Shen Yinjie created HDFS-14628:
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Summary: Improve information on scanAndCompactStorages in
BlockManager and lower log level
Key: HDFS-14628
URL: https://issues.apache.org/jira/browse/HDFS-14628
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Shen Yinjie
BlockManager#scanAndCompactStorages is called every 600sec by default.
In big cluster with thousands of datanodes, it will print out 10 thousands of
informations every sec when scanAndCompactStorages() is running,which may make
much noise in namenode logs. And, currently these INFO logs at namenode side
and does not provide much information.
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