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https://issues.apache.org/jira/browse/SPARK-29576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun reassigned SPARK-29576:
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Assignee: DB Tsai
> 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
> Assignee: DB Tsai
> Priority: Major
> 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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