Horton

Re: Linux v.s. Mac OS-X Performance

Martijn van Oosterhout <kleptog@svana.org>

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From: Martijn van Oosterhout <kleptog@svana.org>
To: Wes <wespvp@msg.bt.com>
Cc: pgsql general <pgsql-general@postgresql.org>
Date: 2007-11-30T07:36:05Z
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@svana.org>   http://svana.org/kleptog/
> Those who make peaceful revolution impossible will make violent revolution inevitable.
>  -- John F Kennedy