Re: BUG #11264: Auto vacuum wraparound job blocking everything

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: dbhandary(at)switchfly(dot)com
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #11264: Auto vacuum wraparound job blocking everything
Date: 2014-08-26 04:03:28
Message-ID: 20140826040328.GC6343@eldon.alvh.no-ip.org
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dbhandary(at)switchfly(dot)com wrote:

> I am including debug trace here. It seems like auto vacuum is running in an
> infinite loop. Will be happy to provide more info if necessary.
>
> (gdb) bt
> #0 0x00007fb9740eb5b3 in __select_nocancel () from /lib64/libc.so.6
> #1 0x000000000075ad7a in pg_usleep ()
> #2 0x00000000004ae2d4 in GetMultiXactIdMembers ()
> #3 0x000000000047f6cc in heap_prepare_freeze_tuple ()
> #4 0x000000000057d036 in lazy_vacuum_rel ()

Can you please provide pg_controldata output?

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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