From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
---|---|
To: | Magnus Hagander <magnus(at)hagander(dot)net> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: wal_buffers = -1 |
Date: | 2014-01-17 13:08:22 |
Message-ID: | 20140117130822.GH30206@awork2.anarazel.de |
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Thread: | |
Lists: | pgsql-hackers |
Hi,
On 2014-01-17 14:01:56 +0100, Magnus Hagander wrote:
> Is there any real use-case for not setting wal_buffers to -1 these days?
>
> Or should we just remove it and use the -1 behaviour at all times?
I have seen improvements by setting it larger than the max -1 one
value. Also, for some workloads (low latency) it can be beneficial to
have a small s_b but still have a larger wal_buffers setting.
So -1 for removing it from me.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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