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  1. Spark
  2. SPARK-11141

Batching of ReceivedBlockTrackerLogEvents for efficient WAL writes

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.6.0
    • Component/s: DStreams
    • Labels:
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    • Target Version/s:

      Description

      When using S3 as a directory for WALs, the writes take too long. The driver gets very easily bottlenecked when multiple receivers send AddBlock events to the ReceiverTracker. This PR adds batching of events in the ReceivedBlockTracker so that receivers don't get blocked by the driver for too long.

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            • Assignee:
              brkyvz Burak Yavuz
              Reporter:
              brkyvz Burak Yavuz
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                Updated:
                Resolved: