Re: BTRFS Benchmarking

2012-05-07 Thread Olivier Doucet
Not what I've been seeing at all, but we've been working a lot in this area recently.  Please retest with btrfs-next.  Thanks, Hi, I tested again with kernel 3.3.4 ; I wondered if latest btrfs code is present in this release or not. Results are very similar with 3.3.4 compared to 3.3.0

Re: BTRFS Benchmarking

2012-05-07 Thread Josef Bacik
On Mon, May 07, 2012 at 08:42:45PM +0200, Olivier Doucet wrote: Not what I've been seeing at all, but we've been working a lot in this area recently.  Please retest with btrfs-next.  Thanks, Hi, I tested again with kernel 3.3.4 ; I wondered if latest btrfs code is present in this

Re: BTRFS Benchmarking

2012-05-04 Thread Josef Bacik
On Fri, May 04, 2012 at 06:03:50PM +0200, Olivier Doucet wrote: hello everyone, I made an overall benchmark of BTRFS against EXT4 and XFS. I'm quite unhappy with BTRFS results, so maybe tuning was not perfect. http://www.slideshare.net/ezameku/btrfs-benchmark All data is vectorial, so

Re: BTRFS Benchmarking

2012-05-04 Thread cwillu
On Fri, May 4, 2012 at 10:07 AM, Josef Bacik jo...@redhat.com wrote: On Fri, May 04, 2012 at 06:03:50PM +0200, Olivier Doucet wrote: hello everyone, I made an overall benchmark of BTRFS against EXT4 and XFS. I'm quite unhappy with BTRFS results, so maybe tuning was not perfect.

Re: BTRFS Benchmarking

2012-05-04 Thread Hugo Mills
On Fri, May 04, 2012 at 06:03:50PM +0200, Olivier Doucet wrote: hello everyone, I made an overall benchmark of BTRFS against EXT4 and XFS. I'm quite unhappy with BTRFS results, so maybe tuning was not perfect. http://www.slideshare.net/ezameku/btrfs-benchmark All data is vectorial, so

Re: BTRFS Benchmarking

2012-05-04 Thread Olivier Doucet
Hi, I uploaded the PDF on Dropbox that does not require login https://www.dropbox.com/s/5i8l0kmdutxj6pb/sysbench-sas3t-btrfs1.pdf   Can you tell us what the unit of the Y-axis is? Is it MB/s or IOPs or time for a fixed amount data or... ? Unit is MB/s ; For each test, I gather speed every