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Measuring Lock Performance

From: "Lane Van Ingen" <lvaningen(at)esncc(dot)com>
To: <pgsql-performance(at)postgresql(dot)org>
Subject: Measuring Lock Performance
Date: 2006-02-17 20:26:19
Message-ID: EKEMKEFLOMKDDLIALABIEECNCIAA.lvaningen@esncc.com (view raw or flat)
Thread:
Lists: pgsql-performance
Does anybody know if it is possible to use the statistics collected by
PostgreSQL to do the following, and how?

- view all locks held by a particular PostgreSQL session (including how to
determine
  the session ID#)

- determine effect of lock contention on overall database performance, as
well as the
  extent to which contention varies with overall database traffic

I am using version 8.0.2 on Windows 2003.



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