Re: patch: improve SLRU replacement algorithm - Mailing list pgsql-hackers

From Robert Haas
Subject Re: patch: improve SLRU replacement algorithm
Date
Msg-id CA+Tgmoa_EYT_zAnoR_CEELx+jV_MB8c5zx_gnQpTWem=ezzr_g@mail.gmail.com
Whole thread Raw
In response to Re: patch: improve SLRU replacement algorithm  (Simon Riggs <simon@2ndQuadrant.com>)
Responses Re: patch: improve SLRU replacement algorithm  (Greg Stark <stark@mit.edu>)
List pgsql-hackers
On Thu, Apr 5, 2012 at 8:30 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On Thu, Apr 5, 2012 at 12:56 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>
>> Overall tps, first without and then with patch:
>>
>> tps = 14546.644712 (including connections establishing)
>> tps = 14550.515173 (including connections establishing)
>>
>> TPS graphs by second attached.
>
> Again, I'm not that fussed about throughput because it just hides the
> detail. I am concerned about the distribution of response times, so
> I'd like to see the numbers about that if you don't mind. i.e. does
> the patch remove long waits.

Sorry, I don't understand specifically what you're looking for.  I
provided latency percentiles in the last email; what else do you want?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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