Re: Performance monitor

Philip Warner <pjw@rhyme.com.au>

From: Philip Warner <pjw@rhyme.com.au>
To: Bruce Momjian <pgman@candle.pha.pa.us>, Tom Lane <tgl@sss.pgh.pa.us>
Cc: The Hermit Hacker <scrappy@hub.org>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2001-03-07T23:51:41Z
Lists: pgsql-hackers
At 18:05 7/03/01 -0500, Bruce Momjian wrote:
>> All in all, I do not see this as an easy task that you can whip out and
>> then release as a 7.1 patch without extensive testing.  And given that,
>> I'd rather see it done with what I consider the right long-term approach,
>> rather than a dead-end hack.  I think doing it in a signal handler is
>> ultimately going to be a dead-end hack.
>
>Well, the signal stuff will get me going at least.

Didn't someone say this can't be done safely - or am I missing something?

ISTM that doing the work to put things in shared memory will be much more
profitable in the long run. You have previously advocated self-tuning
algorithms for performance - a prerequisite for these will be performance
data in shared memory.


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