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Re: Added columns to pg_stat_activity

This is a discussion on Re: Added columns to pg_stat_activity within the Pgsql Patches forums, part of the PostgreSQL category; --> Certainly seems that way. Missed a .diff for the rules output there... Should be a simple replace, from what ...


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Old 04-17-2008, 11:18 PM
Magnus Hagander
 
Posts: n/a
Default Re: Added columns to pg_stat_activity

Certainly seems that way. Missed a .diff for the rules output there...
Should be a simple replace, from what I can tell what's in the output on
the buildfarm boxes I checked is correct, the expected file shuold
changed.

Oops.

//Magnus


>
> Is this what broke the regression tests on HEAD?
>
> cheers
>
> andrew
>
> Neil Conway wrote:
>
> > Tom Lane wrote:
> >
> >> If the stats collector gets sufficiently backed up, you will lose
> >> messages. [...] Please do not try to make piecemeal

> changes in that
> >> basic design decision.

> >
> >
> > Fair enough.
> >
> > > (Actually, we could skinny it down to backend PID only ...

> >
> >> but that would add a hashtable lookup to every message

> reception in
> >> the stats collector, instead of just indexing into a

> BackendId array,
> >> so it'd probably be a net loss.)

> >
> >
> > Yeah, I agree -- backend ID and database ID isn't too bad.
> >
> > I've applied Magnus patch and bumped the catalog version.

> I'll take a
> > look at reorganizing the statistics collector so that the message
> > header is smaller shortly.
> >
> > -

>
>


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