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List:       postgresql-general
Subject:    Re: Max connections reached without max connections reached
From:       James Sewell <james.sewell () jirotech ! com>
Date:       2021-11-29 23:45:59
Message-ID: CAANVwEts8MVyS-RJKCPVAGG+xEJZaxSJraMoVzU4KNt_7YimSQ () mail ! gmail ! com
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>
> How did you verify that, maybe some process started IO and stuck
> there? Can we check pg_stat_activity that is there some process that
> shows in the wait event as SLRURead/SLRUWrite and not coming out of
> that state?


There are no interesting entries in pg_stat_activity, and no wait events of
those types DURING the problem periods (I poll this every 15s) .

It's an odd one.

- James

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[Attachment #3 (text/html)]

<div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" \
style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex">How did you verify that, maybe some process \
started IO and stuck<br> there? Can we check pg_stat_activity that is there some \
process that<br> shows in the wait event as SLRURead/SLRUWrite and not coming out \
of<br> that state?</blockquote><div><br></div><div>There are no interesting entries \
in pg_stat_activity, and no wait events of those types DURING the problem periods (I \
poll this every 15s) .</div><div><br></div><div>It&#39;s an odd \
one.</div><div><br></div><div>- James</div></div></div>

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