Re: Why threads every 30 seconds? - Mailing list pgsql-general

From Tom Lane
Subject Re: Why threads every 30 seconds?
Date
Msg-id 14944.1465246070@sss.pgh.pa.us
Whole thread Raw
In response to Why threads every 30 seconds?  (Bryan Henderson <bryanh@giraffe-data.com>)
Responses Re: Why threads every 30 seconds?
List pgsql-general
Bryan Henderson <bryanh@giraffe-data.com> writes:
> Looking at audit logs, I see that my Postgresql server generates a new thread
> precisely every 30 seconds, in two series (so 4 threads every minute).  This
> is an otherwise idle server.

> Does anyone know what these threads are for?  Just curious.

Autovacuum, likely.  The rate would depend on your autovacuum_naptime
and how many active databases you have.

            regards, tom lane


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