Patroni permanent replication slots

From: Paul Förster <paul(dot)foerster(at)gmail(dot)com>
To: pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Patroni permanent replication slots
Date: 2020-03-12 17:21:58
Message-ID: 6EE91B97-EAA0-4948-9BDC-E24B80C119DE@gmail.com
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Hi,

I know, this is not 100% a question that belongs here but I hope to get help anyway.

I have Patroni 1.6.4 and found in the 1.6.3 the possibility to define permanent replication slots. This seems to work fine in Patroni 1.6.4.

But where I would REALLY need it with Patroni 1.3.x and Patroni 1.6.0 because I have NO chance to get newer versions there. :-(

Does anybody know if this feature already works on 1.3.x or 1.6.0? My chances to test that are very limited.

And yes, we already have wal_keep_segments = 1000 which is more than ugly and still provides no 100% guarantee that no WAL gets deleted prematurely.

Cheers,
Paul

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