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author | yangping.wu <wyphao.2007@163.com> | 2015-11-17 14:11:34 +0000 |
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committer | Sean Owen <sowen@cloudera.com> | 2015-11-17 14:11:34 +0000 |
commit | 7276fa9aa9d2eccb6aebd5c690ac334699142f1e (patch) | |
tree | 8c42c85ee2053c7901992506fbcf7b44fa914703 /docs/running-on-mesos.md | |
parent | fa13301ae440c4c9594280f236bcca11b62fdd29 (diff) | |
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[SPARK-11751] Doc describe error in the "Spark Streaming Programming Guide" page
In the **[Task Launching Overheads](http://spark.apache.org/docs/latest/streaming-programming-guide.html#task-launching-overheads)** section,
>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.
as we known **Task Serialization** is configuration by **spark.closure.serializer** parameter, but currently only the Java serializer is supported. If we set **spark.closure.serializer** to **org.apache.spark.serializer.KryoSerializer**, then this will throw a exception.
Author: yangping.wu <wyphao.2007@163.com>
Closes #9734 from 397090770/397090770-patch-1.
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