Re: BUG #15346: Replica fails to start after the crash

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Dmitry Dolgov <9erthalion6(at)gmail(dot)com>
Cc: Alexander Kukushkin <cyberdemn(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #15346: Replica fails to start after the crash
Date: 2018-08-22 17:50:34
Message-ID: 20180822175034.lnvwk5js32k6mjyz@alvherre.pgsql
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On 2018-Aug-22, Dmitry Dolgov wrote:

> > ENOTIME for a closer look ATM, though, sorry. Maybe you could try
> > running under valgrind?
>
> Could you elaborate please, what can we find using valgrind in this case, some
> memory leaks? In any way there is a chance that everything will be ok, since
> even just a slow tracing under gdb leads to disappearing of this race
> condition.

I don't know. I was thinking it could detect some invalid write in
shared memory.

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

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