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  1. Hadoop HDFS
  2. HDFS-2106

Umbrella JIRA for separating block management and name space management in NameNode

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: namenode
    • Labels:
      None

      Description

      Namenode has two main components, block management and namespace management. The ultimate goal is to allow BM and NM running in separated servers. The short-term goal is to separate the codes.

        Attachments

        1. bm_api20110628.pdf
          54 kB
          Tsz-wo Sze
        2. bm_api20110627.pdf
          53 kB
          Tsz-wo Sze
        1.
        		 Move block management code to a package Sub-task Closed Tsz-wo Sze
        2.
        		 Move datanode heartbeat handling to BlockManager Sub-task Closed Tsz-wo Sze
        3.
        		 Move ReplicationMonitor to block management Sub-task Closed Uma Maheswara Rao G
        4.
        		 Move DecommissionManager to block management Sub-task Closed Tsz-wo Sze
        5.
        		 Move Host2NodesMap to block management Sub-task Closed Tsz-wo Sze
        6.
        		 Move cluster network topology to block management Sub-task Closed Tsz-wo Sze
        7.
        		 Move dnsToSwitchMapping and hostsReader from FSNamesystem to DatanodeManager Sub-task Closed Tsz-wo Sze
        8.
        		 Move datanodeMap from FSNamesystem to DatanodeManager Sub-task Closed Tsz-wo Sze
        9.
        		 Move blockTokenSecretManager from FSNamesystem to BlockManager Sub-task Closed Uma Maheswara Rao G
        10.
        		 Set FSNamesystem.LOG to package private Sub-task Closed Tsz-wo Sze
        11.
        		 Move block and datanode code from FSNamesystem to BlockManager and DatanodeManager Sub-task Closed Tsz-wo Sze
        12.
        		 Change UnderReplicatedBlocks from public to package private Sub-task Closed Tsz-wo Sze
        13.
        		 Reduce access levels of the fields and methods in FSNamesystem Sub-task Closed Tsz-wo Sze
        14.
        		 Remove unnecessary BlockTokenSecretManager fields/methods from BlockManager Sub-task Closed Tsz-wo Sze
        15.
        		 Add a Namesystem interface to avoid directly referring to FSNamesystem Sub-task Closed Tsz-wo Sze
        16.
        		 Move datanodes size printing to BlockManager from FSNameSystem's metasave API Sub-task Closed Uma Maheswara Rao G
        17.
        		 Remove reference to FSNamesystem in blockmanagement classes Sub-task Closed Tsz-wo Sze
        18.
        		 Clean up FSNamesystem and BlockManager Sub-task Closed Tsz-wo Sze
        19.
        		 change INode to package private Sub-task Resolved John George
        20.
        		 change INode to package private Sub-task Closed John George
        21.
        		 blockmanagement should stop using INodeFile & INodeFileUC Sub-task Closed John George
        22.
        		 change variable names referring to inode in blockmanagement to more appropriate Sub-task Closed John George
        23.
        		 Change INodeFile and INodeFileUnderConstruction to package private Sub-task Closed Tsz-wo Sze
        24.
        		 BlockId and Generation Stamp code should be moved to the blockmanagement package Sub-task Resolved Arpit Agarwal

          Activity

            People

            • Assignee:
              szetszwo Tsz-wo Sze
              Reporter:
              szetszwo Tsz-wo Sze
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              Dates

              • Created:
                Updated:
                Resolved: