Date: Fri, 18 Feb 2011 06:05:55 -0800 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Kirill Yelizarov <ykirill@yahoo.com> Cc: freebsd-stable@freebsd.org Subject: Re: NFS client over udp Message-ID: <20110218140555.GA58978@icarus.home.lan> In-Reply-To: <394966.92530.qm@web120520.mail.ne1.yahoo.com> References: <394966.92530.qm@web120520.mail.ne1.yahoo.com>
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On Fri, Feb 18, 2011 at 05:27:00AM -0800, Kirill Yelizarov wrote: > I have a reproducible memory leak when using nfs client with an old > nfs server using udp protocol. I'm running rsync every hour from a > mounted nfs volume to an ufs local volume. Each time rsync is running > wired memory is increased. Wired memory is rising when rsync is in > getblk or biord state. When rsync is complete memory is not freed and > lately all memory is in active or wired state and system starts > swapping. I didn't see such behavior when client os was RELEASE-8.0. > Then i switched to STABLE-8.1 of late summer and found this leak so i > upgraded to STABLE-8.2Prerelease and got the same leak. vmstat -m > shows nothing big. > > client version: FreeBSD imap1.***.com 8.2-PRERELEASE FreeBSD > 8.2-PRERELEASE #0: Thu Feb 17 13:54:25 MSK 2011 > root@imap1.****.com:/usr/obj/usr/src/sys/IMAP1 amd64 > > i tried different mounting options: 1 - > rw,rsize=32768,wsize=32768,nfsv3,intr,mntudp,rdirplus, > readdirsize=65536,noauto,noexec 2 - rw,nfsv3,mntudp,noexec > > i also tried setting -tso -txcsum -rxcsum for igb network card Is ZFS in use on the system which sees rising wired memory? -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP 4BD6C0CB |
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