Re: Performance monitor signal handler

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От
Philip Warner
Тема
Re: Performance monitor signal handler
Дата
Msg-id
3.0.5.32.20010314014218.028acc20@mail.rhyme.com.au
Ответ на
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Дерево обсуждения
Re: Performance monitor signal handler Jan Wieck <JanWieck@Yahoo.com>
Re: Performance monitor signal handler Tom Lane <tgl@sss.pgh.pa.us>
Re: Performance monitor signal handler Jan Wieck <JanWieck@Yahoo.com>
Re: Performance monitor signal handler Jan Wieck <JanWieck@Yahoo.com>
Re: Performance monitor signal handler Jan Wieck <JanWieck@Yahoo.com>
Re: Performance monitor signal handler Tom Lane <tgl@sss.pgh.pa.us>
Re: Performance monitor signal handler Bruce Momjian <pgman@candle.pha.pa.us>
Re: Performance monitor signal handler Tom Lane <tgl@sss.pgh.pa.us>
Re: Performance monitor signal handler Bruce Momjian <pgman@candle.pha.pa.us>
Re: Performance monitor signal handler Jan Wieck <JanWieck@Yahoo.com>
Re: Performance monitor signal handler Bruce Momjian <pgman@candle.pha.pa.us>
Re: Performance monitor signal handler Bruce Momjian <pgman@candle.pha.pa.us>
Re: Performance monitor signal handler Jan Wieck <JanWieck@Yahoo.com>
Re: Performance monitor signal handler Larry Rosenman <ler@lerctr.org>
Re: Performance monitor signal handler Larry Rosenman <ler@lerctr.org>
Re: Performance monitor signal handler Patrick Welche <prlw1@newn.cam.ac.uk>
Re: Performance monitor signal handler Tom Lane <tgl@sss.pgh.pa.us>
>
>This ought to always give a consistant snapshot of the file to
>whomever opens it.
>

I think Tom has previously stated that there are technical reasons not to
do IO in signal handlers, and I have philosophical problems with
performance monitors that ask 50 backends to do file IO. I really do think
shared memory is TWTG.




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