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Re: Resetting cluster-wide statistics

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Greg Smith <gsmith(at)gregsmith(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Resetting cluster-wide statistics
Date: 2009-04-09 16:29:19
Message-ID: 200904091629.n39GTJk10103@momjian.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Greg Smith wrote:
> On Mon, 23 Mar 2009, Tom Lane wrote:
> 
> > We used to have the stats_reset_on_server_start thingy, which covered
> > that case.  When we removed it on the grounds that you could do the
> > same less klugily with pg_stat_reset(), nobody complained about
> > cluster-wide stats...
> 
> Not exactly sure of the sequence here, but I think that was before 
> pg_stat_bgwriter was introduced.  That was late in the 8.3 cycle and one 
> of the primary things I'd like have a good way to reset.  I'll dig back to 
> the commit that wiped out stats_reset_on_server_stat and see what it used 
> to do.  I might suggest something that puts something similar back, 
> perhaps with a more targeted UI given that pg_stat_reset has taken over 
> its original primary function.

Added to TODO:

	Allow the clearing of cluster-level statistics
	
	    * http://archives.postgresql.org/pgsql-hackers/2009-03/msg00917.php 

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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