Horton

Re: Performance monitor signal handler

Philip Warner <pjw@rhyme.com.au>

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From: Philip Warner <pjw@rhyme.com.au>
To: Alfred Perlstein <bright@wintelcom.net>
Cc: Jan Wieck <janwieck@Yahoo.com>, Bruce Momjian <pgman@candle.pha.pa.us>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2001-03-16T00:28:21Z
Lists: pgsql-hackers 
At 16:17 15/03/01 -0800, Alfred Perlstein wrote:
>
>Lost data is probably better than incorrect data.  Either use locks
>or a copying mechanism.  People will depend on the data returned
>making sense.
>

But with per-backend data, there is only ever *one* writer to a given set
of counters. Everyone else is a reader.


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