Messages in this thread | | | From | Gerrit Huizenga <> | Subject | Re: [ckrm-tech] [patch 25/38] CKRM e18: Add fork rate control to the numtasks controller | Date | Mon, 27 Jun 2005 11:08:32 -0700 |
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On Mon, 27 Jun 2005 16:07:50 +0900, Naoaki Maeda wrote: > Gerrit Huizenga wrote: > > > +As with any other resource under the CKRM framework, numtasks also assigns > > +all the resources to the detault class(/rcfs/taskclass). Since , the number > > +of tasks in a system is not limited, this resource controller provides a > > +way to set the total number of tasks available in the system through the config > > +file. By default this value is 128k(131072). In other words, if not changed, > > +the total number of tasks allowed in a system is 131072. > > + > > +The config variable that affect this is sys_total_tasks. > > Because there are people who do not want to use the numtask controller, > no limit is a preferable default value for sys_total_tasks.
Hello, Maeda-san, I would be fine with accepting such a patch. Would you care to generate a patch and post it? I will include it in the next release of CKRM.
> > +Usage > > +----- > > + > > +For brevity, unless otherwise specified all the following commands are > > +executed in the default class (/rcfs/taskclass). > > + > > +As explained above the config file shows sys_total_tasks and forkrate > > +info. > > + > > + # cd /rcfs/taskclass > > + # cat config > > + res=numtasks,sys_total_tasks=131072,forkrate=1000000,forkrate_interval=3600 > > + > > +By default, the sys_total_tasks is set to 131072(128k), and forkrate is set > > +to 1 million and forkrate_interval is set to 3600 seconds. Which means the > > +total number of tasks in a system is limited to 131072 and the forks are > > +limited to 1 million per hour. > > From the same point of view, the default value of forkrate should be > no limit. (In addition, 1 million tasks per hour is not an abnormally > high rate.)
Again, I agree with this. A patch for this as well would be welcome.
thanks for your review!
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