| From: | Greg Smith <greg(at)2ndQuadrant(dot)com> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Postgresql on multi-core CPU's: is this old news? |
| Date: | 2011-04-07 06:13:33 |
| Message-ID: | 4D9D560D.2090904@2ndQuadrant.com |
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| Lists: | pgsql-hackers |
On 04/05/2011 02:21 PM, Mischa Sandberg wrote:
>
> Came across the following in a paper from Oct 2010. Was wondering is
> this is old news I missed in this group.
>
> http://pdos.csail.mit.edu/papers/linux:osdi10.pdf
>
> about Linux optimization on multi-core CPU's.
>
Only a little old;
http://postgresql.1045698.n5.nabble.com/MIT-benchmarks-pgsql-multicore-up-to-48-performance-td3173545.html
shows most of the obvious comments to be made about it. There is more
detail explaining why the hand-waving done in the paper about increasing
NUM_LOCK_PARTITIONS is not a simple improvement at
http://postgresql.1045698.n5.nabble.com/Lock-partitions-td1952557.html
--
Greg Smith 2ndQuadrant US greg(at)2ndQuadrant(dot)com Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.us
"PostgreSQL 9.0 High Performance": http://www.2ndQuadrant.com/books
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