Re: ZFS - abysmal performance with samba since upgrade to 8.2-RELEASE

2011-02-23 Thread Jeremy Chadwick
On Thu, Feb 24, 2011 at 08:30:17AM +0100, Damien Fleuriot wrote: > Hello list, > > I've recently upgraded my home box from 8.2-PRE to 8.2-RELEASE and since > then I've been experiencing *abysmal* performance with samba. > > We're talking transfer rates of say 50kbytes/s here, and I'm the only > c

ZFS - abysmal performance with samba since upgrade to 8.2-RELEASE

2011-02-23 Thread Damien Fleuriot
Hello list, I've recently upgraded my home box from 8.2-PRE to 8.2-RELEASE and since then I've been experiencing *abysmal* performance with samba. We're talking transfer rates of say 50kbytes/s here, and I'm the only client on the box. I've seen here and there discussions about sendfile's s

Re: FreeBSD 8.2 Release, ZFS + Samba, running out of memory

2011-02-23 Thread Adam Vande More
On Wed, Feb 23, 2011 at 5:59 PM, Jeremy Chadwick wrote: > Almost certainly Samba, but there is little-to-nothing one can do about > it. If you want to verify it's Samba, enable ftpd on your system and do > FTP transfers instead (do both a GET and a PUT for testing speed in both > directions). >

Re: FreeBSD 8.2 Release, ZFS + Samba, running out of memory

2011-02-23 Thread Jeremy Chadwick
On Thu, Feb 24, 2011 at 12:41:06AM +0100, Henner Heck wrote: > > Here are my testresults: > > *Disabling sendfile in smb.conf *(no patching yet) > - free memory drops to 570M and stays there > - copy speed from share 75MB/s, CPU load 50% > (why not 100% and higher speed?) See below. > *Patc

Re: FreeBSD 8.2 Release, ZFS + Samba, running out of memory

2011-02-23 Thread Henner Heck
Here are my testresults: *Disabling sendfile in smb.conf *(no patching yet) - free memory drops to 570M and stays there - copy speed from share 75MB/s, CPU load 50% (why not 100% and higher speed?) *Patched kernel with patch 218795* - without sendfile Copying works. - with sendfile

Re: em0 with latest driver hangs again and again (without "Watchdog timeout" message!)

2011-02-23 Thread Jack Vogel
Anyone in net and stable that wants it, limits blocked it, so send me personal email and I'll send to you. Jack On Wed, Feb 23, 2011 at 9:47 AM, Jack Vogel wrote: > Here is the 7.2.2 tarball. IMPORTANT: if you use this DO NOT try and put it > > into your kernel source tree, it will break that.

Re: 3TB disc and block alignment

2011-02-23 Thread Mark Felder
On Mon, 21 Feb 2011 10:16:37 -0600, Kurt Jaeger wrote: Hi! > Hmm, wasn't the issues with 3T drives, that they internally use > 4K blocks and emulate 512 and that therefore 8 block alignments > are an performance issue ? Hi guys, I'd just like to jump on this train real quick since I have

Re: em0 with latest driver hangs again and again (without "Watchdog timeout" message!)

2011-02-23 Thread Özkan KIRIK
Hi, How can we get 7.2.2. version of if_em driver ? I wanna test it. I can help you for testing changes to em drivers. Regards, Ozkan KIRIK On Wed, Feb 23, 2011 at 1:36 PM, Lev Serebryakov wrote: > Hello, Mike. > You wrote 23 февраля 2011 г., 14:16:28: > >>>   Driver from "em driver, 82574L

Re: em0 with latest driver hangs again and again (without "Watchdog timeout" message!)

2011-02-23 Thread Lev Serebryakov
Hello, Mike. You wrote 23 февраля 2011 г., 14:16:28: >> Driver from "em driver, 82574L chip, and possibly ASPM" thread >> doesn't help, really: it seems, that it decrease frequincy of hangs, > Looking at your sysctl output, you are not using the test drivers posted > in that thread. Yes, as i

Re: em0 with latest driver hangs again and again (without "Watchdog timeout" message!)

2011-02-23 Thread Mike Tancsa
On 2/23/2011 4:16 AM, Lev Serebryakov wrote: > Driver from "em driver, 82574L chip, and possibly ASPM" thread > doesn't help, really: it seems, that it decrease frequincy of hangs, Looking at your sysctl output, you are not using the test drivers posted in that thread. >>> sysctl dev.em.0 dev

em0 with latest driver hangs again and again (without "Watchdog timeout" message!)

2011-02-23 Thread Lev Serebryakov
Hello, Freebsd-net. It's me again, as problem is not solved and no "clear" answer was received. em0 NIC on my storage server hangs every several (2-3) days. Symptoms are simple: no packets can be send, mbufs are overfilled, "No buf space to send" error for any program. Configuration now

Re: 3TB disc and block alignment

2011-02-23 Thread perryh
Pete French wrote: > > Why may it hurt ? How may it hurt ? Which sector is written to > > by this 'gpart' command ? > > > > As far as I understand, GPT writes some stuff at the beginning > > and the end of the harddisk. > > Yup, this is true. > > > How/why will the newfs overwrite those parts ? >