| From: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Bernd Helmle <mailings(at)oopsware(dot)de>, "tsunakawa(dot)takay(at)fujitsu(dot)com" <tsunakawa(dot)takay(at)fujitsu(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Change default of checkpoint_completion_target |
| Date: | 2021-01-19 08:21:15 |
| Message-ID: | ba8bb5e9-8c43-11b6-eb99-ae794cd37665@enterprisedb.com |
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| Lists: | pgsql-hackers |
On 2021-01-13 23:10, Stephen Frost wrote:
>> Yes, I agree, and am involved in that thread as well- currently waiting
>> feedback from others about the proposed approach.
> I've tried to push that forward. I'm happy to update this patch once
> we've got agreement to move forward on that, to wit, adding to an
> 'obsolete' section in the documentation information about this
> particular GUC and how it's been removed due to not being sensible or
> necessary to continue to have.
Some discussion a few days ago was arguing that it was still necessary
in some cases as a way to counteract the possible lack of tuning in the
kernel flushing behavior. I think in light of that we should go with
your first patch that just changes the default, possibly with the
documentation updated a bit.
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