Re: [ceph-users] Predict performance

2015-10-02 Thread Lionel Bouton
Hi, Le 02/10/2015 18:15, Christian Balzer a écrit : > Hello, > On Fri, 2 Oct 2015 15:31:11 +0200 Javier C.A. wrote: > > Firstly, this has been discussed countless times here. > For one of the latest recurrences, check the archive for: > > "calculating maximum number of disk and node failure that c

Re: [ceph-users] Predict performance

2015-10-02 Thread Christian Balzer
uster, you know Thanks again.J > See the next mail. > > Date: Fri, 2 Oct 2015 17:16:21 +0900 > > From: ch...@gol.com > > To: ceph-users@lists.ceph.com > > CC: magicb...@hotmail.com > > Subject: Re: [ceph-users] Predict performance > > > > > >

Re: [ceph-users] Predict performance

2015-10-02 Thread Christian Balzer
From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf > > Of Javier C.A. Sent: 02 October 2015 09:58 > > To: ceph-users@lists.ceph.com > > Subject: Re: [ceph-users] Predict performance > > > > Christian > > > > thank you so much for your a

Re: [ceph-users] Predict performance

2015-10-02 Thread Javier C . A .
> Date: Fri, 2 Oct 2015 17:16:21 +0900 > > From: ch...@gol.com > > To: ceph-users@lists.ceph.com > > CC: magicb...@hotmail.com > > Subject: Re: [ceph-users] Predict performance > > > > > > Hello, > > > > More line breaks, formatting. > > A w

Re: [ceph-users] Predict performance

2015-10-02 Thread Simon Hallam
-users@lists.ceph.com Subject: Re: [ceph-users] Predict performance Christian thank you so much for your answer. You're right, when I say Performance, I actually mean the "classic FIO test". Regarding the CPU, you meant 2Ghz per OSD and per CPU CORE, isn't? One last qu

Re: [ceph-users] Predict performance

2015-10-02 Thread Javier C . A .
r of 2, is it really risky? This won't be a critical cluster, but neither is a lab/test cluster, you know Thanks again.J > Date: Fri, 2 Oct 2015 17:16:21 +0900 > From: ch...@gol.com > To: ceph-users@lists.ceph.com > CC: magicb...@hotmail.com > Subject: Re: [ceph-users] Pred

Re: [ceph-users] Predict performance

2015-10-02 Thread Christian Balzer
Hello, More line breaks, formatting. A wall of text makes people less likely to read things. On Fri, 2 Oct 2015 07:08:29 + Javier C.A. wrote: > Hello > Before posting this message, I've been reading older posts in the > mailing list, but I didn't get any clear answer. Define performa

[ceph-users] Predict performance

2015-10-02 Thread Javier C . A .
Hello Before posting this message, I've been reading older posts in the mailing list, but I didn't get any clear answer. I happen to have three servers available to test Ceph, and I would like to know if there is any kind of "performance prediction formula". -My OSD servers are: - 1 x Intel