[ejabberd] Can't get more than 32768 online users with ejabberd (need 50k+)

Mark Keisler mark at mitsein.net
Wed Jun 16 18:23:45 MSD 2010


Also set ERL_MAX_PORTS environment variable to a number higher than 32k in
the session that starts ejabberd.

-- 
Mark
Is it solipsistic in here or is it just me?


On Wed, Jun 16, 2010 at 8:33 AM, Max Kalika <max.kalika at gmail.com> wrote:

> Check /proc/<pid>/limits and look for open files limit. I suspect it's set
> to 32k. To fix it modify your startup script and add:
>
> ulimit -n 131072
>
> Or whatever is appropriate.
>
> --mk23, now with more iPhone.
>
>
> On Jun 16, 2010, at 4:36 AM, Vasily Samoylov <mail at vas.org.ua> wrote:
>
>  Hi.
>> I am running ejabberd-2.1.3 from ports on freebsd 8.1pre, amd64, 8G ram,
>> backended by native erlang mysql driver from ejabberd cvs (mysql-5.1).
>> My problem is that I can't get more than 32768 users online, accordind to
>> ejabberctl connected_users_number (after 25k some connections are
>> established, then dropped).
>> It's still plenty of ram and cpu available, but I just don't know where to
>> go from here. Kernel is reasonably tuned, as far as I know.
>>
>> I want to get at least 50k users online, maybe 100k. Thanks in advance for
>> any advice!
>>
>> Erlang R13B04 (erts-5.7.5) [source] [64-bit] [smp:8:8] [rq:8]
>> [async-threads:0] [hipe] [kernel-poll:true]
>> Eshell V5.7.5  (abort with ^G)
>> (ejabberd at localhost)1> os:getenv("ERL_MAX_PORTS").
>> "500000"
>> (ejabberd at localhost)2> os:cmd("ulimit -n").
>> "200000\n"
>> (ejabberd at localhost)3>
>>
>>
>> >cat ejabberdctl.cfg | grep -v # | grep -v ^$
>> POLL=true
>> SMP=enable
>> ERL_MAX_PORTS=1000000
>> ERL_PROCESSES=3500000
>> ERL_MAX_ETS_TABLES=5000
>>
>> >cat /boot/loader.conf
>> net.inet.tcp.syncache.hashsize=1024
>> net.inet.tcp.syncache.bucketlimit=100
>> net.inet.tcp.tcbhashsize=4096
>> kern.ipc.nsfbufs=10240
>>
>> >cat /etc/sysctl.conf
>> kern.ipc.nmbclusters=65000
>> kern.ipc.somaxconn=4096
>> kern.ipc.maxsockets=204800
>> kern.maxfiles=204800
>> kern.maxfilesperproc=200000
>> net.inet.tcp.recvspace=16384
>> net.inet.tcp.sendspace=16384
>> net.inet.tcp.maxtcptw=55000
>> net.inet.ip.portrange.first=1024
>> net.inet.ip.portrange.last=65535
>> net.inet.ip.portrange.randomized=0
>> net.inet.tcp.nolocaltimewait=1
>> net.inet.tcp.fast_finwait2_recycle=1
>>
>> _______________________________________________
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>> ejabberd at jabber.ru
>> http://lists.jabber.ru/mailman/listinfo/ejabberd
>>
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