On 16 July 2014 06:29, Konstantin Belousov <kostik...@gmail.com> wrote:
> On Fri, Jun 27, 2014 at 03:56:13PM +0300, Konstantin Belousov wrote:
>> I did some measurements and hacks to see about the performance and
>> scalability of PostgreSQL 9.3 on FreeBSD, sponsored by The FreeBSD
>> The results are described in https://kib.kiev.ua/kib/pgsql_perf.pdf.
>> The uncommitted patches, referenced in the article, are available as
> 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
> The changes are marked as 'update for version 2.0'.
Would you mind trying a default (non-PRODUCTION) build, but with junk
filling turned off?
adrian@adrian-hackbox:~ % ls -l /etc/malloc.conf
lrwxr-xr-x 1 root wheel 10 Jun 24 04:37 /etc/malloc.conf -> junk:false
That fixes almost all of the malloc debug performance issues that I
see without having to recompile.
I'd like to know if you see any after that.
email@example.com mailing list
To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"