Tsuyoshi OZAWA created YARN-1307:
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Summary: Rethink znode structure for RM HA
Key: YARN-1307
URL: https://issues.apache.org/jira/browse/YARN-1307
Project: Hadoop YARN
Issue Type: Improvement
Components: resourcemanager
Reporter: Tsuyoshi OZAWA
Rethink for znode structure for RM HA is proposed in some JIRAs(YARN-659,
YARN-1305).
The motivation of this JIRA is quoted from Bikas' comment in YARN-1305:
{quote}
We should move to creating a node hierarchy for apps such that all znodes for
an app are stored under an app znode instead of the app root znode. This will
help in removeApplication and also in scaling better on ZK. The earlier code
was written this way to ensure create/delete happens under a root znode for
fencing. But given that we have moved to multi-operations globally, this isnt
required anymore.
{quote}
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