Messages in this thread | | | Subject | Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory) | From | Chandra Seetharaman <> | Date | Tue, 12 Sep 2006 16:58:08 -0700 |
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On Tue, 2006-09-12 at 14:48 +0400, Pavel Emelianov wrote: <snip> > > I do not think it is that simple since > > - there is typically more than one class I want to set guarantee to > > - I will not able to use both limit and guarantee > > - Implementation will not be work-conserving. > > > > Also, How would you configure the following in your model ? > > > > 5 classes: Class A(10, 40), Class B(20, 100), Class C (30, 100), Class D > > (5, 100), Class E(15, 50); (class_name(guarantee, limit)) > > > What's the total memory amount on the node? Without it it's hard to make > any > guarantee.
I wrote the example treating them as %, so 100 would be the total amount of memory.
> > "Limit only" approach works for DoS prevention. But for providing QoS > > you would need guarantee. > > > You may not provide guarantee on physycal resource for a particular group > without limiting its usage by other groups. That's my major idea.
I agree with that, but the other way around (i.e provide guarantee for everyone by imposing limits on everyone) is what I am saying is not possible. > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > ckrm-tech mailing list > https://lists.sourceforge.net/lists/listinfo/ckrm-tech --
---------------------------------------------------------------------- Chandra Seetharaman | Be careful what you choose.... - sekharan@us.ibm.com | .......you may get it. ----------------------------------------------------------------------
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