proposal: lock_time for pg_stat_database

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: proposal: lock_time for pg_stat_database
Date: 2015-01-16 17:00:18
Message-ID: CAFj8pRCj+AjynKNBnYovtxL-nwngk4Q0h2znUPcii5N-xFNLrw@mail.gmail.com
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Hi all,

some time ago, I proposed a lock time measurement related to query. A main
issue was a method, how to show this information. Today proposal is little
bit simpler, but still useful. We can show a total lock time per database
in pg_stat_database statistics. High number can be signal about lock issues.

Comments, ideas, notices?

Regards

Pavel

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