From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: autovacuum launcher using InitPostgres |
Date: | 2009-08-31 18:52:28 |
Message-ID: | 20090831185228.GJ6060@alvh.no-ip.org |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
Tom Lane wrote:
> Actually, there is a better way to do this: if we move up the
> RelationCacheInitializePhase2 call, then we can have the AV launcher
> case just fall out *before* the transaction start. It can do
> GetTransactionSnapshot inside its own transaction that reads
> pg_database. This is a better solution because it'll have a more
> up-to-date version of RecentGlobalXmin while scanning pg_database.
> (Indeed, I think this might be *necessary* over the very long haul.)
Hmm, good idea.
> I think I've got the signal handling cleaned up, but need to test.
> Is there any really good reason why autovacuum has its own avl_quickdie
> instead of using quickdie() for SIGQUIT?
No, probably I just copied it because the others were static. Not sure
about quickdie() itself.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
From | Date | Subject | |
---|---|---|---|
Next Message | Alvaro Herrera | 2009-08-31 18:53:55 | Re: autovacuum launcher using InitPostgres |
Previous Message | Kevin Grittner | 2009-08-31 18:44:10 | Re: 8.5 release timetable, again |