Re: [ceph-users] Uniform distribution

2015-01-09 Thread Gregory Farnum
100GB objects (or ~40 on a hard drive!) are way too large for you to get an effective random distribution. -Greg On Thu, Jan 8, 2015 at 5:25 PM, Mark Nelson mark.nel...@inktank.com wrote: On 01/08/2015 03:35 PM, Michael J Brewer wrote: Hi all, I'm working on filling a cluster to near

Re: [ceph-users] Uniform distribution

2015-01-09 Thread Mark Nelson
I didn't actually calculate the per-OSD object density but yes, I agree that will hurt. On 01/09/2015 12:09 PM, Gregory Farnum wrote: 100GB objects (or ~40 on a hard drive!) are way too large for you to get an effective random distribution. -Greg On Thu, Jan 8, 2015 at 5:25 PM, Mark Nelson

[ceph-users] Uniform distribution

2015-01-08 Thread Michael J Brewer
Hi all, I'm working on filling a cluster to near capacity for testing purposes. Though I'm noticing that it isn't storing the data uniformly between OSDs during the filling process. I currently have the following levels: Node 1: /dev/sdb1 3904027124 2884673100 1019354024

Re: [ceph-users] Uniform distribution

2015-01-08 Thread Mark Nelson
On 01/08/2015 03:35 PM, Michael J Brewer wrote: Hi all, I'm working on filling a cluster to near capacity for testing purposes. Though I'm noticing that it isn't storing the data uniformly between OSDs during the filling process. I currently have the following levels: Node 1: /dev/sdb1

Re: [ceph-users] Uniform distribution

2015-01-08 Thread Christian Balzer
On Thu, 8 Jan 2015 15:35:22 -0600 Michael J Brewer wrote: Hi all, I'm working on filling a cluster to near capacity for testing purposes. Though I'm noticing that it isn't storing the data uniformly between OSDs during the filling process. I currently have the following levels: