[Pgpool-general] insert_lock leaks
Yoshiyuki Asaba
y-asaba at sraoss.co.jp
Fri May 30 07:33:57 UTC 2008
Hi,
From: Simone Tregnago <simonetregnago at grivaonline.com>
Subject: Re: [Pgpool-general] insert_lock leaks
Date: Fri, 30 May 2008 09:31:09 +0200
> > Could you provide a reproducible program?
> >
>
> That's very hard to do since the leaks comes using our ERP with hundreds
> of opened connections ( in order to work properly I had to set
> num_init_children=1000 and max_pool=4). I can't imagine how to reproduce
> a test software: until now I wasn't able to guess the guilty
> > context.
OK. I have another question. What driver do you use? JDBC driver?
Regards,
--
Yoshiyuki Asaba
y-asaba at sraoss.co.jp
> Maybe, if you have suggestions on what to look ( or to log ) in order to
> help me to identify something...
> A first hypothesis is that the leaks remains with tables with serial
> fields, but I can't be sure of that.
> Yesterday I killed 3-4 zombie connections that took one table locked.
> Note that the ERP don't use PostgreSQL locks, so only PgPool makes
> explicit locks.
>
> Thanks for you attention,
> Simone Tregnago
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