What are your pool settings? That can affect your read/write speeds as much as anything in the ceph.conf file.
On Mon, Jul 17, 2017, 4:55 PM Gencer Genç <[email protected]> wrote: > I don't think so. > > Because I tried one thing a few minutes ago. I opened 4 ssh channel and > run rsync command and copy bigfile to different targets in cephfs at the > same time. Then i looked into network graphs and i see numbers up to > 1.09 gb/s. But why single copy/rsync cannot exceed 200mb/s? What > prevents it im really wonder this. > > Gencer. > > > -----Original Message----- > From: Patrick Donnelly [mailto:[email protected]] > Sent: 17 Temmuz 2017 Pazartesi 23:21 > To: [email protected] > Cc: Ceph Users <[email protected]> > Subject: Re: [ceph-users] Yet another performance tuning for CephFS > > On Mon, Jul 17, 2017 at 1:08 PM, <[email protected]> wrote: > > But lets try another. Lets say i have a file in my server which is 5GB. > If i > > do this: > > > > $ rsync ./bigfile /mnt/cephfs/targetfile --progress > > > > Then i see max. 200 mb/s. I think it is still slow :/ Is this an > expected? > > Perhaps that is the bandwidth limit of your local device rsync is reading > from? > > -- > Patrick Donnelly > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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