Re: [ceph-users] About Ceph Cache Tier parameters

2015-05-07 Thread Nick Fisk
> -Original Message- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > GODIN Vincent (SILCA) > Sent: 07 May 2015 11:13 > To: ceph-users@lists.ceph.com > Subject: [ceph-users] About Ceph Cache Tier parameters > > Hi, > > In C

[ceph-users] About Ceph Cache Tier parameters

2015-05-07 Thread GODIN Vincent (SILCA)
Hi, In Cache Tier parameters, there is nothing to tell the cache to flush dirty objects on cold storage when the cache is under-utilized (as far as you 're under the "cache_target_dirty_ratio", it's look like dirty objects can be keeped in the cache for years). That is to say that the flush