Re: Need help identifying a periodic performance issue. - Mailing list pgsql-performance

From Robert Creager
Subject Re: Need help identifying a periodic performance issue.
Date
Msg-id 3C5B1E23-79DE-46C7-B745-E134B6BD4610@spectralogic.com
Whole thread Raw
In response to Re: Need help identifying a periodic performance issue.  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-performance

> On Nov 18, 2021, at 2:42 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 
> This is all guesswork though, since we don't know quite what's
> happening on Robert's system.  It might be worth setting
> "log_autovacuum_min_duration = 0" (either globally, or as a
> reloption on the relevant tables), and seeing if there seems
> to be any correlation between autovacuum/autoanalyze activity
> and the occurrences of poor plan choices.

I’ve changed the log duration globally, and am also using the plan_cache_mode=force_custom_plan suggested by Justin.

Best,
Robert

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