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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Soni M <diptatapa@gmail.com>
cc: pgsql-general@postgresql.org
Subject: Re: Logical Replication 08P01 invalid memory alloc request size 1095736448
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Soni M <diptatapa@gmail.com> writes:
> We just do patch updates from 15.12 to 15.13, restart Logical Master and
> then Logical Replica, and suddenly Logical replication stops working.
> Streaming replication of both are fine.

This sounds like the same bug previously discussed in

https://www.postgresql.org/message-id/flat/680bdaf6-f7d1-4536-b580-05c2760=
c67c6%40deepbluecap.com

We'll have a fix in next month's quarterly releases.  For the moment,
you could either roll back to 15.12 or cherry-pick the fix at
commit fc0fb77c5.

			regards, tom lane