Re: data_checksums enabled by default (was: Move --data-checksums to common options in initdb --help)

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От Andres Freund
Тема Re: data_checksums enabled by default (was: Move --data-checksums to common options in initdb --help)
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Msg-id 20210106185627.77z2dxn2z25bei7a@alap3.anarazel.de
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Ответ на Re: data_checksums enabled by default (was: Move --data-checksums to common options in initdb --help)  (Stephen Frost <sfrost@snowman.net>)
Ответы Re: data_checksums enabled by default (was: Move --data-checksums to common options in initdb --help)  (Stephen Frost <sfrost@snowman.net>)
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Hi,

On 2021-01-06 13:01:59 -0500, Stephen Frost wrote:
> * Andres Freund (andres@anarazel.de) wrote:
> > > imv, enabling page checksums is akin to having fsync enabled by default.
> > > Does it impact performance?  Yes, surely quite a lot, but it's also the
> > > safe and sane choice when it comes to defaults.
> > 
> > Oh for crying out loud.
> 
> Not sure what you're hoping to gain from such comments, but it doesn't
> do anything to change my opinion.

It seems so facetious to compare fsync=off (will cause corruption) with
data_checksums=off (will not cause corruption) that I find the
comparison to be insulting.

Greetings,

Andres Freund



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