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Posted to hdfs-issues@hadoop.apache.org by "Shen Yinjie (JIRA)" <ji...@apache.org> on 2019/07/03 04:29:00 UTC

[jira] [Created] (HDFS-14628) Improve information on scanAndCompactStorages in BlockManager and lower log level

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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