Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.9.0, 3.0.0-alpha1, 2.8.2
    • Component/s: None
    • Labels:
      None

      Description

      Current HDFS DN rolling upgrade step requires sequential DN restart to minimize the impact on data availability and read/write operations. The side effect is longer upgrade duration for large clusters. This might be acceptable for DN JVM quick restart to update hadoop code/configuration. However, for OS upgrade that requires machine reboot, the overall upgrade duration will be too long if we continue to do sequential DN rolling restart.

        Attachments

        1. HDFS-7541.patch
          67 kB
          Ming Ma
        2. HDFS-7541-2.patch
          89 kB
          Ming Ma
        3. SupportforfastHDFSdatanoderollingupgrade.pdf
          125 kB
          Ming Ma
        4. UpgradeDomains_design_v2.pdf
          288 kB
          Ming Ma
        5. UpgradeDomains_Design_v3.pdf
          242 kB
          Ming Ma

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              • Assignee:
                mingma Ming Ma
                Reporter:
                mingma Ming Ma
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                Dates

                • Created:
                  Updated:
                  Resolved: