- Original Message -
From: Mickaël Maillot mickael.mail...@gmail.com
same problem here after ~ 30 days with a production server and 2 SSD Intel
X25M as L2.
so we update and reboot the 8-STABLE server every month.
Old thread but also seeing this on 8.2-RELEASE so looks like this
may
- Original Message -
From: Artem Belevich a...@freebsd.org
No, there was no PR.
L2arc CPU hogging after ~24 days was fixed in r218180 in -HEAD and was
MFC'ed to 8-stable in r218429 early in February '11.
If you're using 8-RELEASE, upgrading to 8-STABLE would be something to
On Tue, Oct 11, 2011 at 2:34 AM, Steven Hartland
kill...@multiplay.co.uk wrote:
- Original Message - From: Mickaël Maillot
mickael.mail...@gmail.com
same problem here after ~ 30 days with a production server and 2 SSD Intel
X25M as L2.
so we update and reboot the 8-STABLE server
On Tue, Oct 11, 2011 at 10:21 AM, Steven Hartland
kill...@multiplay.co.uk wrote:
Thanks for the confirmation there Artem, we currently can't use 8-STABLE
due to the serious routing issue, seem like every packet generates a
RTM_MISS routing packet to be sent, which causes high cpu load.
- Original Message -
From: Artem Belevich a...@freebsd.org
On Tue, Oct 11, 2011 at 10:21 AM, Steven Hartland
kill...@multiplay.co.uk wrote:
Thanks for the confirmation there Artem, we currently can't use 8-STABLE
due to the serious routing issue, seem like every packet generates a
On Tue, Oct 11, 2011 at 1:17 PM, Steven Hartland
kill...@multiplay.co.uk wrote:
It's a bummer. If you can build your own kernel cherry-picking
following revisions may help with long-term stability:
r218429 - fixes original overflow causing CPU hogging by l2arc feeding
thread. It will keep you
On Wed, Nov 17, 2010 at 8:47 AM, Christer Solskogen
christer.solsko...@gmail.com wrote:
Will try to reboot server now to se if that has any impact.
It seems to have solved it. At least temporary.
--
chs,
___
freebsd-stable@freebsd.org mailing list
same problem here after ~ 30 days with a production server and 2 SSD Intel
X25M as L2.
so we update and reboot the 8-STABLE server every month.
2010/11/17 Christer Solskogen christer.solsko...@gmail.com
On Wed, Nov 17, 2010 at 8:47 AM, Christer Solskogen
christer.solsko...@gmail.com wrote:
On 11/16/10 08:16, Christer Solskogen wrote:
On Tue, Nov 16, 2010 at 1:30 AM, Brian Reichertreich...@numachi.com wrote:
On Mon, Nov 15, 2010 at 09:50:50PM +0100, Christer Solskogen wrote:
My load on my i7 920 is certainly higher when I add a 8GB usb stick as
a ZFS cache device.
USB 1.0?
On Tue, Nov 16, 2010 at 12:47 PM, Ivan Voras ivo...@freebsd.org wrote:
You can easily test it - use the stick as a simple disk device with UFS and
see how much CPU does it take simply to talk to the device.
See, that is why I think it is a ZFS issue. Because I did that.
I created a UFS
On Tue, Nov 16, 2010 at 01:15:32PM +0100, Christer Solskogen wrote:
On Tue, Nov 16, 2010 at 12:47 PM, Ivan Voras ivo...@freebsd.org wrote:
You can easily test it - use the stick as a simple disk device with UFS and
see how much CPU does it take simply to talk to the device.
See, that is
Quoting Christer Solskogen christer.solsko...@gmail.com (from Tue,
16 Nov 2010 13:15:32 +0100):
On Tue, Nov 16, 2010 at 12:47 PM, Ivan Voras ivo...@freebsd.org wrote:
You can easily test it - use the stick as a simple disk device with UFS and
see how much CPU does it take simply to talk to
On Tue, Nov 16, 2010 at 1:55 PM, Alexander Leidinger
alexan...@leidinger.net wrote:
How do you measure that nothing is read or written to it?
I used zpool iostat -v
Please check with
gstat -f '^DEVICE$'
if there are really no reads/writes to the device (please replace DEVICE
with the name
According to Christer Solskogen:
See, that is why I think it is a ZFS issue. Because I did that.
