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

From: Florian Weimer <fw(at)deneb(dot)enyo(dot)de>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Stephen Frost <sfrost(at)snowman(dot)net>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Remove fsync ON/OFF as a visible option?
Date: 2015-03-22 17:34:11
Message-ID: 87bnjl9bsc.fsf@mid.deneb.enyo.de
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* David G. Johnston:

> "​enables or disables data durability ​promise of ACID." ?

“fsync = on” only works if the storage stack doesn't do funny things.
Depending on the system, it might not be sufficient.

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