Re: [ceph-users] rbd cache on full ssd cluster

2016-03-16 Thread Christian Balzer
Hello, On Tue, 15 Mar 2016 12:00:24 +0200 Yair Magnezi wrote: > Thanks Christian . > > Still > > "So yes, your numbers are normal for single client, low depth reads, as > many threads in this ML confirm." > > we're facing very high latency ( i expect much less latency from ssd > cluster ) :

Re: [ceph-users] rbd cache on full ssd cluster

2016-03-15 Thread Yair Magnezi
Thanks Christian . Still "So yes, your numbers are normal for single client, low depth reads, as many threads in this ML confirm." we're facing very high latency ( i expect much less latency from ssd cluster ) : clat percentiles (usec): | 1.00th=[ 350], 5.00th=[ 390], 10.00th=[ 414]

Re: [ceph-users] rbd cache on full ssd cluster

2016-03-14 Thread Christian Balzer
Hello, On Mon, 14 Mar 2016 15:51:11 +0200 Yair Magnezi wrote: > On Fri, Mar 11, 2016 at 2:01 AM, Christian Balzer wrote: > > > > > Hello, > > > > As alway there are many similar threads in here, googling and reading > > up stuff are good for you. > > > > On Thu, 10 Mar 2016 16:55:03 +0200 Yair

Re: [ceph-users] rbd cache on full ssd cluster

2016-03-14 Thread Yair Magnezi
On Fri, Mar 11, 2016 at 2:01 AM, Christian Balzer wrote: > > Hello, > > As alway there are many similar threads in here, googling and reading up > stuff are good for you. > > On Thu, 10 Mar 2016 16:55:03 +0200 Yair Magnezi wrote: > > > Hello Cephers . > > > > I wonder if anyone has some experienc

Re: [ceph-users] rbd cache on full ssd cluster

2016-03-10 Thread Yair Magnezi
Hello Christian . I'm here because i've done this already...tried everything that was suggested , still can't see the any improvement. On Mar 11, 2016 2:01 AM, "Christian Balzer" wrote: > > Hello, > > As alway there are many similar threads in here, googling and reading up > stuff are good for y

Re: [ceph-users] rbd cache on full ssd cluster

2016-03-10 Thread Christian Balzer
Hello, As alway there are many similar threads in here, googling and reading up stuff are good for you. On Thu, 10 Mar 2016 16:55:03 +0200 Yair Magnezi wrote: > Hello Cephers . > > I wonder if anyone has some experience with full ssd cluster . > We're testing ceph ( "firefly" ) with 4 nodes (

[ceph-users] rbd cache on full ssd cluster

2016-03-10 Thread Yair Magnezi
Hello Cephers . I wonder if anyone has some experience with full ssd cluster . We're testing ceph ( "firefly" ) with 4 nodes ( supermicro SYS-F628R3-R72BPT ) * 1TB SSD , total of 12 osds . Our network is 10 gig . We used the ceph_deploy for installation with all defaults ( followed ceph documen