| From: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
|---|---|
| To: | Venkat Balaji <venkat(dot)balaji(at)verse(dot)in> |
| Cc: | MirrorX <mirrorx(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Re: How to track number of connections and hosts to Postgres cluster |
| Date: | 2011-09-12 17:00:08 |
| Message-ID: | CAHyXU0ynmzw70FOjoKaXCWrchcrRjOs0JoXTNNjVfK6+NZAfjA@mail.gmail.com |
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| Lists: | pgsql-performance |
On Tue, Aug 30, 2011 at 12:55 AM, Venkat Balaji <venkat(dot)balaji(at)verse(dot)in> wrote:
> Thanks to all for your very helpful replies !
> As Greg Smith rightly said, i faced a problem of missing connections between
> the runs. I even ran the cron every less than a second, but, still that
> would become too many runs per second and later i need to take the burden of
> calculating every thing from the log.
> I did not really calculate the IO load while the logging is on. I would
> switch on "log_connections" and "log_disconnections" to log the number of
> connections and duration of a connection.
yet another reason why we need connection and disconnection triggers
(especially the former, since disconnection triggers can be kludged
with an on_proc_exit/dblink hook).
merlin
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