From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manuel Krause Subject: Re: Comparison of notail and notail,iicache(14) 2.4.19-pre7 Date: Thu, 25 Apr 2002 00:51:08 +0200 Message-ID: <3CC736DC.3060300@mb.tu-ilmenau.de> References: <3CC730DC.1000602@mb.tu-ilmenau.de> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: reiserfs-list On 04/25/2002 12:25 AM, Manuel Krause wrote: > Hi all! > > I tried the patch linux-2.4.19p6-iicache-new-14.patch on 2.4.19-pre7 in > addition to Olegs first speedup patches, some AA and AKPM ones and made > a comparison of my backup timings: > > /dev/hda11 5550248 4804584 745664 87% /mnt/beta > > noatime,notail: > --------------- > to udma-33 real 9m46.648s user 0m1.970s sys 1m45.070s > 7.800 MB/s (used FS) > > back to udma-66 real 11m 7.432s user 0m1.940s sys 1m43.530s > 7.030 MB/s (unused FS) > > noatime,notail,iicache (new-14): > -------------------------------- > to udma-33 real 9m38.230s user 0m1.970s sys 1m48.670s > 8.114 MB/s (unused FS) > +1.45% rate (first copy) > > back to udma-66 real 10m54.870s user 0m2.230s sys 1m46.280s > 7.165 MB/s (unused FS) > +1.92% rate (second copy) > 020424 23:55 > > > File size distribution statistics are available upon requst. > Sorry, I just see I've always forgotten to mention I use RMLs preempt + lock-break patches, too. More info upon a stable configuration on this setup for dd backups and VMware sessions - just mail. (Just in case someone faced same problems I did.) Thanks and best wishes, again, Manuel