[Fedora-directory-users] Re: Re: FDS hangs

[Saravana Kumar]

Richard Megginson wrote:

> Saravana Kumar wrote:
>> Richard Megginson wrote:
>>
>>   
>>> You need to increase the number of file descriptors.
>>> See http://directory.fedora.redhat.com/wiki/Performance_Tuning#Linux
>>> and
>>> http://www.redhat.com/docs/manuals/dir-server/pdf/ds71cli.pdf - search
>>> for nsslapd-maxdescriptors
>>>
>>> Saravana Kumar wrote:
>>>     
>>>> Hi,
>>>>
>>>> I am running FDS in one of my servers. It serves authinfo(username &
>>>> password) and automount info to about 50 clients. During peak
>>>> hours(when the number of connections to the server are high) it is very
>>>> difficult to operate in the client machines and the server fails to
>>>> respond. Then i end up in hard rebooting the server. After reboot slapd
>>>> would not start(i have scripts to start fds and fds-admin). I have to
>>>> run ./setup/setup again to start the fds-admin.
>>>>
>>>> Can some one tell me why is this happenning? Is it a bug?
>>>>
>>>> The only error i see in the slapd logs is this:
>>>> 17/Aug/2006:15:18:15 +051800] - Listening for new connections again
>>>> [17/Aug/2006:15:18:15 +051800] - Not listening for new connections -
>>>> [too
>>>> many fds open
>>>>
>>>>
>>>> Thanks in advance for any pointers.
>>>>
>>>> ---
>>>> SK
>>>>
>>>> --
>>>> Fedora-directory-users mailing list
>>>> Fedora-directory-users at redhat.com
>>>> https://www.redhat.com/mailman/listinfo/fedora-directory-users
>>>>
>>>>       
>>
>> Thanks Richard,
>>
>> After posting here i infact got to this page:
>> http://www.redhat.com/docs/manuals/dir-server/cli/config.htm
>> and checked nsslapd-maxdescriptors(it is 1024) and
>> nsslapd-ntconntablesize(is 1024). My /proc/sys/fs/file-max is already
>> 102432.
>>
>> I tried to change the nslapd-ntconntablesize from adminconsole, it failed
>> with the error nsslapd-maxdescriptor is 1024. Then i tried to change
>> maxdescriptor to 4096 it failed with the error maxfile descriptors must
>> range from 1 to 1024 (the current file descriptors).
>>   
> You may have to edit the slapd-instance/start-slapd script to set ulimit
> -n 8192 or something like that first.  What does ulimit -n say?
ulimit -n says 1024.

It set the value manually like this ulimit -n 8192(also put it
in /etc/profile). Restarted fds admin server. Tried to change the
nsslapd-maxdescriptors but it gives the same error again.

TIA,
SK