RE: Performance Comparison among EnhanceIO, bcache and dm-cache.

2013-07-02 Thread OS Engineering
>On Jun 11, 2013 11:06 AM, "OS Engineering" wrote: >> >> Hi Jens, >> >> In continuation with our previous communication, we have carried out >> performance comparison among EnhanceIO, bcache and dm-cache. >How reproducible are these results?  Any chance you could do 5-10 runs to get >the avg an

Re: Performance Comparison among EnhanceIO, bcache and dm-cache.

2013-06-17 Thread Joe Thornber
On Tue, Jun 11, 2013 at 03:05:07PM +, OS Engineering wrote: ... > Dm-cache commits on-disk metadata every time a REQ_SYNC or REQ_FUA > bio is written. If no such requests are made then it commits > metadata once every second. If power is lost, it may lose some > recent writes. Not true (thou

RE: Performance Comparison among EnhanceIO, bcache and dm-cache.

2013-06-12 Thread OS Engineering
alasubramaniyan; Amit Phansalkar > Subject: Re: Performance Comparison among EnhanceIO, bcache and dm- > cache. > > On Tuesday 11 Jun 2013, OS Engineering wrote: > > Hi Jens, > > > > In continuation with our previous communication, we have carried out > > pe

Re: Performance Comparison among EnhanceIO, bcache and dm-cache.

2013-06-11 Thread Amit Kale
On Tuesday 11 Jun 2013, OS Engineering wrote: > Hi Jens, > > In continuation with our previous communication, we have carried out > performance comparison among EnhanceIO, bcache and dm-cache. > > We found that EnhanceIO provides better throughput on zipf workload (with > theta=1.2) in comparison