DB Tsai created SPARK-29576:
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Summary: Use Spark's CompressionCodec for Ser/Deser of
MapOutputStatus
Key: SPARK-29576
URL: https://issues.apache.org/jira/browse/SPARK-29576
Project: Spark
Issue Type: New Feature
Components: Spark Core
Affects Versions: 2.4.4
Reporter: DB Tsai
Fix For: 3.0.0
Instead of using ZStd codec directly, we use Spark's CompressionCodec which
wraps ZStd codec in buffered stream to avoid overhead excessive of JNI call
while trying to compress small amount of data.
Also, by using Spark's CompressionCodec, we can easily to make it configurable
in the future if needed.
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