Re: go for a script! / ex: PostgreSQL vs. MySQL - Mailing list pgsql-performance

From Bruce Momjian
Subject Re: go for a script! / ex: PostgreSQL vs. MySQL
Date
Msg-id 200310110149.h9B1n5905115@candle.pha.pa.us
Whole thread Raw
In response to Re: go for a script! / ex: PostgreSQL vs. MySQL  (Sean Chittenden <sean@chittenden.org>)
List pgsql-performance
Sean Chittenden wrote:
> > NB> So far:
> >
> > NB> shared_buffers = 1/16th of total memory
> > NB> effective_cache_size = 80% of the supposed kernel cache.
> >
> > Please take into account the blocksize compiled into PG, too...
>
> Would anyone object to a patch that exports the blocksize via a
> readonly GUC?  Too many tunables are page dependant, which is
> infuriating when copying configs from DB to DB.  I wish pgsql had some
> notion of percentages for values that end with a '%'.  -sc

Makes sense to me --- we already have some read-only GUC variables.

--
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