From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Remove fsync ON/OFF as a visible option? |
Date: | 2015-03-20 19:26:43 |
Message-ID: | 550C7473.3030207@commandprompt.com |
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Lists: | pgsql-hackers |
On 03/20/2015 10:45 AM, Tom Lane wrote:
> "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.
Fair enough. I am not going to name names but over the years (and just
today) I ran into another user that corrupted their database by turning
off fsync.
>
>> 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.
How so? alter system fsync on/off (meta)
restart
That seems easier than editing the file and restarting?
JD
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