Re: "stuck spinlock"

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Christophe Pettus <xof(at)thebuild(dot)com>
Cc: PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: "stuck spinlock"
Date: 2013-12-13 02:24:15
Message-ID: 20131213022415.GE29402@awork2.anarazel.de
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Hi,

On 2013-12-12 13:50:06 -0800, Christophe Pettus wrote:
> Immediately after an upgrade from 9.3.1 to 9.3.2, we have a client getting frequent (hourly) errors of the form:

Is it really a regular pattern like hourly? What's your
checkpoint_segments?

Could you, arround the time of a crash, check "grep Dirt
/proc/meminfo" and run iostat -xm 1 20?

Greetings,

Andres Freund

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

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