Re: [LI] SGI Linux enhancements

[Archan Paul <archanp@xxxxxxxxxxx>]

Hi Rosh,
I don't know whether u know this guy or not. Raj is based in Delhi and
is with SGI (india). U can make contact with this guy. I am bit known to
him.

Archan


Raj Mathur wrote:
> 
> SGI Releases Technology to Form Foundation for Enterprise-Class Linux
> Applications
> 
> Released Technology Increases Linux Database Performance; Development
> Tools Help Facilitate Linux Kernel Development
> 
> MOUNTAIN VIEW, CA (Dec. 9, 1999) -- Leading the charge to bring
> enterprise-class capabilities to the Linux® operating system, SGI
> (NYSE: SGI) today announced its recent release of several performance
> technology features to the Open Source Software community.
> Additionally, SGITM has released tools to enable Linux developers to
> greatly simplify the process for resolving bugs in enterprise Linux
> installations.
> 
> Access to these features and tools forms the foundation of an
> enterprise-class platform for accelerating the availability of Linux
> database applications sought by industry-leading vendors.
> 
>     "SGI is committed to helping Linux evolve to meet the
>     challenges presented by today's computing market," said
>     Jan Silverman, vice president, Computer Systems Business
>     Unit, SGI. "Offering this level of technology enhancements
>     makes Linux more attractive to developers and end users
>     and leads to a stronger, more capable operating system."
> 
> Powerful Performance Enhancers
> 
> To facilitate optimizing database performance on enterprise-class
> Linux systems, recently released SGI technology includes support for
> database machines with large disk farms and efficient, parallel access
> to I/O. These features are based upon the company's industry-leading
> experience and expertise in developing large multiprocessor machines.
> 
> The key performance-enhancing components are:
> 
> Parallelization of the I/O path. The entire I/O path has been
> optimized to enable simultaneous requests to be executed independently
> on a multiprocessor. These optimizations make it possible for large
> numbers of disks to be kept active.
> 
> POSIX-compliant Asynchronous I/O Interfaces. These new interfaces
> allow an application to issue multiple I/O requests in parallel to
> ensure maximum throughput from large numbers of disks typically
> attached to database installations.
> 
> Direct Access to Disks. Databases frequently lay their data out
> directly on disks to avoid the overhead of filesystems. SGI has
> enhanced the existing raw I/O implementation in Linux (originally
> developed by Stephen Tweedie of Red Hat) to allow I/O requests to be
> handled in parallel on multiprocessors. Also, the data can be
> read/written directly to the user address space, without the need for
> data copying.
> 
> Improved Kernel Support and Development Tools
> 
> SGI has leveraged its considerable experience in developing and
> supporting multiprocessor UNIX® systems to provide a large number of
> tools to help accelerate the development of Linux and to efficiently
> diagnose problems at customer sites. These tools include the
> following:
> 
> Linux Kernel Crash Dump. LCRASH enables the kernel to save the memory
> image to disk in the case of system failure. New tools enable later
> analysis of the cause, thus minimizing system downtime. While this is
> a normal customer expectation for commercial UNIX systems, this is new
> for Linux.
> 
> Built-in Kernel Debugger. The KDB tool greatly eases and thus
> accelerates Linux kernel development. KDB provides many of the
> debugging facilities (breakpoints, back trace, single step, etc.)
> considered fundamental to application development, but until now
> unavailable to Linux kernel developers.
> 
> Kernel GNU Debugger. The KGDB extension to the kernel allows
> source-level debugging of one Linux system from another over a serial
> line or Ethernet using the standard debugger.
> 
> Performance analysis tools. SGI has added numerous performance
> analysis tools, including kernel profiling, lock metering and kernel
> event tracing. These tools greatly enhance the process of identifying
> the causes of performance problems in the kernel.
> 
> Instant Availability
> 
> All of the technology features and development tools, in addition to
> details on the full release, are readily available by downloading from
> http://oss.sgi.com/projects/sgilinux11/.
> 
> About SGI
> 
> SGI provides a broad range of high-performance computing and advanced
> graphics solutions that enable customers to understand and conquer
> their toughest computing problems. Headquartered in Mountain View,
> Calif., with offices worldwide, the company is located on the Web at
> www.sgi.com.
> 
> SGI and the SGI logo are trademarks of Silicon Graphics, Inc. Linux is a
> registered trademark of Linus Torvalds. UNIX is a registered trademark in the
> U.S. and other countries licensed exclusively through X/Open Company Limited.
> All other trademarks mentioned herein are the property of their respective
> owners.
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