On Mon, Nov 02, 2009 at 01:55:54PM -0800, Andrew Morton wrote: > On Tue, 13 Oct 2009 12:09:55 +0200 > Laurent CORBES <laurent.corbes@xxxxxxxxxxxx> wrote: > > > Hi all, > > > > While benchmarking some systems I discover a big sequential read performance > > drop using ext3 on ~ big files. The drop seems to be introduced in 2.6.30. I'm > > testing with 2.6.28.6 -> 2.6.29.6 -> 2.6.30.4 -> 2.6.31.3. > > Seems that large performance regressions aren't of interest to this > list :( No sure which list you mean, but dm-devel is for dm, not md. We're also seeing similarly massive performance drops with md and ext3/xfs as already reported on the list. Someone tracked it down to writeback changes as usual, but there it got stuck. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
