Yesha Vora created YARN-7730:
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Summary: Add memory management configs to yarn-default
Key: YARN-7730
URL: https://issues.apache.org/jira/browse/YARN-7730
Project: Hadoop YARN
Issue Type: Bug
Reporter: Yesha Vora
Priority: Minor
Add below configuration and description to yarn-defaults.xml
{code}
"yarn.nodemanager.resource.memory.enabled"
// the default value is false, we need to set to true here to enable the
cgroups based memory monitoring.
"yarn.nodemanager.resource.memory.cgroups.soft-limit-percentage"
// the default value is 90.0f, which means in memory congestion case, the
container can still keep/reserve 90% resource for its claimed value. It cannot
be set to above 100 or set as negative value.
"yarn.nodemanager.resource.memory.cgroups.swappiness"
// The percentage that memory can be swapped or not. default value is 0, which
means container memory cannot be swapped out. If not set, linux cgroup setting
by default set to 60 which means 60% of memory can potentially be swapped out
when system memory is not enough.{code}
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