Date: Wed, 9 Apr 2014 17:21:05 -0400
From: Bruce Momjian <bruce@momjian.us>
To: Ryan Johnson <ryan.johnson@cs.utoronto.ca>
Cc: pgsql-performance@postgresql.org
Subject: Re: SSI slows down over time
Message-ID: <20140409212105.GF8686@momjian.us>
References: <5340BB09.5010101@cs.utoronto.ca>
 <5342B87C.9090908@cs.utoronto.ca>
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On Mon, Apr  7, 2014 at 10:38:52AM -0400, Ryan Johnson wrote:
> The two * entries were produced by runs under SI, and confirm that
> the rest of the system has not been slowing down nearly as much as
> SSI. SI throughput dropped by 5% as the database quadrupled in size.
> SSI throughput dropped by 23% during the same interval. And this was
> actually one of the better sets of runs; I had a few last week that
> dipped below 1ktps.
> 
> I'm not sure what to make of this, thoughts?

Seems it is time to ask on hackers.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +


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