FreeBSD +NFS + mail services
David Gilbert
dgilbert at dclg.ca
Wed Jan 4 20:44:14 PST 2006
>>>>> "Francisco" == Francisco Reyes <lists at stringsutils.com> writes:
Francisco> David Gilbert writes:
>> remaining processes have little or none. As more of your NFS
>> processes are charged for time, you may want to increase the number
>> you run. FreeBSD seems to run more client daemons dynamically, so
>> you only need to worry about the number of server daemons you run.
Francisco> I have the following on a machine: ps aux|head -n 1|ps auxw
Francisco> |grep nfs root 317 0.0 0.0 0 8 ?? DL 12:47PM 0:00.41
Francisco> [nfsiod 0] root 318 0.0 0.0 0 8 ?? DL 12:47PM 0:00.31
Francisco> [nfsiod 1] root 319 0.0 0.0 0 8 ?? DL 12:47PM 0:00.19
Francisco> [nfsiod 2] root 320 0.0 0.0 0 8 ?? DL 12:47PM 0:00.12
Francisco> [nfsiod 3] root 2316 0.0 0.0 0 8 ?? DL 1:17PM 0:00.06
Francisco> [nfsiod 4] root 2317 0.0 0.0 0 8 ?? DL 1:17PM 0:00.04
Francisco> [nfsiod 5] root 5486 0.0 0.0 0 8 ?? SL 1:39PM 0:00.02
Francisco> [nfsiod 6] root 5637 0.0 0.0 0 8 ?? SL 1:39PM 0:00.01
Francisco> [nfsiod 7] root 5638 0.0 0.0 0 8 ?? SL 1:39PM 0:00.01
Francisco> [nfsiod 8] root 6563 0.0 0.0 0 8 ?? SL 1:46PM 0:00.01
Francisco> [nfsiod 9] root 6564 0.0 0.0 0 8 ?? SL 1:46PM 0:00.00
Francisco> [nfsiod 10] root 6565 0.0 0.0 0 8 ?? IL 1:46PM 0:00.00
Francisco> [nfsiod 11] root 6566 0.0 0.0 0 8 ?? IL 1:46PM 0:00.00
Francisco> [nfsiod 12] root 6567 0.0 0.0 0 8 ?? IL 1:46PM 0:00.00
Francisco> [nfsiod 13] root 7089 0.0 0.0 0 8 ?? IL 1:51PM 0:00.00
Francisco> [nfsiod 14] root 7090 0.0 0.0 0 8 ?? IL 1:51PM 0:00.00
Francisco> [nfsiod 15] root 7091 0.0 0.0 0 8 ?? IL 1:51PM 0:00.00
Francisco> [nfsiod 16] root 7092 0.0 0.0 0 8 ?? IL 1:51PM 0:00.00
Francisco> [nfsiod 17] root 7093 0.0 0.0 0 8 ?? IL 1:51PM 0:00.00
Francisco> [nfsiod 18] root 7095 0.0 0.0 0 8 ?? IL 1:51PM 0:00.00
Francisco> [nfsiod 19]
Francisco> It seems that for the most part most of those nfs clients
Francisco> are not used. I then wonder why they were started.
Francisco> What would be the impact on setting the upper limit of
Francisco> clients to 10? Specially on a case like the above it
Francisco> doesn't seem like 20 were needed to begin with..
It does seem like most of them arn't used. I'd say your number is
somewhere between 4 and 8, but considering that these are just kernel
threads, having 20 around may not be costing you enough to worry.
Certainly, you don't require more.
Francisco> Also, on the server how does one change the number of
Francisco> running server daemons? Only way I found was to kill all
Francisco> nfsd daemons and start it with the new number of
Francisco> clients.. there must be a better way (I sure hope so).
Now... this could be memory from other versions of UNIX showing up,
but I seem to remember running nfsd with a larger -n argument starting
mroe daemons ... but that might not be FreeBSD. The server side is
certainly less dynamic.
Dave.
--
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|David Gilbert, Independent Contractor. | Two things can be |
|Mail: dave at daveg.ca | equal if and only if they |
|http://daveg.ca | are precisely opposite. |
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