kern/144330: [nfs] mbuf leakage in nfsd with zfs

[Kai Kockro]

The following reply was made to PR kern/144330; it has been noted by GNATS.

From: Kai Kockro <kkockro at web.de>
To: bug-followup at freebsd.org,
 gerrit at pmp.uni-hannover.de
Cc:  
Subject: Re: kern/144330: [nfs] mbuf leakage in nfsd with zfs
Date: Wed, 17 Mar 2010 11:43:51 +0100

 Hi,
 
 same problem here.
 
 
 netstat -m ( after 6 days )
 140889/35376/176265 mbufs in use (current/cache/total)
 139381/4689/144070/262144 mbuf clusters in use (current/cache/total/max)
 137206/3594 mbuf+clusters out of packet secondary zone in use (current/cache)
 2/245/247/131072 4k (page size) jumbo clusters in use 
 (current/cache/total/max)
 0/0/0/65536 9k jumbo clusters in use (current/cache/total/max)
 0/0/0/32768 16k jumbo clusters in use (current/cache/total/max)
 313992K/19202K/333194K 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
 0 requests for I/O initiated by sendfile
 0 calls to protocol drain routines
 
 Its a NFS exportet ZPOOL ( 14TB, 40 clients, no UDP mounts ).
 
 #uname -a
 FreeBSD xxxx 8.0-STABLE FreeBSD 8.0-STABLE #0: Fri Feb 12 03:27:54 CET 2010     
 root at xxxx:/usr/obj/usr/src/sys/GENERIC  amd64
 
 
 #cat /boot/loader.conf
 kern.maxdsiz="3G"
 kern.maxssiz="2G"
 
 vfs.zfs.prefetch_disable="1"
 kern.ipc.nmbclusters="262144"