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From "Lin Yiqun (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9510) FsVolume should add the operation of creating file's time metrics
Date Sat, 05 Dec 2015 07:29:10 GMT
Lin Yiqun created HDFS-9510:
-------------------------------

             Summary: FsVolume should add the operation of creating file's time metrics
                 Key: HDFS-9510
                 URL: https://issues.apache.org/jira/browse/HDFS-9510
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: benchmarks, fs
    Affects Versions: 2.7.1
            Reporter: Lin Yiqun
            Assignee: Lin Yiqun


For one datanode, this datanode may be have not only one data directorys. And each dataDir
has correspond to a FsVolums. And in some time, the one of these dataDirs being created files
or dirs slowly because of hardware problems. What's more, it will influence the whole node.
So we need to monitor these slow-writing disk.



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