Re: How to simulate crashes of PostgreSQL?

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Vick Khera <vivek(at)khera(dot)org>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: How to simulate crashes of PostgreSQL?
Date: 2009-08-25 17:09:34
Message-ID: 20090825170934.GB12604@alvh.no-ip.org
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Vick Khera wrote:
> On Sat, Aug 22, 2009 at 6:55 PM, Greg Sabino Mullane<greg(at)turnstep(dot)com> wrote:
> > A server crash is a pretty rare event in the Postgres world, so I
> > would not spend too many cycles on this...
>
> I had one the other day caused by server resource issues: I ran out of
> file descriptors when I had a very large surge in activity. Pg
> rightfully panicked and disconnected all my clients.

PG is not supposed to crash when it runs out of file descriptors. In
fact there's a whole abstraction layer to ensure this does not happen.
What you saw was either misconfiguration or a bug somewhere (for example
maybe you have untrusted functions that try to open files?)

--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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