[ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-24 Thread Haomai Wang
Hi all, For Emperor blueprint( http://wiki.ceph.com/01Planning/02Blueprints/Emperor/Add_LevelDB_support_to_ceph_cluster_backend_store ), I'm sorry to delay the progress. Now, I have done the most of the works for the blueprint's goal. Because of sage's F blueprint( http://wiki.ceph.com/index.php?t

Re: [ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-24 Thread Mark Nelson
Great Work! This is very exciting! Did you happen to try RADOS bench at different object sizes and concurrency levels? Mark On 11/24/2013 03:01 AM, Haomai Wang wrote: Hi all, For Emperor blueprint(http://wiki.ceph.com/01Planning/02Blueprints/Emperor/Add_LevelDB_support_to_ceph_cluster_backen

Re: [ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-24 Thread Haomai Wang
On Mon, Nov 25, 2013 at 2:17 AM, Mark Nelson wrote: > Great Work! This is very exciting! Did you happen to try RADOS bench at > different object sizes and concurrency levels? > > Maybe can try it later. :-) > Mark > > > On 11/24/2013 03:01 AM, Haomai Wang wrote: > >> Hi all, >> >> For Emperor >

Re: [ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-25 Thread Sebastien Han
Nice job Haomai! Sébastien Han Cloud Engineer "Always give 100%. Unless you're giving blood.” Phone: +33 (0)1 49 70 99 72 Mail: sebastien@enovance.com Address : 10, rue de la Victoire - 75009 Paris Web : www.enovance.com - Twitter : @enovance On 25 Nov 2013, at 02:50, Haomai Wa

Re: [ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-26 Thread Sebastien Han
Hi Sage, If I recall correctly during the summit you mentioned that it was possible to disable the journal. Is it still part of the plan? Sébastien Han Cloud Engineer "Always give 100%. Unless you're giving blood.” Phone: +33 (0)1 49 70 99 72 Mail: sebastien@enovance.com Address

Re: [ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-26 Thread Mark Nelson
I'm curious about this too. With a leveldb backend, how would we invoke leveldb to get around our current journaling requirements? On 11/26/2013 05:06 PM, Sebastien Han wrote: Hi Sage, If I recall correctly during the summit you mentioned that it was possible to disable the journal. Is it sti

Re: [ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-26 Thread Sage Weil
On Wed, 27 Nov 2013, Sebastien Han wrote: > Hi Sage, > If I recall correctly during the summit you mentioned that it was possible to > disable the journal. > Is it still part of the plan? For the kv backend, yeah, since the key/value store will handle making things transactional. Haomai, I stil

Re: [ceph-users] LevelDB Backend For Ceph OSD Preview

2013-11-26 Thread Haomai Wang
On Wed, Nov 27, 2013 at 7:39 AM, Sage Weil wrote: > On Wed, 27 Nov 2013, Sebastien Han wrote: > > Hi Sage, > > If I recall correctly during the summit you mentioned that it was > possible to disable the journal. > > Is it still part of the plan? > > For the kv backend, yeah, since the key/value s