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Posted to issues@spark.apache.org by "lyc (JIRA)" <ji...@apache.org> on 2017/05/24 16:47:04 UTC

[jira] [Created] (SPARK-20869) Master should clear failed apps when worker down

lyc created SPARK-20869:
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             Summary: Master should clear failed apps when worker down
                 Key: SPARK-20869
                 URL: https://issues.apache.org/jira/browse/SPARK-20869
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 2.3.0
            Reporter: lyc
            Priority: Minor


In `Master.removeWorker`, master clears executor and driver state, but does not clear app state. App state is cleared when received `UnregisterApplication` and when `onDisconnect`, the first is when driver shutdown gracefully, the second is called when `netty`'s `channelInActive` is called, both of which can not handle the case when there is a network partition between master and worker.

Follow the steps in [SPARK-19900|https://issues.apache.org/jira/browse/SPARK-19900], and see the [screenshots|https://cloud.githubusercontent.com/assets/2576762/26398697/d50735a4-40ac-11e7-80d8-6e9e1cf0b62f.png] when worker1 partitions with master, the app `app-xxx-000` is still running instead of finished because of worker1 is down.

cc @CodingCat



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