From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Leon Oosterwijk <leon(at)isdn(dot)net> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Question about Threads |
Date: | 2003-11-09 01:58:09 |
Message-ID: | 200311090158.hA91w9028177@candle.pha.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
Leon Oosterwijk wrote:
> All,
>
> I'm working on a school project that involves genetic algorithms. We thought
> it would be neat to parralelize the genetic algorithm in postgresql's query
> optimiser. We used pthreads and are able to spawn threads to deal with the
> query optimization, however on exit of the thread the postmaster blows up.
> Before we get into details is there any obvious reason postgres doesn't like
> to deal with threads?
Yes, the backend code is not thread-safe.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
From | Date | Subject | |
---|---|---|---|
Next Message | Bruce Momjian | 2003-11-09 02:02:46 | Re: Call for port reports |
Previous Message | Joe Conway | 2003-11-09 01:56:35 | Re: [HACKERS] postgresql-7.4RC1 - unrecognized privilege type |