Re: More Large blocksize benchmarks

2007-10-16 Thread Chris Mason
On Tue, 2007-10-16 at 12:36 +1000, David Chinner wrote: > On Mon, Oct 15, 2007 at 08:22:31PM -0400, Chris Mason wrote: > > Hello everyone, > > > > I'm stealing the cc list and reviving and old thread because I've > > finally got some numbers to go along with the Btrfs variable blocksize > > featur

Re: More Large blocksize benchmarks

2007-10-15 Thread David Chinner
On Mon, Oct 15, 2007 at 08:22:31PM -0400, Chris Mason wrote: > Hello everyone, > > I'm stealing the cc list and reviving and old thread because I've > finally got some numbers to go along with the Btrfs variable blocksize > feature. The basic idea is to create a read/write interface to > map a ra

Re: More Large blocksize benchmarks

2007-10-15 Thread Christoph Lameter
On Mon, 15 Oct 2007, Chris Mason wrote: > Dave reported that XFS saw much higher write throughput with large > blocksizes, but so far I'm seeing the most benefits during reads. Dave's tests were done with an early large blocksize patchset that had issues with readahead. More recent versions have