Re: regression, deadlock in high frequency single-row UPDATE

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: hubert depesz lubaczewski <depesz(at)gmail(dot)com>
Cc: Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz>, pgsql-bugs(at)postgresql(dot)org, Paulo Tanimoto <paulo(at)janrain(dot)com>
Subject: Re: regression, deadlock in high frequency single-row UPDATE
Date: 2014-12-09 14:14:48
Message-ID: 20141209141448.GO1768@alvh.no-ip.org
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hubert depesz lubaczewski wrote:
> For whatever it's worth, I was able to bisect the problem to this commit:
>
> commit
> 0ac5ad5134f2769ccbaefec73844f8504c4d6182
>
> Author: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
>
> Date: Wed Jan 23 12:04:59 2013 -0300
>
> Improve concurrency of foreign key locking

I'm not surprised in the least, TBH.

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

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