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From: Tom Lane <tgl@sss.pgh.pa.us>
To: tvijlbrief@gmail.com
cc: pgsql-bugs@lists.postgresql.org,
        Tomas Vondra <tomas.vondra@2ndquadrant.com>
Subject: Re: BUG #16694: Server hangs in 100% CPU loop when decompressing a
 specific TOAST Postgis linestring
In-reply-to: <543595.1604267856@sss.pgh.pa.us>
References: <16694-f107871e499ec114@postgresql.org>
 <543595.1604267856@sss.pgh.pa.us>
Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
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> PG Bug reporting form <noreply@postgresql.org> writes:
>> This looks to me like a low level issue with Postgres13 and TOAST objec=
ts of
>> a specific size and or compression behavior. =


After looking at it some more, I'm pretty sure that these issues could
explain your problem, though it's possible there's an additional
contributing issue.  If you're in a position to apply a patch and
see whether it fixes the problem, please try

https://git.postgresql.org/gitweb/?p=3Dpostgresql.git;a=3Dpatch;h=3D2330f4=
d3a87ac43b6ecd31bfd698384888ed03cb

			regards, tom lane