From: | Lamar Owen <lamar(dot)owen(at)wgcr(dot)org> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: How to shoot yourself in the foot: kill -9 postmaster |
Date: | 2001-03-06 03:24:11 |
Message-ID: | 3AA4585B.AC1C58E2@wgcr.org |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> of course, that's the situation you're left with ... but your reasoning
> seems circular to me. "I should kill -9 the postmaster to prevent the
> situation where I've kill -9'd the postmaster."
Ok, while the script can certainly be used from the command line, its
primary purpose is system shutdown.
And, I am thinking kindof circituitously at this point -- I only now
realize just how circituitously. If I keep slapping my forehead like
this, I'm going to be bald in a few years....
I don't want to reap the postmaster off -- I want to reap off the
backends associated with that particular postmaster, allowing that
postmaster to die on its own. Duh. Doing this in a safe manner is not
going to be easy, given that the PGDATA is not on the command line to
the backend as echoed by ps. Although I could key on PPID for the
backends.... I'll have to experiment. But not tonight -- last week was
more taxing than I thought. :-(.
--
Lamar Owen
WGCR Internet Radio
1 Peter 4:11
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