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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11274) Datanode should only check the failed volume upon IO errors
Date Thu, 22 Dec 2016 23:47:58 GMT
Xiaoyu Yao created HDFS-11274:
---------------------------------

             Summary: Datanode should only check the failed volume upon IO errors 
                 Key: HDFS-11274
                 URL: https://issues.apache.org/jira/browse/HDFS-11274
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: datanode
            Reporter: Xiaoyu Yao
            Assignee: Xiaoyu Yao


This is a performance improvement that is possible after HDFS-11182. The goal is to trigger
async volume check with throttling only on suspected volume upon datanode file IO errors.





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