From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
Cc: | Tom Lane <tgl(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Re: [COMMITTERS] pgsql: Repair two places where SIGTERM exit couldleave shared memory |
Date: | 2008-04-17 13:05:43 |
Message-ID: | 20080417130543.GF3846@alvh.no-ip.org |
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Lists: | pgsql-committers pgsql-hackers |
Heikki Linnakangas wrote:
> Alvaro Herrera wrote:
>> Tom Lane wrote:
>>
>>> Also use this method
>>> for createdb cleanup --- that wasn't a shared-memory-corruption problem,
>>> but SIGTERM abort of createdb could leave orphaned files lying around.
>>
>> I wonder if we could use this mechanism for cleaning up in case of
>> failed CLUSTER, REINDEX or the like. I think these can leave dangling
>> files around.
>
> They do clean up on abort or SIGTERM.
Ah, we're OK then.
> If you experience a sudden power loss, or kill -9 while CLUSTER or
> REINDEX is running, they will leave behind dangling files, but that's
> a different problem.
Sure, no surprises there.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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