Re: problem with ceph and btrfs patch: set journal_info in async trans commit worker

Hi Miao, Am 15.11.2012 06:18, schrieb Miao Xie: Hi, Stefan On wed, 14 Nov 2012 14:42:07 +0100, Stefan Priebe - Profihost AG wrote: Hello list, i wanted to try out ceph with latest vanilla kernel 3.7-rc5. I was seeing a massive performance degration. I see around 22x btrfs-endio-write

problem with ceph and btrfs patch: set journal_info in async trans commit worker

Hello list, i wanted to try out ceph with latest vanilla kernel 3.7-rc5. I was seeing a massive performance degration. I see around 22x btrfs-endio-write processes every 10-20 seconds and they run a long time while consuming a massive amount of CPU. So my performance of 23.000 iops drops to

Re: problem with ceph and btrfs patch: set journal_info in async trans commit worker

Hi, Stefan On wed, 14 Nov 2012 14:42:07 +0100, Stefan Priebe - Profihost AG wrote: Hello list, i wanted to try out ceph with latest vanilla kernel 3.7-rc5. I was seeing a massive performance degration. I see around 22x btrfs-endio-write processes every 10-20 seconds and they run a long