Date: Thu, 14 Oct 1999 16:38:24 -0400 From: Dave Hummel <dhummel@rtheory.com> To: questions@freebsd.org Subject: nmbclusters and netstat -m Message-ID: <38063F40.1F302DD9@rtheory.com>
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Searched the mailing list, but I just don't get it:
How do I interpret the output of netstat -m? The following example makes
it confusing (all from 3.3 Stable)
nmbclusters is supposed to equal 512+MAXUSERSx16, so the first example
actually reduces nmbclusters from the default :
Example: maxusers=256, nmbclusters set to 4096
%netstat -m
68/416 mbufs in use:
65 mbufs allocated to data
3 mbufs allocated to packet headers
64/182/4096 mbuf clusters in use (current/peak/max)
416 Kbytes allocated to network (32% in use)
0 requests for memory denied
0 requests for memory delayed
0 calls to protocol drain routines
Same Machine: maxusers=512, nmbclusters not explicitly set
%netstat -m
68/128 mbufs in use:
65 mbufs allocated to data
3 mbufs allocated to packet headers
64/68/8704 mbuf clusters in use (current/peak/max)
152 Kbytes allocated to network (89% in use)
0 requests for memory denied
0 requests for memory delayed
0 calls to protocol drain routines
I will stick with this one example because it is very representative of
what I have found.
With the exception of max mbuf clusters in use my my numbers are lower
when I would expect them to be higher:
68/128 mbufs in use: <- I would expect this to mean 68 in use out of
128 total, but this can't be right.
152 Kbytes allocated to network (89% in use) <- Why fewer? What does
this really mean?
Thanks,
Dave
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