Re: High COMMIT times - Mailing list pgsql-performance

From Jeff Janes
Subject Re: High COMMIT times
Date
Msg-id CAMkU=1xGdg8nv+N1OyD+8XTxPg94za9e6KiLmSP4ZqKMNTH0Qw@mail.gmail.com
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In response to High COMMIT times  (Don Seiler <don@seiler.us>)
Responses Re: High COMMIT times
List pgsql-performance


On Wed, Jan 6, 2021 at 11:19 AM Don Seiler <don@seiler.us> wrote:
Good morning,

This week we've noticed that we're starting to see spikes where COMMITs are taking much longer than usual. Sometimes, quite a few seconds to finish. After a few minutes they disappear but then return seemingly at random. This becomes visible to the app and end user as a big stall in activity.
 
How are you monitoring the COMMIT times?  What do you generally see in pg_stat_activity.wait_event during the spikes/stalls?

Cheers,

Jeff

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