| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | Wes <wespvp(at)msg(dot)bt(dot)com> |
| Cc: | pgsql general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Linux v.s. Mac OS-X Performance |
| Date: | 2007-11-30 07:36:05 |
| Message-ID: | 20071130073605.GB27784@svana.org |
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| Lists: | pgsql-general |
On Thu, Nov 29, 2007 at 11:04:38PM -0600, Wes wrote:
> Regarding the various kernel bottlenecks, have there been any tests with
> Google's malloc (libtcmalloc)?
PostgreSQL has its own allocator on top of malloc already. tcmalloc is
optimised for many small allocations, whereas postgres only requests
blocks from the OS in large blocks. I doubt tcmalloc would make a
useful difference here.
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> Those who make peaceful revolution impossible will make violent revolution inevitable.
> -- John F Kennedy
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