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Re: Reducing stats collection overhead

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Reducing stats collection overhead
Date: 2007-04-29 16:30:04
Message-ID: 24113.1177864204@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> If we want to have an idle_in_statement_timeout then we'll need to introduce a
> select loop instead of just directly blocking on recv anyways. Does that mean
> we may as well bite the bullet now?

If we wanted such a timeout (which I personally don't) we wouldn't
implement it with select because OpenSSL wouldn't cooperate.  AFAICS
this'd require setting a timer interrupt ... and then unsetting it when
the client response comes back.

			regards, tom lane

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