From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleg Drokin Subject: Re: Question on IICACHE and mount info (2.4.19-pre5) Date: Mon, 8 Apr 2002 16:02:26 +0400 Message-ID: <20020408160226.A937@namesys.com> References: <3CACE903.30901@mb.tu-ilmenau.de> <20020405090248.A6915@namesys.com> <3CB182B0.4030009@mb.tu-ilmenau.de> Mime-Version: 1.0 list-help: list-unsubscribe: list-post: Content-Disposition: inline In-Reply-To: <3CB182B0.4030009@mb.tu-ilmenau.de> List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Manuel Krause Cc: reiserfs-list Hello! On Mon, Apr 08, 2002 at 01:44:48PM +0200, Manuel Krause wrote: > So, I made some semi-professional tests (only one run, and I have no > overview about my files size statistics) with my reiserfs partitions. > The data is only copied from the partitions backup counterpart that was > freshly created. There was KDE up during copying. > First partition: 1958788 kB (my system) > --------------------------------------- Hm. Only 2 gigabytes... ;) > notail: > real 5m16.853s user 0m1.660s sys 0m53.090s > notail+iicache: > real 4m55.041s user 0m1.820s sys 0m52.650s Ok, so for this partition there are actually some good times. > notail+noborder+iicache: > real 5m32.181s user 0m1.260s sys 0m48.590s Noborder is evil right now, don't use it if you are not sure what are you doing ;) > Second partition: 4085252 kB (mostly archives) > ------------------------------------------ > notail: > real 11m3.024s user 0m1.460s sys 1m26.780s > notail+iicache: > real 11m13.734s user 0m1.620s sys 1m26.650s Hm, things are not so good here. Too bad you do not have any file-size distribution statistics. > Yes, I have differences. But I think they're not the ones we wanted to > see?! I double checked the lines I pasted to this email ;-) I believe right now we have better patches to speed-up things both on read (IDE only) and write that we are testing mostly locally. iicache only speedups some reads on large files (I have not looked at new iicache write support yet, so my observations are only can be applied up to iicache-9 patch) Bye, Oleg