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Re: 9.1.3 backends getting stuck in 'startup'

From: Jeff Frost <jeff(at)pgexperts(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: 9.1.3 backends getting stuck in 'startup'
Date: 2012-04-27 18:54:34
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Lists: pgsql-bugs
On 04/27/12 10:14, Tom Lane wrote:
> Jeff Frost <jeff(at)pgexperts(dot)com> writes:
>> A few times today, we've seen postgresql 9.1.3 backends on Ubuntu 11.10 x86_64
>> get stuck in 'startup' mode.
> Well, the one you backtraced seems to be waiting for somebody else to
> release one of the buffer mapping locks ... which is not a lock I'd
> expect to get held long, ever.  Could you check all the Postgres
> processes and see which of them have backtraces different from that?
> We need to figure out what's sitting on that lock and why.

Thanks Tom.  We've failed over to the replica which seems to have the issue
happen less often, so I'll try and get the backtraces as soon as it's reproduced.

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Next:From: Jeff FrostDate: 2012-04-27 19:14:06
Subject: Re: 9.1.3 backends getting stuck in 'startup'
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Subject: Re: BUG #6619: Misleading output from slave when host is not running

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