Re: Performance features the 4th

From: Jan Wieck <JanWieck(at)Yahoo(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Performance features the 4th
Date: 2003-11-05 20:49:54
Message-ID: 3FA96272.40804@Yahoo.com
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Andrew Dunstan wrote:

> Jan Wieck wrote:
>
>>
>> How portable is getrusage()? Could the postmaster issue that
>> frequently for RUSAGE_CHILDREN and leave the result somewhere in the
>> shared memory for whoever is concerned?
>>
> SVr4, BSD4.3, SUS2 and POSIX1003.1, I believe.
>
> I also believe there is a M$ dll available that gives that functionality
> (psapi.dll).

Remains the question when it is updated, the manpage doesn't tell. If
the RUSAGE_CHILDREN information is updated only when the child exits,
each backend has to do it.

Jan

--
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