Siddharth Seth created YARN-508:
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Summary: Consider making local-dir deletion optionally inline on
NM startup
Key: YARN-508
URL: https://issues.apache.org/jira/browse/YARN-508
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Siddharth Seth
YARN-71 added background local-dir creation on NM startup.
This could lead to an unexpected performance degradation while the deletion
completes (can take time dependent on the configured dist cache size). We could
make inline deletion an option - so that the NM only registers with the RM
after deletion completes. Rolling upgrades being as use case where this could
make a difference.
Also, the NM should wait for at least some disk space to be available before
registering with the RM.
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