Re: Very frequent "Too many clients" eventually crashes postmaster

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Abraham, Danny" <danny_abraham(at)bmc(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Very frequent "Too many clients" eventually crashes postmaster
Date: 2020-05-03 14:36:50
Message-ID: 15972.1588516610@sss.pgh.pa.us
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"Abraham, Danny" <danny_abraham(at)bmc(dot)com> writes:
> Is there a way to eliminate postmaster crash/core ?
> A surge in short-term connections eventually crashes PG on "no free slots in PMChildFlags array".

Update to a current release, maybe? We fixed a bug with symptoms like
that last fall [1].

regards, tom lane

[1] https://git.postgresql.org/gitweb/?p=postgresql.git&a=commitdiff&h=3887e9455

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