[GE dev] Announcing Sun Grid Engine 6.2 Update 2 feature update release

brooks brooks at aero.org
Thu Mar 5 15:17:23 GMT 2009


On Thu, Mar 05, 2009 at 02:56:28PM +0100, andy wrote:
> jemalloc Library
> ----------------
> Linux distributions (x64 platforms) come with a default memory allocator
> library which is not as efficient as the open source jemalloc memory
> allocator library also used by the Firefox browser. SGE 6.2 Update 2
> replaces the native Linux malloc library with the jemalloc library. This has
> a positive effect on the master host performance in large and high
> throughput Sun Grid Engine clusters on Linux and reduces the memory
> footprint up to 20%. This will lead to a significant performance increase.

To give credit where it's due, jemalloc was originally written to be
the new FreeBSD malloc and became the default in 7.0.  The Firefox
team deserves credit for recognizing a good thing when they saw it and
providing testing which lead to significant improvements.

-- Brooks

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