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Feb 18th, 2013 — Feb 24th, 2013 Generate the Custom HTML Email for this Issue
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Volume 180, Issue 3 << Previous Issue | Next Issue >>
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How to Avoid Erroneous Results in Performance Testing
Some Rules of Thumb from the School of Hard Knocks
There are several rules of thumb for predicting the I/O behavior of a system that Matt Hayward has derived from his labors in the vineyard of performance testing. They are:

  • Use a real workload if possible
  • When simulating, be sure to simulate the actual application workload
  • Evaluate latencies using histograms, not averages
  • Verify your performance tests give reproducible results
  • Run tests in the same time frame as the production application, and for similar durations
  • Ensure the test data is similar to what the application will use and produce

Ignore these rules at your peril, he cautions.

MySQL 5.6 Replication: New Resources for Database Scaling and HA
More Replication Enhancements than in any Previous Release
MySQL 5.6 features the "largest set of enhancements to replication ever delivered in a single release," posts Mat Keep. These include 5x higher performance to improve consistency across a cluster and reduce the risks of data loss; self-healing clusters with automatic failover and recovery from outages or planned maintenance; assured data integrity with checksums implemented across the replication workflow; and DevOps automation. He also announces two new guides:

"MySQL Replication: An Introduction"

"MySQL Replication Tutorial: Configuration, Provisioning and Management"

Keep alerts users to an upcoming live webinar in March on what's new in MySQL 5.6 replication.

MySQL Workbench 5.2.46 GA Released
Includes MySQL Utilities 1.2.0
The MySQL Workbench Tool is now available in version 5.2.46, Alfredo Kojima posts, adding that MySQL Utilities 1.2.0 have been included on the distro. Kojima provides a convenient link to the release notes. He includes a download link as well to MySQL Workbench, noting its availability for Windows, Mac OS X and Linux. And he provides links to the documentation for both Workbench and Utilities.
Cloud Computing
In Touch (February 2013): Spotlight on Cloud
Survey of Oracle's Partner Cloud Program
In the February 2013 issue of Oracle EMEA Partner News Julien Haye surveys the five programs comprised in Oracle's Partner Cloud Program, " ... the most comprehensive in the industry," according to Christian von Stengel, Senior Director Application & SaaS Strategy & Sales, Oracle EMEA Alliances & Channels, enabling partners to decide how they engage, the ability to increase competitiveness, and the opportunity to deliver Cloud solutions designed to meet customers’ needs, von Stengel adds. The elements of the program are:

  • Referral Cloud Program

  • Resell Cloud Program
  • Rapid Start Program

  • Cloud Builder Specialization

  • Platform as a Service Program
Oracle and Linux Foundation Partnership Growing Stronger
Podcasts Feature Jim Zemlin, Linux Foundation Executive Director with Monica Kumar
In a pair of podcasts, Monica Kumar, Senior Director Product Marketing at Oracle, and Jim Zemlin, Executive Director of the Linux Foundation, discuss the collaboration between Oracle and the Linux Foundation. As one of the largest users of Linux, Oracle contributes to a variety of ongoing projects, conducting hundreds of hours of testing activity directed to Linux modifications. When Oracle introduces a product, Zemlin comments, it simultaneously submits any changes to the kernel to the community. Oracle has always been supportive of the role the foundation plays as a neutral enabler of a community dedicated to the improvement of Linux, he reports.
Provisioning Oracle Exalogic: What's Involved
Life Made Easier for the SysAdmin

Provisioning Exalogic, designed as a multi-tenant environment in which many applications and user communities operate in secure isolation while running on a shared compute infrastructure, is simply a case of re-configuring existing shared resources, Jules Lane writes in the Oracle white paper "Managing Oracle Engineered Systems -- Exalogic (Physical): Administration Tasks and Tools,". Rick Ramsey reviews the steps that are typically part of provisioning Exalogic as they involve storage, compute nodes, and network -- all done without physical cabling and with network configuration defined at the software level in a matter of hours.

SPARC T4 Digest and Crypto Optimizations in Solaris 11.1
RSA, DSA, and DES-3 Crypto Algorithms Added
In his post "SPARC T4 Digest and Crypto Optimizations in Solaris 11.1" Dan Anderson discusses the T4 optimization for SHA-2, SHA-1, and MD5 digest algorithms. In addition he notes the inclusion in Solaris 11.1 of T4 optimization for RSA, DSA, and DES-3 crypto algorithms. He points out that the AES optimizations were introduced in Solaris 11 in 2011, while the SHA-1, SHA-256, SHA-384, SHA512, and MD5 optimizations are available in Solaris 11 SRU2 and Solaris 11.1. The RSA, DSA, and SHA-224 optimizations are available in Solaris 11.1. He includes links in his post to downloads of both Oracle Solaris source code and object code.
Sun Tape
Oracle's StorageTek Tape Products Capture Awards, Media Attention
Industry Recognition, Market Gains Reflect Product Family Excellence
The media attention garnered by the recent successes of the Oracle StorageTek product line is reviewed in a post by Chris Ilg, Senior Principal Product Marketing Director with Oracle Storage Product Marketing. In December, the StorageTek SL150 Modular Tape Library won Best Business Storage Product at the V3 Technology Awards, and in January was named a finalist in Storage Magazine/Search Storage’s 2012 Products of the Year Awards. A further achievement was Oracle’s StorageTek brand's recognition by Storage Visions as Visionary Media and Entertainment Storage Company for advances in storage for digital archiving and preservation.
Top Ten Articles for last few Issues
Vol 180 Issue 1, 2; Vol 179 Issues 1, 2, 3, 4 and 5; Vol 178 Issue 4
We track how frequently each article is viewed on the web site to determine which the readers consider the most important. For last week, the top 10 articles were:

