[Date Prev][Date Next] [Chronological] [Thread] [Top]

RE: too many open files and over 1K xinetd running

>-----Original Message-----
>From: openldap-technical-bounces+mark.seger=hp.com@OpenLDAP.org
>[mailto:openldap-technical-bounces+mark.seger=hp.com@OpenLDAP.org] On
>Behalf Of Dieter Kluenter
>Sent: Saturday, April 03, 2010 2:18 AM
>To: openldap-technical@openldap.org
>Subject: Re: too many open files and over 1K xinetd running
>"Seger, Mark" <mark.seger@hp.com> 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
>> 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:
>> [root@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
>> environment to handling this type of load on ldap OR should it be able
>> handle it the way I’m currently configured?  Any special tuning hints?
>> more info I can supply?
>ulimit -n, ulimit -Sn, ulimit -Hn
[root@aicgateway ~]# ulimit -n
[root@aicgateway ~]# ulimit -Sn
[root@aicgateway ~]# ulimit -Hn
[root@aicgateway ~]#

Does this help?

>Dieter Klünter | Systemberatung
>sip: +49.40.20932173
>GPG Key ID:8EF7B6C6