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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10930) Refactor Datanode IO operations into a single class
Date Thu, 29 Sep 2016 17:19:20 GMT
Xiaoyu Yao created HDFS-10930:
---------------------------------

             Summary: Refactor Datanode IO operations into a single class
                 Key: HDFS-10930
                 URL: https://issues.apache.org/jira/browse/HDFS-10930
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: datanode
            Reporter: Xiaoyu Yao
            Assignee: Xiaoyu Yao


Datanode IO (Disk/Network) related operations and instrumentations are currently spilled in
many classes such as DataNode.java, BlockReceiver.java, BlockSender.java, FsDatasetImpl.java,
FsVolumeImpl.java, DirectoryScanner.java, BlockScanner.java, FsDatasetAsyncDiskService.java,
LocalReplica.java, LocalReplicaPipeline.java, Storage.java, etc. This ticket is opened to
consolidate them into a single class. 




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