[jira] [Created] (SPARK-12141) Use Jackson to serialize all events when writing event log

["Marcelo Vanzin (JIRA)" <ji...@apache.org>]

Marcelo Vanzin created SPARK-12141:
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             Summary: Use Jackson to serialize all events when writing event log
                 Key: SPARK-12141
                 URL: https://issues.apache.org/jira/browse/SPARK-12141
             Project: Spark
          Issue Type: Task
          Components: Spark Core
            Reporter: Marcelo Vanzin


SPARK-11206 added infrastructure to serialize events using Jackson, so that manual serialization code is not needed anymore.

We should write all events using that support, and remove all the manual serialization code in {{JsonProtocol}}.

Since the event log format is a semi-public API, I'm targeting this at 2.0. Also, we can't remove the manual deserialization code, since we need to be able to read old event logs.



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