Re: First steps with 8.3 and autovacuum launcher - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: First steps with 8.3 and autovacuum launcher
Date
Msg-id 1191510631.4223.165.camel@ebony.site
Whole thread Raw
In response to Re: First steps with 8.3 and autovacuum launcher  (Gregory Stark <stark@enterprisedb.com>)
List pgsql-hackers
On Thu, 2007-10-04 at 16:07 +0100, Gregory Stark wrote:
> "Alvaro Herrera" <alvherre@commandprompt.com> writes:
> 
> > Hmm, it looks like the race condition Heikki mentioned is the culprit.
> > We need a way to stop future analyzes from starting.  Back to the
> > drawing board ...
> 
> A crazy idea I just had -- what if you roll this into the deadlock check? So
> after waiting on the lock for 1s it wakes up, finds that the holder it's
> waiting on is an autovacuum process and cancels it instead of finding no
> deadlock.

+1

--  Simon Riggs 2ndQuadrant  http://www.2ndQuadrant.com



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