Re: Performance monitor signal handler

> >
> >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.

The good news is that right now pgmonitor gets all its information from
'ps', and only shows the query when the user asks for it.

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