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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2014/11/22 20:18:12 UTC

[jira] [Created] (SPARK-4555) Add forward compatibility tests to JsonProtocol

Josh Rosen created SPARK-4555:
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             Summary: Add forward compatibility tests to JsonProtocol
                 Key: SPARK-4555
                 URL: https://issues.apache.org/jira/browse/SPARK-4555
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
            Reporter: Josh Rosen


The web UI / event listener's JsonProtocol is designed to be backwards- and forwards-compatible: newer versions of Spark should be able to consume event logs written by older versions and vice-versa.

We currently have backwards-compatibility tests for the "newer version reads older log" case; this JIRA tracks progress for adding the opposite forwards-compatibility tests.

This type of test could be non-trivial to write, since I think we'd need to actually run a script against multiple compiled Spark releases, so this test might need to sit outside of Spark Core itself as part of an integration testing suite.



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