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https://issues.apache.org/jira/browse/SPARK-11141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tathagata Das resolved SPARK-11141.
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Resolution: Fixed
Assignee: Burak Yavuz
Fix Version/s: 1.6.0
> Batching of ReceivedBlockTrackerLogEvents for efficient WAL writes
> ------------------------------------------------------------------
>
> Key: SPARK-11141
> URL: https://issues.apache.org/jira/browse/SPARK-11141
> Project: Spark
> Issue Type: Improvement
> Components: Streaming
> Reporter: Burak Yavuz
> Assignee: Burak Yavuz
> Fix For: 1.6.0
>
>
> 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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