Re: How to prioritise walsender reading from pg_wal over WAL writes?

From: Alexey Bashtanov <bashtanov(at)imap(dot)cc>
To: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: How to prioritise walsender reading from pg_wal over WAL writes?
Date: 2020-11-18 12:15:11
Message-ID: de2437b8-6de7-b9ce-0835-2d57e989ee30@imap.cc
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Sorry Laurenz,

My reply did not get threaded appropriately.
My original question was here:
https://www.postgresql.org/message-id/a74d5732-60fd-d18b-05fd-7b2b97099f19%40imap.cc
I'd like to prioritize walsender for replication not to lag too much.
Otherwise, when I have load spikes on master, standby lags, sometimes by
hundreds of gigabytes.

Best, Alex

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