caoxuewen created SPARK-20950:
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Summary: Improve Serializerbuffersize and filebuffersize
configurable
Key: SPARK-20950
URL: https://issues.apache.org/jira/browse/SPARK-20950
Project: Spark
Issue Type: Improvement
Components: Spark Core, SQL
Affects Versions: 2.2.0
Reporter: caoxuewen
1.With spark.shuffle.file.buffer configure fileBufferSizeBytes of
UnsafeExternalSorter .
2.With spark.shuffle.sort.initialSerBufferSize configure SerializerBufferSize
of UnsafeShuffleWriter.
3.Remove outputBufferSizeInBytes and inputBufferSizeInBytes to initialize in
mergeSpillsWithFileStream function.
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