I created a UFS filesystem on the same usb stick. Mounted it and did a
dd if=/dev/zero of=/mnt/file.
The systemload goes +0.6 instead if +10.3.
Do not forget that everything that is read/written
On 16 November 2010 13:15, Christer Solskogen
christer.solsko...@gmail.com wrote:
On Tue, Nov 16, 2010 at 12:47 PM, Ivan Voras ivo...@freebsd.org wrote:
You can easily test it - use the stick as a simple disk device with UFS and
see how much CPU does it take simply to talk to the device.
On Tue, Nov 16, 2010 at 2:11 PM, Ollivier Robert
robe...@keltia.freenix.fr wrote:
According to Christer Solskogen:
See, that is why I think it is a ZFS issue. Because I did that.
I created a UFS filesystem on the same usb stick. Mounted it and did a
dd if=/dev/zero of=/mnt/file.
The
On Tue, Nov 16, 2010 at 04:53:57PM +0100, Christer Solskogen wrote:
On Tue, Nov 16, 2010 at 2:11 PM, Ollivier Robert
robe...@keltia.freenix.fr wrote:
According to Christer Solskogen:
See, that is why I think it is a ZFS issue. Because I did that.
I created a UFS filesystem on the same usb
Quoting Christer Solskogen christer.solsko...@gmail.com (from Tue,
16 Nov 2010 14:00:48 +0100):
On Tue, Nov 16, 2010 at 1:55 PM, Alexander Leidinger
alexan...@leidinger.net wrote:
How do you measure that nothing is read or written to it?
I used zpool iostat -v
zpool iostat (without -v)
On Tue, Nov 16, 2010 at 5:31 PM, Alexander Leidinger
alexan...@leidinger.net wrote:
Quoting Christer Solskogen christer.solsko...@gmail.com (from Tue, 16 Nov
2010 14:00:48 +0100):
On Tue, Nov 16, 2010 at 1:55 PM, Alexander Leidinger
alexan...@leidinger.net wrote:
How do you measure that
On Tue, Nov 16, 2010 at 5:01 PM, Jeremy Chadwick
free...@jdc.parodius.com wrote:
sysctl -a | grep vfs.zfs.arc
sysctl -a | grep vm.kmem
sysctl kstat.zfs.misc.arcstats
$ sysctl -a | grep vfs.zfs.arc
vfs.zfs.arc_meta_limit: 1342177280
vfs.zfs.arc_meta_used: 1319657696
vfs.zfs.arc_min: 671088640
On Tue, Nov 16, 2010 at 1:54 PM, Jeremy Chadwick
free...@jdc.parodius.com wrote:
Since you're running 8.1-RELEASE, can you please test this issue on
RELENG_8 (8.1-STABLE) and see if it exists there?
Sure, I could do that. 8.2-RELEASE isn't that far away, is it? But I
think that Alexander
On Tue, Nov 16, 2010 at 5:55 PM, Christer Solskogen
christer.solsko...@gmail.com wrote:
snip
Yesterday I installed 8.1-RELEASE on another machine, made a zpool and
added the same usb device as cache. That machine does not have same
issue as my other machine.
--
chs,
On Wed, Nov 17, 2010 at 7:46 AM, Christer Solskogen
christer.solsko...@gmail.com wrote:
On Tue, Nov 16, 2010 at 5:55 PM, Christer Solskogen
christer.solsko...@gmail.com wrote:
snip
Yesterday I installed 8.1-RELEASE on another machine, made a zpool and
added the same usb device as cache. That
On Mon, Nov 15, 2010 at 09:50:50PM +0100, Christer Solskogen wrote:
My load on my i7 920 is certainly higher when I add a 8GB usb stick as
a ZFS cache device.
USB 1.0? 2.0? Dunno even if that would make a difference...
--
Brian Reichert reich...@numachi.com
55
On Tue, Nov 16, 2010 at 1:30 AM, Brian Reichert reich...@numachi.com wrote:
On Mon, Nov 15, 2010 at 09:50:50PM +0100, Christer Solskogen wrote:
My load on my i7 920 is certainly higher when I add a 8GB usb stick as
a ZFS cache device.
USB 1.0? 2.0? Dunno even if that would make a
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