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  1. Spark
  2. SPARK-3129 Prevent data loss in Spark Streaming on driver failure using Write Ahead Logs
  3. SPARK-4027

Write Ahead Log backed Block RDD

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Details

    • Sub-task
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • None
    • 1.2.0
    • DStreams
    • None

    Description

      As part of the initiative of preventing data loss on streaming driver failure, this sub-task implements a BlockRDD that is backed by HDFS. This BlockRDD can either read data from the Spark's BlockManager, or read the data from file-segments in HDFS.

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            hshreedharan Hari Shreedharan
            tdas Tathagata Das
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              Created:
              Updated:
              Resolved: