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  1. Hadoop YARN
  2. YARN-1489

[Umbrella] Work-preserving ApplicationMaster restart

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • None
    • None
    • None

    Description

      Today if AMs go down,

      • RM kills all the containers of that ApplicationAttempt
      • New ApplicationAttempt doesn't know where the previous containers are running
      • Old running containers don't know where the new AM is running.

      We need to fix this to enable work-preserving AM restart. The later two potentially can be done at the app level, but it is good to have a common solution for all apps where-ever possible.

      Attachments

        1. Work preserving AM restart.pdf
          43 kB
          Vinod Kumar Vavilapalli

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              Unassigned Unassigned
              vinodkv Vinod Kumar Vavilapalli
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                Created:
                Updated:
                Resolved: