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Re: PostgreSQL strugling during high load

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Mindaugas Riauba" <mind(at)bi(dot)lt>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: PostgreSQL strugling during high load
Date: 2005-05-13 13:42:43
Message-ID: 23217.1115991763@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
"Mindaugas Riauba" <mind(at)bi(dot)lt> writes:
> ... So contents of database changes very fast. Problem is that when
> pg_autovacuum does vacuum those changes slows down too much.

The "vacuum cost" parameters can be adjusted to make vacuums fired
by pg_autovacuum less of a burden.  I haven't got any specific numbers
to suggest, but perhaps someone else does.

			regards, tom lane

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