On 7/16/2014 5:59 PM, Konstantin Belousov wrote:
On Fri, Jun 27, 2014 at 03:56:13PM +0300, Konstantin Belousov wrote:
Hi,
I did some measurements and hacks to see about the performance and
scalability of PostgreSQL 9.3 on FreeBSD, sponsored by The FreeBSD
Foundation.
The results are described in https://kib.kiev.ua/kib/pgsql_perf.pdf.
The uncommitted patches, referenced in the article, are available as
https://kib.kiev.ua/kib/pig1.patch.txt
https://kib.kiev.ua/kib/patch-2
A followup to the original paper.
Most importantly, I identified the cause for the drop on the graph
after the 30 clients, which appeared to be the debugging version
of malloc(3) in libc.
Also there are some updates on the patches.
New version of the paper is available at
https://www.kib.kiev.ua/kib/pgsql_perf_v2.0.pdf
The changes are marked as 'update for version 2.0'.
Thanks for the great work!
Did you tested the effect of hyper-threading (on or off) on the results?
--
Best regards.
Hooman Fazaeli
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