From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
---|---|
To: | "Ed L(dot)" <pgsql(at)bluepolka(dot)net> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: hung postmaster? |
Date: | 2005-02-16 22:38:48 |
Message-ID: | 20050216223828.GE6487@svana.org |
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Lists: | pgsql-general |
On Wed, Feb 16, 2005 at 11:41:35AM -0700, Ed L. wrote:
> Question: Am I doing all I can to avoid corruption with the
> following procedure to shutdown a 7.4.6 cluster with a hung
> postmaster? Suggestions?
What is the state of the processes in ps? D, S, R, ?? That should at
least give a hint as to what it *is* doing...
> 1. SIGTERM non-postmaster processes
> 2. SIGINT non-postmasters
> 3. SIGQUIT non-postmaster
> 4. SIGTERM postmaster
> 5. SIGINT postmaster
> 6. SIGQUIT postmaster
> 7. SIGKILL postmaster
The options you can give to pg_ctl should cover all the
possibilities... There's also a page in the docs as to what each
process does with each signal...
Hope this helps,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.
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