Re: [ceph-users] Cephfs meta data pool to ssd and measuring performance difference

2018-08-03 Thread Linh Vu
Try IOR mdtest for metadata performance. From: ceph-users on behalf of Marc Roos Sent: Friday, 3 August 2018 7:49:13 PM To: dcsysengineer Cc: ceph-users Subject: Re: [ceph-users] Cephfs meta data pool to ssd and measuring performance difference I have moved

Re: [ceph-users] Cephfs meta data pool to ssd and measuring performance difference

2018-08-03 Thread Marc Roos
nt: maandag 30 juli 2018 14:23 To: Marc Roos Cc: ceph-users Subject: Re: [ceph-users] Cephfs meta data pool to ssd and measuring performance difference Something like smallfile perhaps? https://github.com/bengland2/smallfile Or you just time creating/reading lots of files With read benching you

Re: [ceph-users] Cephfs meta data pool to ssd and measuring performance difference

2018-07-30 Thread David C
Something like smallfile perhaps? https://github.com/bengland2/smallfile Or you just time creating/reading lots of files With read benching you would want to ensure you've cleared your mds cache or use a dataset larger than the cache. I'd be interested in seeing your results, I this on the to

[ceph-users] Cephfs meta data pool to ssd and measuring performance difference

2018-07-25 Thread Marc Roos
>From this thread, I got how to move the meta data pool from the hdd's to the ssd's. https://www.spinics.net/lists/ceph-users/msg39498.html ceph osd pool get fs_meta crush_rule ceph osd pool set fs_meta crush_rule replicated_ruleset_ssd I guess this can be done on a live system? What would