Date: Wed, 4 Jan 2006 23:43:57 -0500 From: David Gilbert <dgilbert@dclg.ca> To: Francisco Reyes <lists@stringsutils.com> Cc: FreeBSD ISP <freebsd-isp@freebsd.org>, David Gilbert <dgilbert@dclg.ca> Subject: Re: FreeBSD +NFS + mail services Message-ID: <17340.41997.290075.251660@canoe.dclg.ca> In-Reply-To: <cone.1136401744.131083.65830.1000@zoraida.natserv.net> References: <cone.1136336702.793300.48688.1000@zoraida.natserv.net> <17339.61532.649959.1059@canoe.dclg.ca> <cone.1136401744.131083.65830.1000@zoraida.natserv.net>
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>>>>> "Francisco" == Francisco Reyes <lists@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. -- ============================================================================ |David Gilbert, Independent Contractor. | Two things can be | |Mail: dave@daveg.ca | equal if and only if they | |http://daveg.ca | are precisely opposite. | =========================================================GLO================
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