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Registered: ‎05-07-2016

Should Resource Management via CGroups be enabled if using Dynamic Resource pool

We have dynamic resource pools configured in our cluster.

 

Also, each role in a service has certain cores and memory assigned in Cloudera Manager config.

 

For example, a nodemanager on certain host has 100 GB and 20 cores for example.

Impala has 50 GB and 10 cores on the same host and similarly HBase has some values.

 

All the Cgroup related values are kept default(I assume these are not active as Cgroup is not enabled in host config).

 

But question is do i really need to enable Cgroup resource management on host? If yes, why?

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