reproducible data can be 3xRAID0). If each data set has an explicit size or size limit, then the ability to grow and shrink the size limit (offline if need be) Avoid out-of-kernel modules R/W or read-only COW snapshots. If it's a block-level snapshots, the filesystem should be synced and quiesced during a snapshot. Ability to add physical disks and then grow/redistribute RAID1, RAID5, and RAID0 volumes to take advantage of the new spindle and make sure no spindle is hotter than the rest (e.g., in NetApp, growing a RAID-DP raid group by a few disks will not balance the I/O across them without an explicit redistribution) Not required but nice-to-haves: Transparent compression, per-file or subtree. Even better if, like NetApps, analyzes the data first for compressibility and only compresses compressible data Deduplication that doesn't have huge performance penalties or require obscene amounts of memory (NetApp does scheduled deduplication on weekends, which is good) Resistance to silent data corruption like ZFS (this is not required because I have never seen ZFS report any data corruption on these specific disks) Storage tiering, either automatic (based on caching rules) or user-defined rules (yes, I have all-identical disks now but this will let me add a read/write SSD cache in the future). If it's user-defined rules, these rules should have the ability to promote to SSD on a file level and not a block level. Space-efficient packing of small files I tried ZFS on Linux but the limitations were: Upgrading is additional work because the package is in an external repository and is tied to specific kernel versions; it is not integrated with the package manager Write IOPS does not scale with number of devices in a raidz vdev. Cannot add disks to raidz vdevs Cannot have select data on RAID0 to reduce overhead and improve performance without additional physical disks or giving ZFS a single partition of the disks ext4 on LVM2 looks like an option except I can't tell whether I can shrink, extend, and redistribute onto new spindles RAID-type logical volumes (of course, I can experiment with LVM on a bunch of files). As far as I can tell, it doesn't have any of the nice-to-haves so I was wondering if there is something better out there. I did look at LVM dangers and caveats but then again, no system is perfect.

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  • Is it possible to map a network path to any cloud storage hosts?

    - by Frantumn
    I use Microsoft SkyDrive and Google Drive. I was wondering if it was possible to map to a folder on a cloud service via FTP or something similar? I don't see any obvious ways on Google, or SkyDrive web sites. I know they each have their custom applications to access the cloud storage files. But my network admins block traffic on those applications. So I was looking for another way to access the files (not through the web site either).

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  • Windows - CPU power management APIs

    - by iulianchira
    What APIs are provided by Windows for CPU power management (I'm interested in CPU frequency scaling, setting min and max CPU frequency - similar to what you can do in Control Panel in power plans, but in a programmatic way). I'm also interested in .Net APIs.

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