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Archived Software Articles
05 Mar 2010
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How Service Domain Manager Works [22849]
Sun Grid Engine 6.2ut Add-on Manages Shared Resources

The nature and functions of Service Domain Manager (SDM), an add-on component for Sun Grid Engine 6.2u5, are described in DanT's GridBlog. He writes that SDM is designed to allow for services of all types to share resources with each other. He explains that each cluster has a set of performance metrics specified via service level objectives (SLOs). If at any point a cluster is in violation of its SLOs, it appeals to the SDM resource provider service for additional resources. The resource provider will look for resources wherever they're available and, finding them, will re-assign the resources to the cluster in need.
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22 Feb 2010
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Oracle Rebrands Solaris and Associated Products [22854]
Oracle Solaris Becomes the Company's Strategic Enterprise Platform

Rebranding has begun for Sun products. One of note is the Solaris Operating System, which now reads as Oracle Solaris. This name change filters down to associated products such as Sun Studio, which now is officially called the Oracle Solaris Studio. In regards to Oracle Solaris, Barbara Darrow with SearchEnterpriseLinux.com, identifies it as Oracle's new high-end data center appliances running the Oracle software stack, while Vijay Tatkar discusses the newly named Oracle Solaris Studio.
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19 Feb 2010
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Using Sun Directory Server Enterprise Edition or OpenDS with Compressed Data [22786]
The Impact on Disk Space Usage

The benefits of having compact entries in the database are available today with Sun Directory Server Enterprise Edition 7 and Sun OpenDS Standard Edition 2.2, writes Ludovic Poitou in his blog "Sun Directory Compresses Data for Better Performance," adding that both solutions are helping customers to reduce the overall cost of ownership of the directory services.
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12 Feb 2010
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Topology-aware Scheduling in Sun Grid Engine [22784]
Upgrade 5 Adds Valuable Capability for CPU Scheduling

The benefits of building topology-aware scheduling into Sun Grid Engine 6.2 update 5 are explained in a blog entry by Dan Templeton. Given that an average OS does context switches at a rather high frequency, an application may find itself executing on a different CPU and core every time it gets the chance to run. If that application makes any use of the CPU cache, for example, its performance will suffer for it. The performance might not suffer much, but the difference is usually measurable. Hence, the virtues of topology-aware scheduling.
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11 Feb 2010
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Sun OpenDS Standard Edition 2.2 [22770]
Updated Core Directory Server, Significant Improvements in Read/Write Performance

Sun OpenDS Standard Edition (SE) 2.2 provides improvement to the core directory server as well as a new proxy server capability to manage requests between LDAP client applications and remote LDAP servers (either Sun OpenDS SE 2.2 or Sun Directory Server Enterprise Edition (DSEE) 7.0). It also includes a web-based "Namefinder" lookup sample application to browse users in the Directory.
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05 Feb 2010
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Veritas Volume Manager and File System Now Supported on SPARC and X64 Platforms [22777]
With Solaris Cluster 3.2 11/09 and 3.2 1/09

Get support for the latest version of selected Veritas Storage Foundation software components with Solaris Cluster. Veritas Volume Manager and File System, part of Veritas Storage Foundation 5.1, are now supported on SPARC and X64 platforms with Solaris Cluster 3.2 11/09 and 3.2 1/09. Veritas Volume Manager (VxVM) 5.1 Cluster Functionality (CVM) is supported on SPARC only.
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