After digging a lot, I have found that IB cards and switch may went to
``bad'' state after host` load spike, so I have limited all
potentially cpu-hungry processes via cg. That`s has no effect at all,
spikes happens almost at same time when osds on the corresponding host
went down as ``wrongly
On Sat, Jan 12, 2013 at 2:57 PM, Chen, Xiaoxi xiaoxi.c...@intel.com wrote:
Hi list,
For a rbd write request, Ceph need to do 3 writes:
2013-01-10 13:10:15.539967 7f52f516c700 10 filestore(/data/osd.21)
_do_transaction on 0x327d790
2013-01-10 13:10:15.539979 7f52f516c700 15
Hi Xiaoxi and Zheng,
We've played with both of these some internally, but not for a
production deployment. Mostly just for diagnosing performance problems.
It's been a while since I last played with this, but I hadn't seen a
whole lot of performance improvements at the time. That may have
Hi Zheng，
I have put XFS log to a separate disk, indeed it provide some
performance gain but not that significant.
Ceph's metadata is somehow separate(it's some files reside in OSD's
disk), therefore,it cannot be helped by neither XFS journal log nor OSD's
journal.That's why I
Am 11.01.2013 06:13, schrieb Gary Lowell:
[...]
Thanks Danny. Installing sharutils solved that minor issue. We now
get though the build just fine on opensuse 12, but sles 11sp2 gives
more warnings (pasted below). Should we be using a newer version of
autoconf on sles? I've tried moving
