Re: [ceph-users] btrfs backend with autodefrag mount option

2015-01-30 Thread Lionel Bouton
On 01/30/15 14:24, Luke Kao wrote: Dear ceph users, Has anyone tried to add autodefrag and mount option when use btrfs as the osd storage? In some previous discussion that btrfs osd startup becomes very slow after used for some time, just thinking about add autodefrag will help.

Re: [ceph-users] btrfs backend with autodefrag mount option

2015-01-30 Thread Luke Kao
:29 AM To: Luke Kao; ceph-us...@ceph.com Subject: Re: [ceph-users] btrfs backend with autodefrag mount option On 01/30/15 14:24, Luke Kao wrote: Dear ceph users, Has anyone tried to add autodefrag and mount option when use btrfs as the osd storage? In some previous discussion that btrfs osd

Re: [ceph-users] btrfs backend with autodefrag mount option

2015-01-30 Thread Mark Nelson
oops, mangled the first part of that reply a bit. Need my morning coffee. :) On 01/30/2015 07:56 AM, Mark Nelson wrote: About a year ago I was talking to j On 01/30/2015 07:24 AM, Luke Kao wrote: Dear ceph users, Has anyone tried to add autodefrag and mount option when use btrfs as the osd

Re: [ceph-users] btrfs backend with autodefrag mount option

2015-01-30 Thread Mark Nelson
About a year ago I was talking to j On 01/30/2015 07:24 AM, Luke Kao wrote: Dear ceph users, Has anyone tried to add autodefrag and mount option when use btrfs as the osd storage? Sort of. About a year ago I was looking into it, but Josef told me not to use either defrag or autodefrag.

[ceph-users] btrfs backend with autodefrag mount option

2015-01-30 Thread Luke Kao
Dear ceph users, Has anyone tried to add autodefrag and mount option when use btrfs as the osd storage? In some previous discussion that btrfs osd startup becomes very slow after used for some time, just thinking about add autodefrag will help. We will add on our test cluster first to see