>-----Original Message----- >From: [email protected] >[mailto:[email protected]] On >Behalf Of Dieter Kluenter >Sent: Saturday, April 03, 2010 2:18 AM >To: [email protected] >Subject: Re: too many open files and over 1K xinetd running > >"Seger, Mark" <[email protected]> writes: > >> I’m using xinetd forwarding to allow a number of compute nodes that >don’t have >> a direct path to our ldap server to get forward on by a host that >does. When >> running a highly parallel job that starts over 1K instances at the >same time, >> I see all these xinetd instances also start up on my forwarding server >and in >> fact they don’t seem to go away, at not any time soon. Meanwhile back >on my >> ldap server I see number of ‘too many open files’ errors in >/var/log/messages >> and if I try to “su user” on one of the nodes I’ll see it hang for >awhile. I >> have bumped the number of open files very high on the ldap server and >in fact: >> >> [r...@aicgateway ~]# cat /proc/sys/fs/file-nr >> >> 5610 0 201116 >> >> So out of a pool of 200K we’re only using 5K. >> >> Anyhow, I’m wondering if there are any special tricks to configuring >the >> environment to handling this type of load on ldap OR should it be able >to >> handle it the way I’m currently configured? Any special tuning hints? >Any >> more info I can supply? > >ulimit -n, ulimit -Sn, ulimit -Hn > [r...@aicgateway ~]# ulimit -n 16535 [r...@aicgateway ~]# ulimit -Sn 16535 [r...@aicgateway ~]# ulimit -Hn 32768 [r...@aicgateway ~]#
Does this help? -mark >-Dieter > >-- >Dieter Klünter | Systemberatung >sip: +49.40.20932173 >http://www.dpunkt.de/buecher/2104.html >GPG Key ID:8EF7B6C6
