Remove lower limit on checkpoint_timeout?

From: Andres Freund <andres(at)anarazel(dot)de>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Remove lower limit on checkpoint_timeout?
Date: 2016-12-23 10:50:00
Message-ID: 20161223105000.by7c3lx6f7zfd6th@alap3.anarazel.de
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Hi,

for testing - like yesterday's 6ef2eba3f - it's annoying that
checkpoint_timeout has 30s minimum. I've now locally patched that to be
1s a significant number of times.

While it's not a particularly good idea to set it to 1s on a production
system, I don't see why we need to prevent that. It's not like 30s is
likely to be a good idea either.

Hence I'd like to set the lower limit to 1s.

Comments?

Andres

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