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Posted to hdfs-dev@hadoop.apache.org by "Xiaoyu Yao (JIRA)" <ji...@apache.org> on 2016/09/29 17:19:20 UTC

[jira] [Created] (HDFS-10930) Refactor Datanode IO operations into a single class

Xiaoyu Yao created HDFS-10930:
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             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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