| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Ryan Johnson <ryan(dot)johnson(at)cs(dot)utoronto(dot)ca> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: SSI slows down over time |
| Date: | 2014-04-09 21:21:05 |
| Message-ID: | 20140409212105.GF8686@momjian.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
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(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ Everyone has their own god. +
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