Re: Remove fsync ON/OFF as a visible option?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Remove fsync ON/OFF as a visible option?
Date: 2015-03-20 17:45:25
Message-ID: 14322.1426873525@sss.pgh.pa.us
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"Joshua D. Drake" <jd(at)commandprompt(dot)com> writes:
> There are just as many people that are running with scissors that are
> now running (or attempting to run) our elephant in production.

Evidence please.

> Does it
> make sense to remove fsync (and possibly full_page_writes) from such a
> visible place as postgresql.conf?
> I don't think we should remove the features themselves but perhaps only
> have them settable via the new alter system command?

I would object to that, because it would make it vastly more difficult
to use fsync=off easily for development.

regards, tom lane

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