From: | Doug McNaught <doug(at)wireboard(dot)com> |
---|---|
To: | Jeff Davis <list-pgsql-general(at)dynworks(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: TIP 4: Don't 'kill -9' the postmaster |
Date: | 2002-02-08 15:29:30 |
Message-ID: | m3it982dr9.fsf@varsoon.denali.to |
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Lists: | pgsql-general |
Jeff Davis <list-pgsql-general(at)dynworks(dot)com> writes:
> TIP 4: Don't 'kill -9' the postmaster
>
> My impression of 7.2 (and probably earlier releases as well) is that you're
> data is secure as long as your disks can read/write properly, because of all
> the WAL work. I would like to think that my databases would be in good shape
> even in the event of a power failure or a 'kill -9'. Is this the case? Under
> what known circumstances might data be corrupted? I am mostly concerned with
> 7.2, since I plan to upgrade all of my servers anyway, but info about 7.1.x
> would be helpful.
WAL does seem to have made things pretty robust.
The tip is directed at those people for whom 'kill -9' is the first
resort, not the last. ;) Clean shutdown is *always* better than
unclean if you can manage it.
-Doug
--
Let us cross over the river, and rest under the shade of the trees.
--T. J. Jackson, 1863
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