Re: Lock partitions

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Mark Wong <markw(at)osdl(dot)org>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: Lock partitions
Date: 2006-09-11 15:29:28
Message-ID: 3078.1157988568@sss.pgh.pa.us
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Mark Wong <markw(at)osdl(dot)org> writes:
> Tom Lane wrote:
>> It would be nice to see some results from the OSDL tests with, say, 4,
>> 8, and 16 lock partitions before we forget about the point though.
>> Anybody know whether OSDL is in a position to run tests for us?

> Yeah, I can run some dbt2 tests in the lab. I'll get started on it.
> We're still a little bit away from getting the automated testing for
> PostgreSQL going again though.

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.

regards, tom lane

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