Jan Lukavsky created YARN-4681:
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Summary: ProcfsBasedProcessTree should not calculate private clean
pages
Key: YARN-4681
URL: https://issues.apache.org/jira/browse/YARN-4681
Project: Hadoop YARN
Issue Type: Improvement
Components: nodemanager
Affects Versions: 2.7.0, 2.6.0
Reporter: Jan Lukavsky
ProcfsBasedProcessTree in Node manager calculates memory used by a process tree
by parsing `/etc/<pid>/smaps`, where it calculates `min(Pss, Shared_Dirty) +
Private_Dirty + Private_Clean`. Because not `mlocked` private clean pages can
reclaimed by kernel, this should be changed to calculating only `Locked` pages
instead.
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