Re: [ceph-users] CephFS read IO caching, where it is happining?

2017-02-08 Thread Ahmed Khuraidah
ad::entry()+0xd) [0x556839c2280d] 18: (()+0x8184) [0x7f3070842184] 19: (clone()+0x6d) [0x7f306ed9637d] NOTE: a copy of the executable, or `objdump -rdS ` is needed to interpret this. On Wed, Feb 8, 2017 at 9:13 AM, Shinobu Kinjo wrote: > > > On Wed, Feb 8, 2017 at 3:05 PM, Ahmed Khuraidah

Re: [ceph-users] CephFS read IO caching, where it is happining?

2017-02-07 Thread Ahmed Khuraidah
:03 AM, Shinobu Kinjo wrote: > Are you using opensource Ceph packages or suse ones? > > On Sat, Feb 4, 2017 at 3:54 PM, Ahmed Khuraidah > wrote: > >> I Have opened ticket on http://tracker.ceph.com/ >> >> http://tracker.ceph.com/issues/18816 >> >>

Re: [ceph-users] CephFS read IO caching, where it is happining?

2017-02-03 Thread Ahmed Khuraidah
# uname -a Linux cephnode 4.4.38-93-default #1 SMP Wed Dec 14 12:59:43 UTC 2016 (2d3e9d4) x86_64 x86_64 x86_64 GNU/Linux Thanks On Fri, Feb 3, 2017 at 1:59 PM, John Spray wrote: > On Fri, Feb 3, 2017 at 8:07 AM, Ahmed Khuraidah > wrote: > > Thank you guys, > > > &g

Re: [ceph-users] CephFS read IO caching, where it is happining?

2017-02-03 Thread Ahmed Khuraidah
AM, Wido den Hollander wrote: > > > >> Op 2 februari 2017 om 15:35 schreef Ahmed Khuraidah < > abushi...@gmail.com>: > >> > >> > >> Hi all, > >> > >> I am still confused about my CephFS sandbox. > >> > >> When I

[ceph-users] CephFS read IO caching, where it is happining?

2017-02-02 Thread Ahmed Khuraidah
Hi all, I am still confused about my CephFS sandbox. When I am performing simple FIO test into single file with size of 3G I have too many IOps: cephnode:~ # fio payloadrandread64k3G test: (g=0): rw=randread, bs=64K-64K/64K-64K/64K-64K, ioengine=libaio, iodepth=2 fio-2.13 Starting 1 process test

Re: [ceph-users] Testing a node by fio - strange results to me

2017-01-22 Thread Ahmed Khuraidah
Lembke wrote: > Hi, > > I don't use mds, but I thinks it's the same like with rdb - the readed > data are cached on the OSD-nodes. > > The 4MB-chunks of the 3G-file fit completly in the cache, the other not. > > > Udo > > > On 18.01.2017 07:50, Ahmed

Re: [ceph-users] Testing a node by fio - strange results to me (Ahmed Khuraidah)

2017-01-20 Thread Ahmed Khuraidah
looking forward so read some good help here ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

[ceph-users] Testing a node by fio - strange results to me

2017-01-17 Thread Ahmed Khuraidah
Hello community, I need your help to understand a little bit more about current MDS architecture. I have created one node CephFS deployment and tried to test it by fio. I have used two file sizes of 3G and 320G. My question is why I have around 1k+ IOps when perform random reading from 3G file int