yangping wu created SPARK-11751:
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Summary: Doc describe error in the "Spark Streaming Programming
Guide" page
Key: SPARK-11751
URL: https://issues.apache.org/jira/browse/SPARK-11751
Project: Spark
Issue Type: Bug
Components: Documentation
Affects Versions: 1.5.1, 1.5.0, 1.4.1
Reporter: yangping wu
Priority: Trivial
In the *Task Launching Overheads* section,
{quote}*Task Serialization*: Using Kryo serialization for serializing tasks can
reduce the task sizes, and therefore reduce the time taken to send them to the
slaves.{quote}
As we known *Task Serialization* is configuration by *spark.closure.serializer*
parameter, but currently only the Java serializer is supported.
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