Re: cephfs kernel client io performance decreases extremely

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Quoting renjianxinlover (renjianxinlover@xxxxxxx):
> HI, Nathan, thanks for your quick reply!
> comand 'ceph status' outputs warning including about ten clients failing to respond to cache pressure;
> in addition, in mds node, 'iostat -x 1' shows drive io usage of mds within five seconds as follow,

You should run this iostat -x 1 on the OSD nodes ... MDS is not doing
any IO in and of itself as far as Ceph is concerned.

Gr. Stefan


-- 
| BIT BV  https://www.bit.nl/        Kamer van Koophandel 09090351
| GPG: 0xD14839C6                   +31 318 648 688 / info@xxxxxx
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux