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
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
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
>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