  • Rick Hetherington on the SPARC T5
  • Oracle Solaris 10 1/13 -- What's New
  • Time for Change: Optimizing Datacenter Infrastructure with Technology Refresh
  • Network Virtualization and Network Resource Management
  • Big Data Appliance X3-2 Updates
  • Oracle Launches ZFS Backup for Oracle Engineered Systems Expert Center
  • Examining Oracle Solaris 10 1/13 Secure Copy Performance for High Latency Networks
  • Oracle Delivers Unique Value with Oracle Solaris: IDC White Paper
  • Evaluating and Comparing Oracle Database Appliance Performance
  • Oracle IaaS with Capacity on Demand Enables Users to Pay for Capacity as Needed

The longer version of this article has list of top ten articles for the last 8 weeks.

    The Document Foundation Announces LibreOffice 4.0
    Immediate Download Is Available
    LibreOffice is now available in version 4.0, to which, The Document Foundation reports, " ... several million lines of code have been added and removed, by adding new features, solving bugs and regressions, adopting state of the art C++ constructs, replacing tools, getting rid of deprecated methods and obsoleted libraries, and translating twenty five thousand lines of comments from German to English." Overall excellent backwards compatibility is retained for legacy extensions, but moving forward TDF is committed to a more pro-active approach to evolving the UNO APIs, with more functionality to be deprecated and eventually dropped. LibreOffice 4.0 is available for immediate download.
    Five Perspectives on Virtual Networks
    Several Aspects of Virtual Network Creation

    Rick Ramsey has gathered five posts on virtual networks by various hands with the intent of making it easier for users to decide which type of virtual network to create. The posts are:

    • "How Networking Works in Virtual Box" by the Fat Bloke

    • "Evaluating Oracle Solaris 11 from Inside Oracle VM Virtual Box" by Yuli Vasiliev

    • "Looking Under the Hood at Networking in Oracle VM Server for x86" by Greg King and Suzanne Zorn

    • "Which Tool Should I Use to Manage Which Virtualization Technology?" by Ginny Henningsen

    Oracle Secure Global Desktop Helps Airbus Reduce Length of Flight Testing Program
    Single Sign-on Gives 100 Users Simultaneous Access to Test Data
    Airbus connects its 52,000 employees in France, Germany, the U.K., and Spain, with 1,500 suppliers in 30 countries worldwide using Oracle Secure Global Desktop 4.6. Monica Kumar posts that the secure, real-time access to test results during flight trials frees technical teams from the need to travel to the company’s center in Toulouse, and gives experts the ability to evaluate results immediately. Oracle Secure Global Desktop enables approximately 100 end-users to simultaneously access test data from server-based and server-hosted environments with secure, single sign-on technology, reducing test-flight program length and enabling engineers to request retesting while aircraft are still in the air.
    Java Technology
    JavaOne 2012 Videos Posted on OracleLearning YouTube Channel
    An Anthology of More than 450 Videos
    Now, for the convenience of those of you who missed JavaOne 2012, more than 450 JavaOne videos have been made available on the Oracle Learning Library's YouTube channel. The videos feature such subjects as conference presentations, birds-of-a-feather events, and tutorials. The videos are sorted in playlists by the session tracks, in a total of 7 tracks that include Java EE Web Profile and Platform Technologies; Emerging Languages on the JVM; Development Tools and Techniques; Core Java Platform; and Enterprise Manager 12c: Reporting with BI Publisher
    Java Spotlight Episode 121: Kirk Pepperdine on System Performance Tuning @javaperftuning
    Veteran of Performance Tuning on Cray Big Iron Brings Java Expertise to Bear on the Subject
    Kirk Pepperdine has been working in high performance and distributed computing for nearly 20 years with a focus on architecting, developing, and tuning applications running on Cray and other high performance computing platforms. Now specializing in Java and working in all aspects of performance and tuning in each phase of a project life cycle, Kirk joins host Roger Brinkley on Java Spotlight, Episode 121 for a discussion of performance tuning.
    NetBeans IDE 7.3 now in GA
    Offers Improved Support for the Java Platform
    NetBeans IDE 7.3, featuring advanced HTML5, JavaScript and CSS development capabilities, is now in GA. Oracle's press release reports 7.3 improves support for the Java platform with feature enhancements including hints and refactorings in the editor and improved support for editing FXML layout files in JavaFX projects. Among the other improvements in NetBans IDE 7.3 are Code completion support for jQuery; support for responsive Web design-based applications; CSS Styling support and code completion for new CSS3 rules; live code and Web page synchronization facilitated by deep bi-directional integration with Google Chrome and the internal WebKit-based browser; and JavaScript client generation from existing Java REST services.
    BAE Systems Maritime  Submarines Division Implements Oracle Enterprise Single Sign-On
    Achieves Secure Access, Regulatory Compliance with Oracle Solution
    BAE Systems Maritime – Submarines division implemented Oracle Enterprise Single Sign-On Suite to enable secure, simplified access for its 93,500 employees who require access for designing and building submarines over a 20-year lifecycle. The implementation allowed BAE Systems to secure user access to critical systems and enforce segregation of duties, Tanu Sood reports. Improved user efficiency resulted as did reduced service-desk requests by eliminating the need for employees to remember 20 to 30 passwords. The company was able to better manage regulatory issues by requiring a single source of truth to determine user access. Sood provides a link to a case study of the implementation.
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