Yufei Gu created YARN-8184:
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Summary: Too many metrics if containerLocalizer uses
ReadWriteDiskValidator
Key: YARN-8184
URL: https://issues.apache.org/jira/browse/YARN-8184
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Reporter: Yufei Gu
ContainerLocalizer will use the ReadWriteDiskValidator as its disk validator
when it downloads files if we configure the yarn.nodemanger.disk-validator to
ReadWriteDiskValidator's name. In that case, ReadWriteDiskValidator will create
a metric item for each directory localized, which will be too many metrics. We
should let ContainerLocalizer only use the basic disk validator.
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