| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Mark Wong <markw(at)osdl(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | Re: Lock partitions |
| Date: | 2006-09-12 13:34:55 |
| Message-ID: | 14982.1158068095@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> On Mon, 2006-09-11 at 11:29 -0400, Tom Lane wrote:
>> Great, thanks. The thing to twiddle is LOG2_NUM_LOCK_PARTITIONS in
>> src/include/storage/lwlock.h. You need a full backend recompile
>> after changing it, but you shouldn't need to initdb, if that helps.
> IIRC we did that already and the answer was 16...
No, no one has shown me any numbers from any "real" tests (anything
more than pgbench on a Dell PC ...).
regards, tom lane
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