Wayne Beaver <wa...@acedsl.com> writes:
> Running Pg 8.3RC2, Linux server, w/8GB RAM, OpenSuSE 10.2 OS (yes, I
> know that's old). I have seen *really* long-running autovacs eating up
> system resources. While the below is not an example of *really* long,
> it shows how I killed an autovac which had been running for more than
> 10 minutes, then ran a VAC FULL ANALYZE on same exact table in about
> ~2 min. Any wisdom here? Attributable to autovac_worker settings?
autovacuum_vacuum_cost_delay. Is the slow autovac *really* eating
a noticeable amount of system resources? I would think that a full
speed manual vacuum would be a lot worse.
regards, tom lane
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