Re: kill -KILL: What happens?

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: David Fetter <david(at)fetter(dot)org>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PG Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: kill -KILL: What happens?
Date: 2011-01-13 23:29:13
Message-ID: 1294961353.1528.18.camel@jdavis-ux.asterdata.local
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On Thu, 2011-01-13 at 11:14 -0800, David Fetter wrote:
> I get that we can't prevent all pilot error, but I was hoping we could
> bullet-proof this a little more, especially in light of a certain
> extremely popular server OS's OOM killer's default behavior.

That's a good point. I'm not sure how much action can reasonably be
taken, however.

> Yes, I get that that behavior is crazy, and stupid, and that people
> should shut it off, but it *is* our problem if we let the postmaster
> start (or continue) when it's set that way.

As an aside, linux has actually changed the heuristic:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a63d83f427fbce97a6cea0db2e64b0eb8435cd10

Regards,
Jeff Davis

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