Re: Huge spikes in number of connections doing "PARSE"

On Mon, Mar 14, 2011 at 07:49:46PM +0100, hubert depesz lubaczewski wrote:
> These 60 were summarized, and output is available here:
> http://www.depesz.com/various/locks.summary.txt
>
> as you can seem, in 48 cases backend process was in semop(), which relates
> directly to my previous findings with ps/wchan.

It's unfortunate you don't have debug symbols enabled, which makes
these traces somewhat unreliable. So you get odd things like index_open
calling index_close.

The common factor seems to be lots of index locks. Do you have very
many indexes?

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> Patriotism is when love of your own people comes first; nationalism,
> when hate for people other than your own comes first.
>                                       - Charles de Gaulle