Re: checkpoint_segments upgrade recommendation? - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: checkpoint_segments upgrade recommendation?
Date
Msg-id 562683D0.7020309@gmx.net
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In response to Re: checkpoint_segments upgrade recommendation?  (Michael Paquier <michael.paquier@gmail.com>)
Responses Re: checkpoint_segments upgrade recommendation?  (Michael Paquier <michael.paquier@gmail.com>)
List pgsql-hackers
On 10/17/15 10:25 AM, Michael Paquier wrote:
> I think that we should just suggest a reverse formula of the maximum
> soft limit of checkpoint_segments for max_wal_size in the release notes
> of 9.5, basically:
> (3 * your_old_checkpoint_segments + 1) * 16MB = max_wal_size

How about this patch?

(Actually, I'd remove the + 1 to make the numbers come out rounder.)


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