git commit: [SPARK-4029][Streaming] Update streaming driver to reliably save and recover received block metadata on driver failures

Repository: spark Updated Branches: refs/heads/master c8abddc51 -> 5f13759d3 [SPARK-4029][Streaming] Update streaming driver to reliably save and recover received block metadata on driver failures As part of the initiative of preventing data loss on driver failure, this JIRA tracks the sub t

git commit: [SPARK-4029][Streaming] Update streaming driver to reliably save and recover received block metadata on driver failures

Repository: spark Updated Branches: refs/heads/branch-1.2 f225b3cc1 -> 46654b066 [SPARK-4029][Streaming] Update streaming driver to reliably save and recover received block metadata on driver failures As part of the initiative of preventing data loss on driver failure, this JIRA tracks the s