I am not using any rules at all nor have I created any classes in /rcfs/taskclass.
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Hubertus > Franke > Sent: Tuesday, September 28, 2004 3:12 PM > To: Marc E. Fiuczynski > Cc: ckrm-Tech > Subject: Re: [ckrm-tech] performance and stability issues with CKRM > > > Can you provide the rule set you are using as > a shell script. If you don't use any rbce rules > please indicate so as well. > I'll check on the ckrm + CPU issue. > > Marc E. Fiuczynski wrote: > > Hello, > > > > I have the latest CKRM patches for all controllers applied to my tree. > > Specifically, I am using cpu v7, io v4, and mem v1 controllers > with e16rc1 > > which we released over the past few days --- i.e., the most > recent code that > > addresses most of the outstanding issues. My kernel is > configured with all > > things CKRM related statically compiled into my kernel, but I > did not select > > the socket controller nor the LRU ordering options for the memory > > controller. Note that my kernel is based off of Fedora Core 2 > 1.521 (linux > > 2.6.8.1), rather than just plain vanilla 2.6.8.1 from kernel.org. > > > > As I actually enjoy eating my own dogfood, I run this kernel on my Dell > > Inspiron 5150 laptop and then use it for kernel compilations, > email (running > > MS Outlook via cxoffice), etc.. This way I get a good feel for its base > > performance -- particularly interactivity -- and forces me to > immediately > > address stability issues. By base performance I am referring to using a > > system that does not create any classes in /rcfs/taskclass; > everything is > > running in the base class. > > > > In terms of performance, my general sense is that the systems > with the CKRM > > controllers feels sluggish compared to running a FC2 1.521. > Compiles of the > > kernel appear to take a longer --- I've reported on this before. > > Unfortunately, due to lack of time, I don't have hard statistics to back > > this up. Moreover, I don't have a good sense which CKRM controller is > > causing the sluggishness. > > > > In terms of stability, it appears the i/o controller causes the > system to > > hang while doing a kernel compile (make -j 3). Of course, after > several hard > > reboots the filesystem was corrupted. Trying to fix the filesystem (ext) > > with the same kernel, fsk would fail with a SIG_USR1 about 50% > through the > > check. My conjecture is that something is failing in the > cfq-iosched.c code > > that reflects this signal back to fsck. My reasonig for this is that > > running the same fsck on a system booted with a vanilla FC2 1.521 kernel > > succeeded to clean the filesystem. Until the I/O scheduler > attains better > > stability, I plan to simply switch back to the vanilla FC2 1.521 > > cfq-iosched.c. > > > > I'd like to hear about other experiences with CKRM so far. > > > > Best, > > Marc > > > > > > > > > > > > > > > > ------------------------------------------------------- > > This SF.net email is sponsored by: IT Product Guide on ITManagersJournal > > Use IT products in your business? Tell us what you think of > them. Give us > > Your Opinions, Get Free ThinkGeek Gift Certificates! Click to > find out more > > http://productguide.itmanagersjournal.com/guidepromo.tmpl > > _______________________________________________ > > ckrm-tech mailing list > > https://lists.sourceforge.net/lists/listinfo/ckrm-tech > > > > > > ------------------------------------------------------- > This SF.net email is sponsored by: IT Product Guide on ITManagersJournal > Use IT products in your business? Tell us what you think of them. Give us > Your Opinions, Get Free ThinkGeek Gift Certificates! Click to > find out more > http://productguide.itmanagersjournal.com/guidepromo.tmpl > _______________________________________________ > ckrm-tech mailing list > https://lists.sourceforge.net/lists/listinfo/ckrm-tech ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech
