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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Jeff Janes <jeff.janes@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: [BUGS] BUG #8673: Could not open file "pg_multixact/members/xxxx" on slave during hot_standby
Date: Fri, 27 Jun 2014 14:51:42 -0400
Message-ID: <20140627185142.GO7340@eldon.alvh.no-ip.org> (raw)
In-Reply-To: <CAMkU=1wKqmmvCYWWDb1Pip8G1YZY7BOiSSNasqvUMEN5N_rpLQ@mail.gmail.com>
References: <20131209150345.GB1123@awork2.anarazel.de>
	<CABKyZDFRtDzcY1=sEznC2ivmcM5p1yPQvC8qLL8XLviNF2kp7A@mail.gmail.com>
	<20131209182701.GD9519@awork2.anarazel.de>
	<20140103014616.GB7035@eldon.alvh.no-ip.org>
	<CABKyZDEV49nUYJej9Hv-hPUS=VUmMt1LmVV=YW=fV5X8nKtdtw@mail.gmail.com>
	<20140606013943.GT5146@eldon.alvh.no-ip.org>
	<20140606164727.GU5146@eldon.alvh.no-ip.org>
	<CAMkU=1x4aTiQjECT0TcVDnM=Sgi_vG_3XfYB6rajR82Ym6PjJg@mail.gmail.com>
	<20140609225039.GC18688@eldon.alvh.no-ip.org>
	<CAMkU=1wKqmmvCYWWDb1Pip8G1YZY7BOiSSNasqvUMEN5N_rpLQ@mail.gmail.com>
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Jeff Janes wrote:

> This problem was initially fairly easy to reproduce, but since I
> started adding instrumentation specifically to catch it, it has become
> devilishly hard to reproduce.
> 
> I think my next step will be to also log each of the values which goes
> into the complex if (...) expression that decides on the deletion.

Could you please to reproduce it after updating to latest?  I pushed
fixes that should close these issues.  Maybe you want to remove the
instrumentation you added, to make failures more likely.

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


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  Subject: Re: [BUGS] BUG #8673: Could not open file "pg_multixact/members/xxxx" on slave during hot_standby
  In-Reply-To: <20140627185142.GO7340@eldon.alvh.no-ip.org>

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