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Archived Developer Articles
12 May 2011
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Keep Your DR Site in the Best Possible Condition [24175]
Use It for Application Development Testing

In the blog post "Leveraging a disaster recovery site for development -- Part 1" Amir Javanshir contends that this practice offers a testing cloud without additional costs for purchasing or deploying additional hardware while also giving access to the latest production data for testing, thus capturing the latest trends in using the application and making the DR site itself more secure. The last consideration is by no means the least, Javanshir writes, given that only when DR operations become necessary do shortcomings in the DR system itself. He says, " ... the best way to be sure that these systems are fully operational is to have them working / worked on, on a regular basis." In the forthcoming Part 2 the author promises details on how to use the Oracle Solaris Zones and ZFS technologies to setup such an architecture, at no extra cost.
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10 May 2011
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Making Sense of Parallel Programming Terms [24181]
By Susan Morgan, Revised April 2011

This article explains common parallel and multithreading concepts, and differentiates between the hardware and software aspects of parallel processing. It briefly explains the hardware architectures that make parallel processing possible. The article describes several popular parallel programming models.

  • Parallel Processing
  • Parallelism in the Hardware
  • Parallelism by Software Programming Models
  • Shared Memory Programming Models
  • Distributed Memory Programming Models
  • Hybrid Programming Models
  • Oracle Parallel Application Development Software
  • For Shared Memory Systems
  • For Distributed Memory Systems
  • Hardware and Software for Cluster and Grid

It also makes connections between parallel processing concepts and related Oracle hardware and software offerings.
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28 Mar 2011
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Open MQ 4.5 [24050]
Final Feature Update

Readers will find information on the release of Open MQ4.5 (Final), which is a minor feature update that renders the solution complete. Information of several kinds is available on the preceding link, including:

  • new features and other changes in Open MQ 4.5;
  • new features and other changes that were proposed but not implemented;
  • Open MQ 4.5 milestones;
  • tracking milestone targets that align with the master GlassFish project milestones;
  • Open MQ 4.5 binary downloads (final build);
  • and source-code downloads for 4.5. A build history is appended. Details on the dual-licensed (CDDL or GPL v2) are also provided.
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23 Mar 2011
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JDK 7 Support in NetBeans IDE 7.0: A Quick Overview [24041]
Tutorial Shows How NetBeans Can Help in Writing Code Compatible with JDK 7 Language Spec

One of the most valuable features of NetBeans IDE 7.0 is its ability to automatically fix syntax, which it does -- along with much more -- when users enable support for such JDK 7 language features as diamond operator, string in switch, and multicatch. With these features enabled, NetBeans 7.0 can assist users to write code that is compatible with the JDK 7 language specification. In the blog from entitled "JDK 7 Support in NetBeans IDE 7.0: A Quick Overview" readers will find a tutorial that shows step-by-step how to enable JDK 7 support in the IDE and illustrates how the IDE handles new language constructs.
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08 Mar 2011
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Video: 'How to Build Better Applications with Oracle Solaris DTrace' [23986]
Jim Mauro and Brendan Gregg Talk from Oracle OpenWorld

In a two-part, roughly hour-long Oracle Solaris Video, Brendan Gregg, Principal Software Engineer, and Jim Mauro, Senior Principal Software Engineer, discuss "How to Build Better Applications with Oracle Solaris DTrace." The presenters cover the same material in a downloadable pdf slide presentation that approaches the subject from four aspects: What is DTrace?; Using DTrace; Application Analysis; and USDT Probes. Concluding supplemental example slides include code for Which ZFS file?; Running zfs.d; Measuring ZFS file write latency; Time-based user-mode profile; and User stack trace for mutex_trylock () call.
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28 Feb 2011
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65 Things About Solaris Studio [23956]
A Convenient List of All the Man Pages in One Place, with Links

Since listing links to all 65 man pages on the command-line tools in Solaris Studio is well beyond the scope of System News, take our word for it that visiting the Compile My Code blog, "65 Things About Solaris Studio," where you will find all of them, is a worthwhile trip.
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