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  1. Spark
  2. SPARK-25303

A DStream that is checkpointed should allow its parent(s) to be removed and not persisted

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Incomplete
    • Affects Version/s: 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.2.0, 2.2.1, 2.2.2, 2.3.0, 2.3.1
    • Fix Version/s: None
    • Component/s: DStreams
    • Flags:
      Important

      Description

      A checkpointed DStream is supposed to cut the lineage to its parent(s) such that any persisted RDDs for the parent(s) are removed. However, combined with the issue in SPARK-25302, they result in the Input Stream RDDs being persisted a lot longer than they are actually required.

      See also related bug SPARK-25302.

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            People

            • Assignee:
              Unassigned Assign to me
              Reporter:
              nikunj Nikunj Bansal
              Shepherd:
              Tathagata Das

              Dates

              • Created:
                Updated:
                Resolved:

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