On Fri, Sep 5, 2014 at 5:46 PM, Dan Van Der Ster <daniel.vanderster at cern.ch> wrote: >> On 05 Sep 2014, at 03:09, Christian Balzer <chibi at gol.com> wrote: >> You might want to look into cache pools (and dedicated SSD servers with >> fast controllers and CPUs) in your test cluster and for the future. >> Right now my impression is that there is quite a bit more polishing to be >> done (retention of hot objects, etc) and there have been stability concerns >> raised here. > > Right, Greg already said publicly not to use the cache tiers for RBD. I lost the context for this statement you reference from Greg (presumably Greg Farnum?) - was it a reference to bcache or Ceph cache tiering? Could you point me to where it was stated please.
 |