[jira] [Created] (SPARK-4029) Update streaming driver to reliably save and recover received block metadata on driver failures

["Tathagata Das (JIRA)" <ji...@apache.org>]

Tathagata Das created SPARK-4029:
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             Summary: Update streaming driver to reliably save and recover received block metadata on driver failures
                 Key: SPARK-4029
                 URL: https://issues.apache.org/jira/browse/SPARK-4029
             Project: Spark
          Issue Type: Sub-task
          Components: Streaming
            Reporter: Tathagata Das
            Assignee: Tathagata Das
            Priority: Critical


As part of the initiative of preventing data loss on driver failure, this JIRA tracks the sub task of modifying the streaming driver to reliably save received block metadata, and recover them on driver restart. 



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