[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
>/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:
>>
>> [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
>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
>
[root@aicgateway ~]# ulimit -n
16535
[root@aicgateway ~]# ulimit -Sn
16535
[root@aicgateway ~]# ulimit -Hn
32768
[root@aicgateway ~]#
Does this help?
-mark
>-Dieter
>
>--
>Dieter Klünter | Systemberatung
>sip: +49.40.20932173
>http://www.dpunkt.de/buecher/2104.html
>GPG Key ID:8EF7B6C6