yaooqinn opened a new pull request, #44799:
URL: https://github.com/apache/spark/pull/44799
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### What changes were proposed in this pull request?
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According to
[DeprecatedProperties](https://hadoop.apache.org/docs/r3.3.6/hadoop-project-dist/hadoop-common/DeprecatedProperties.html),
`mapred.output.compress` is deprecated, we shall use
`CompressionCodecs.setCodecConfiguration` to switch to use the new alternatives
just like other data sources.
### Why are the changes needed?
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remove usage of deprecated Hadoop configurations
### Does this PR introduce _any_ user-facing change?
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no
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I tested locally by verifying the compressed output files before and after
this change.
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no
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