Tuning FreeBSD

[Derek Ragona]

You can just set the value in /boot/loader.conf such as:

kern.maxusers="50"

and reboot

         -Derek

At 03:35 PM 8/19/2006, Lisa Casey wrote:
>Hi Folksm
>
>I'm getting these on a FreeBSD 5.3 box:
>
>Aug 19 15:46:32 radius sm-mta[12850]: k7JJk1rt012776: SYSERR(UID0): fill_fd:
>disconnect: cannot open /dev/null:
>  Too many open files in system
>Aug 19 15:46:40 radius kernel: kern.maxfiles limit exceeded by uid 0, please
>see tuning(7).
>Aug 19 15:46:40 radius kernel: kern.maxfiles limit exceeded by uid 0, please
>see tuning(7).
>Aug 19 15:46:35 radius sm-mta[12784]: k7JJk7F0012784: SYSERR(UID0): queueup:
>cannot create queue file ./qfk7JJk
>7F0012784, euid=0, fd=-1, fp=0x0: Too many open files in system
>
>I checked, and the system shows:
>
>radius# sysctl kern.maxfiles
>kern.maxfiles: 1416
>radius# sysctl kern.maxusers
>kern.maxusers: 43
>
>I googled and read that kern.maxfiles is dependent upon kern.maxusers and
>that I shou;d raise maxusers which I tried to do via sysctl:
>radius# sysctl -w kern.maxusers=50
>sysctl: oid 'kern.maxusers' is a read only tunable
>sysctl: Tunable values are set in /boot/loader.conf
>
>My /boot/loader.conf is a zero byte length file.
>
>How can I fix this too many open files problem?
>
>Thanks,
>
>Lisa Casey
>
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