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Posted to hdfs-dev@hadoop.apache.org by "Elliott Clark (JIRA)" <ji...@apache.org> on 2015/09/16 02:34:45 UTC

[jira] [Created] (HDFS-9087) Add some jitter to DataNode.checkDiskErrorThread

Elliott Clark created HDFS-9087:
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             Summary: Add some jitter to DataNode.checkDiskErrorThread
                 Key: HDFS-9087
                 URL: https://issues.apache.org/jira/browse/HDFS-9087
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: datanode
    Affects Versions: 2.6.0
            Reporter: Elliott Clark
            Assignee: Elliott Clark


If all datanodes are started across a cluster at the same time (or errors in the network cause ioexceptions) there can be storms where lots of datanodes check their disks at the exact same time.



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