em0 freezes on ZFS server

[Gerrit Kühn]

On Thu, 25 Feb 2010 14:59:28 -0800 Jack Vogel <jfvogel at gmail.com> wrote
about Re: em0 freezes on ZFS server:

JV> The failure to "setup receive structures" means it did not have
JV> sufficient mbufs
JV> to setup the RX ring and buffer structs.

I'm monitoring mbufs since I rebooted my server. Right now (after 2.5 hours
or so of operation) the number of total clusters has already increased to
15k. Is this a normal behaviour for a relatively idle server or will it
inevitably go through the roof in some more hours?


Every 1s: netstat -m                                    Fri Feb 26
13:14:54 2010

15001/2279/17280 mbufs in use (current/cache/total)
13970/1212/15182/64000 mbuf clusters in use (current/cache/total/max)
13970/750 mbuf+clusters out of packet secondary zone in use (current/cache)
0/119/119/12800 4k (page size) jumbo clusters in use
(current/cache/total/max) 0/0/0/6400 9k jumbo clusters in use
(current/cache/total/max) 0/0/0/3200 16k jumbo clusters in use
(current/cache/total/max) 31690K/3469K/35160K bytes allocated to network
(current/cache/total) 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf
+clusters) 0/0/0 requests for jumbo clusters denied (4k/9k/16k)
0/0/0 sfbufs in use (current/peak/max)
0 requests for sfbufs denied
0 requests for sfbufs delayed
3 requests for I/O initiated by sendfile
0 calls to protocol drain routines



cu
  Gerrit