XMLWordPrintableJSON

Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Not A Problem
    • None
    • None
    • ha, namenode
    • None

    Description

      This JIRA intends to revisit the patches committed for HADOOP-7455 and HDFS-1974 & to provide more generic interfaces which allows alternative HA implementations to co-exist complying with HAServiceProtocol.

      Some of the considerations are
      1) Support life cycle methods (start*() and stop() APIs) in HAServiceProtocol
      2) Support custom states in HAServiceProtocol
      3) As per the patch submitted for HDFS-1974, Namenode implements HAService interface. This needs to be reconsidered.

      I will elaborate on these points, in the form of comments below.

      Attachments

        1. HAService_fw_Class_Diagram.JPG
          170 kB
          Justin Joseph
        2. HDFS-2354.1.patch
          43 kB
          Justin Joseph
        3. HDFS-2354.patch
          34 kB
          Justin Joseph
        4. Namenode HA using Backup Namenode as Hot Standby.pdf
          347 kB
          Justin Joseph

        Issue Links

          Activity

            People

              justin_joseph Justin Joseph
              justin_joseph Justin Joseph
              Votes:
              0 Vote for this issue
              Watchers:
              11 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: