From: | wieck(at)debis(dot)com (Jan Wieck) |
---|---|
To: | tgl(at)sss(dot)pgh(dot)pa(dot)us (Tom Lane) |
Cc: | hamid(at)emarq(dot)com, pgsql-sql(at)postgresql(dot)org |
Subject: | Re: [SQL] zombie postmasters |
Date: | 1999-11-17 08:26:52 |
Message-ID: | m11o0QW-0003kLC@orion.SAPserv.Hamburg.dsh.de |
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Lists: | pgsql-sql |
>
> "Hamid Khoshnevis" <hamid(at)emarq(dot)com> writes:
> > In a web environment, a user can repeatedly starts and abort large queries
> > which create a large number of zombie postmasters.
>
> It shouldn't be possible for there to be zombie postgres processes ---
> the postmaster process should reap dead backends more or less instantly.
> Either your postmaster is getting wedged somehow, or there is a
> configure/install problem that has broken the postmaster's handling
> of child-process exit. What platform are you using, exactly? What
> if anything shows up in the postmaster log when this happens?
No, Tom.
It confused me too first. But with Zombie, he didn't meant
what you and me think a Zombie is. And it aren't postmaster
ones, it are regular backends that still run a huge query
where the client is already gone.
Jan
--
#======================================================================#
# It's easier to get forgiveness for being wrong than for being right. #
# Let's break this rule - forgive me. #
#========================================= wieck(at)debis(dot)com (Jan Wieck) #
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