Re: Performance monitor signal handler - Mailing list pgsql-hackers

From Philip Warner
Subject Re: Performance monitor signal handler
Date
Msg-id 3.0.5.32.20010314014218.028acc20@mail.rhyme.com.au
Whole thread Raw
In response to Re: Performance monitor signal handler  (Alfred Perlstein <bright@wintelcom.net>)
Responses Re: Performance monitor signal handler  (Alfred Perlstein <bright@wintelcom.net>)
List pgsql-hackers
>
>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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