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  1. Apache Tez
  2. TEZ-4527

Add generic and pluggable hooks for DAGs and task attempts

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Details

    • New Feature
    • Status: Patch Available
    • Major
    • Resolution: Unresolved
    • None
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    Description

      TEZ-4344 added a capability to periodically dump thread information to Tez. I think the basic architecture, injecting an additional process into DAGAppMaster or TezChild, is potentially extensible.

       

      For example, we maintain a very similar patch to collect stack traces.

       

      I would propose to make the injection step pluggable and maintain TezThreadDumpHelper as one of the plugins.

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              okumin Shohei Okumiya
              okumin Shohei Okumiya
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