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Re: automatically detecting long timed locks

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Tino Schwarze <postgresql(at)tisc(dot)de>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: automatically detecting long timed locks
Date: 2007-09-13 13:58:12
Message-ID: 8029.1189691892@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-admin
Tino Schwarze <postgresql(at)tisc(dot)de> writes:
> So I'd like to watch for transactions waiting for the lock in step 3 - I
> do not care for the time it took to perform the work.

Dunno if this is of any use to you, but there is a "log_lock_waits"
feature in CVS HEAD that seems to be exactly what you want.  I couldn't
recommend running 8.3 in production yet, but it wouldn't be out of the
realm of reason to back-port the patch for that.

			regards, tom lane

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