Date: Sun, 21 Jul 2002 20:54:30 -0700 (PDT) From: Kip Macy <kip_macy@yahoo.com> To: Alexander Maret <maret@atrada.net>, "'freebsd-stable@freebsd.org'" <freebsd-stable@freebsd.org> Subject: Re: AW: mbuf clusters behavior (NMBCLUSTERS) Message-ID: <20020722035430.82815.qmail@web14006.mail.yahoo.com> In-Reply-To: <58A002A02C5ED311812E0050044517F00D2860@erlangen01.atrada.de>
next in thread | previous in thread | raw e-mail | index | archive | help
I hope someone else has already responded, but just in case: Try using NFSV3,TCP mounts. FreeBSD can sometimes get overloaded trying to reassemble Linux's UDP jumbograms. --- Alexander Maret <maret@atrada.net> wrote: > > -----Ursprungliche Nachricht----- > > Von: naoyuki_tai@mac.com > [mailto:naoyuki_tai@mac.com] > > > > When I copy a 500M file (like iso image) from the > workstation to the > > server, the server starts to emit: > > > > Jul 12 09:28:54 nile /kernel: All mbuf clusters > exhausted, > > please see tuning(7). > > I'm getting the same error here with 4.6-R. > > > So, I bumped up the nmbclusters to > kern.ipc.nmbclusters=65536 > > I allocated 128Mbytes to the mbuf clusters, hoping > that it is > > big enough. > > But, it still shows that the same > > > > All mbuf clusters exhausted, please see tuning(7). > > The same for me. > > > > How can I prevent this "mbuf clusters exhaustion"? > > I would be interested in an answer, too. > > > > Relating to this, I do not understand why that the > mbuf clusters > > are not freed fast enough. I watched "top" and it > does seem to be > > that CPU is not exhausted. > > After all, I'm copying less than 10Mbyte/sec, > probably 6 - 7 Mbytes > > at most. > > Hard disk is a Seagate ATA/IV 60Gbyte.The drive is > hooked up to a > > Promise PCI ATA/UDMA 100 controller card. > > bonnie shows that it can sustain 15M - 20M bytes > read/write. > > I'm trying to copy data from an 1GHZ Mobile PIII > Linux installation > with IDE disks to an AMD Athlon 700 FBSD 4.6-R > installation with > Ultra 160 SCSI disks over NFS. I'm wondering too why > the FreeBSD box can't > cope with my lousy linux installation. Didn't have > time to investigate > though. > > > > Is there anything I can try? > > > Greetings, > Alex > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the > message > > __________________________________________________ Do You Yahoo!? Yahoo! Health - Feel better, live better http://health.yahoo.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020722035430.82815.qmail>