How are you launching the slaves? By default the slave doesn't do any resource isolation.
You should enable cgroups (only available on linux) for this to work. ./bin/mesos-slave.sh --isolation='cgroups/cpu,cgroups/mem' Note that 'cpu' isolation by default is a lower bound. To set it as an upper bound add "--cgroups_enable_cfs" to the slave flags. For more options: './bin/mesos-slave.sh --help' HTH, On Mon, Jul 14, 2014 at 4:49 PM, Sammy Steele <[email protected]> wrote: > Hi, > > I am trying to determine the impact of various CPU and Memory allocations > on the performance of a mesos task. I don't think I am accurately > controlling how a framework limits the resources used by executors. > > I am using the test_framework.py in the python example and modifying the > associated test_executor to run my task. To change the resources allocated, > I have been changing the parameters of TASK_CPUS and TASK_MEM in > test_framework.py. When a task is actively running, the Mem and CPU > recorded on the Mesos framework website corresponds exactly to the values > specified by those parameters. However, I am running a program with 4 > threads and strangely I see no change in performance when running on 1 CPU > with 32 MB vs. 8 CPU with 512 MB. This has lead me to wonder if changing > those parameters does not actually limit the amount of CPU/ Memory > available to a given task. Is there another way I should go about > controlling resources? Thanks! > > Sammy >
