GitHub user dongjinleekr opened a pull request:
https://github.com/apache/spark/pull/17303
[SPARK-19112][CORE] add codec for ZStandard
## What changes were proposed in this pull request?
Hadoop[^1] & HBase[^2] started to support ZStandard Compression from their
recent releases. This update enables saving a file in HDFS using ZStandard
Codec, by implementing ZStandardCodec. It also requires adding a new
configuration for default compression level, for example,
'spark.io.compression.zstandard.level.'
[^1]: https://issues.apache.org/jira/browse/HADOOP-13578
[^2]: https://issues.apache.org/jira/browse/HBASE-16710
## How was this patch tested?
3 additional unit tests in `CompressionCodecSuite.scala`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjinleekr/spark feature/SPARK-19112
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17303.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17303
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commit 1927b91d0d8621e9e2dc2a88a93e07780cfc66bf
Author: Lee Dongjin <[email protected]>
Date: 2017-03-15T08:09:56Z
Implement ZStandardCompressionCodec
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