zeekling created YARN-11865:
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Summary: Optimizing Hadoop in the "Can't open so many files" error
scenario
Key: YARN-11865
URL: https://issues.apache.org/jira/browse/YARN-11865
Project: Hadoop YARN
Issue Type: Improvement
Reporter: zeekling
When Hadoop nodes frequently display the "Can’t open so many files" error,
unexpected behavior can occur.
1. When the active RM node displays the "Can’t open so many files" error, the
standby RM cannot be promoted to active, causing Yarn cluster anomalies.
2. When the "Can’t open so many files" error appears on a NM node, jobs
assigned to the node by the scheduler will repeatedly fail.
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