Re: How to track number of connections and hosts to Postgres cluster

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Venkat Balaji <venkat(dot)balaji(at)verse(dot)in>
Cc: Adarsh Sharma <adarsh(dot)sharma(at)orkash(dot)com>, Guillaume Lelarge <guillaume(at)lelarge(dot)info>, pgsql-performance(at)postgresql(dot)org
Subject: Re: How to track number of connections and hosts to Postgres cluster
Date: 2011-08-24 18:23:14
Message-ID: CAOR=d=1bFv=Yw5QbWSV9KnSFo1wnbehLi7ymGjeHUqVvgx9SAw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Wed, Aug 24, 2011 at 5:21 AM, Venkat Balaji <venkat(dot)balaji(at)verse(dot)in> wrote:
> But, the information vanishes if the application logs off.
> I am looking for an alternative to track the total amount of the connections
> with the host IPs through a Cron job.
> What could be the frequency of cron ?
> I know the best is using log_connections and log_disconnections parameters,
> but, information logged would be too high and is also IO intensive.

Really? Have you tested how much IO it will generate? My guess is
not that much. And on a database server it should be a miniscule
amount compared to what your DB is doing the rest of the time.
Eliminating this choice is premature optimization IMHO.

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Merlin Moncure 2011-08-24 18:27:30 Re: Intel 320 SSD info
Previous Message gnuoytr 2011-08-24 17:46:10 Re: Intel 320 SSD info