[Fedora-directory-users] not enough file descriptors

[MJD Shop Account]

ah! only 1024.  What is considered a reasonable value?  Is it setting this or picking it up from the defaults such as ulimits?

I assume I need to do this on all of the multi-masters and consumers to be the same, or do I?  Does it propagate?  I'm not sharing the config tree among different servers.

-----Original Message-----
>From: George Holbert <gholbert at broadcom.com>
>Sent: Mar 2, 2007 5:16 PM
>To: MJD Shop Account <mjdshop at earthlink.net>, "General discussion list for the Fedora Directory server project." <fedora-directory-users at redhat.com>
>Subject: Re: [Fedora-directory-users] not enough file descriptors
>
>What is the value of the "nsslapd-maxdescriptors" attribute on cn=config?
>
>MJD Shop Account wrote:
>> I have a problem with running out of file descriptors.  I get this repeating message periodically in the /opt/fedora-ds/slapd-<servername>/logs/errors file:
>> [02/Mar/2007:13:25:45 -0500] - Not listening for new connections - too many fds open
>> [02/Mar/2007:13:25:46 -0500] - Listening for new connections again
>> [02/Mar/2007:13:25:47 -0500] - Not listening for new connections - too many fds open
>> [02/Mar/2007:13:25:47 -0500] - Listening for new connections again
>> ...
>>
>> When this happens, the users cannot log in for long periods and get angry.  Imagine that.  I do have this in a multi-master configuration with a second master, which is different hardware and does not show this error.
>>
>> I read the tuning page http://directory.fedora.redhat.com/wiki/Performance_Tuning#Linux, which recommends updating the filedescriptors limit like so:
>> echo "64000" > /proc/sys/fs/file-max
>>
>> However mine is already well above that:
>> # cat /proc/sys/fs/file-max
>> 128456
>>
>> How much higher should I be setting it?  I am running RHEL 4 update 4, single Pentium III 1.4GHz processor, 1280MB of memory.
>>
>> I don't have any settinsg in sysctl.conf or /etc/security/limites for soft/hard limits, how do I tell what the defaults on soft/hard limits are?
>>
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>>
>>   
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