From: Jerry Sievers <gsievers19@comcast.net>
To: Sheena\, Prabhjot <Prabhjot.Singh@classmates.com>
Cc: ktm\@rice.edu <ktm@rice.edu>
Cc: Will Platnick <wplatnick@gmail.com>
Cc: pgsql-performance\@postgresql.org <pgsql-performance@postgresql.org>
Cc: pgsql-general\@postgresql.org <pgsql-general@postgresql.org>
Subject: Re: [PERFORM] PGBOUNCER ISSUE PLEASE HELP(Slowing down the site)
Date: Thu, 18 Jun 2015 14:46:36 -0500
Message-ID: <868ubgajfn.fsf@jerry.enova.com> (raw)
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"Sheena, Prabhjot" <Prabhjot.Singh@classmates.com> writes:
> Hi Ken/ Will
>
> I have checked the ulimit value and we are nowhere hitting the max
> 4096 that we have currently set. Is there any other explanation why
> we should be thinking of bumping it to like ulimit -n 50000 ( Add
> ulimit -n 50000 to the start of whatever you use to start pgbouncer
> (init script, etc..)) even though we are not reaching 4096 max value
If I can assume you're running on linux, best you get limits readout
from...
/proc/$PID-of-bouncer-process/limits
Best not to trust that run time env of interactive shell is same as
where bouncer launched from.
FWIW
> Regards
> Prabhjot Singh
>
>
>
> -----Original Message-----
> From: ktm@rice.edu [mailto:ktm@rice.edu]
> Sent: Thursday, June 18, 2015 11:10 AM
> To: Sheena, Prabhjot
> Cc: pgsql-performance@postgresql.org; pgsql-general@postgresql.org
> Subject: Re: [PERFORM] PGBOUNCER ISSUE PLEASE HELP(Slowing down the site)
>
> On Thu, Jun 18, 2015 at 05:41:01PM +0000, Sheena, Prabhjot wrote:
>> Here is the output of OS limits
>>
>> postgres@symds-pg:~ $ ulimit -a
>>
>> core file size (blocks, -c) 0
>> data seg size (kbytes, -d) unlimited
>> scheduling priority (-e) 0
>> file size (blocks, -f) unlimited
>> pending signals (-i) 790527
>> max locked memory (kbytes, -l) 32
>> max memory size (kbytes, -m) unlimited
>> open files (-n) 4096
>> pipe size (512 bytes, -p) 8
>> POSIX message queues (bytes, -q) 819200
>> real-time priority (-r) 0
>> stack size (kbytes, -s) 10240
>> cpu time (seconds, -t) unlimited
>> max user processes (-u) 16384
>> virtual memory (kbytes, -v) unlimited
>> file locks (-x) unlimited
>>
>>
>> Thanks
>> Prabhjot
>>
>
> I would bump your open files as was suggested in your pgbouncer start script.
>
> Regards,
> Ken
--
Jerry Sievers
Postgres DBA/Development Consulting
e: postgres.consulting@comcast.net
p: 312.241.7800
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Cc: gsievers19@comcast.net, Prabhjot.Singh@classmates.com, ktm@rice.edu, wplatnick@gmail.com, pgsql-general@postgresql.org
Subject: Re: [PERFORM] PGBOUNCER ISSUE PLEASE HELP(Slowing down the site)
In-Reply-To: <868ubgajfn.fsf@jerry.enova.com>
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