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https://issues.apache.org/jira/browse/IMPALA-8450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-8450 started by Abhishek Rawat.
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> Add support for zstd and lz4 in parquet
> ---------------------------------------
>
>                 Key: IMPALA-8450
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8450
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>            Reporter: Tim Armstrong
>            Assignee: Abhishek Rawat
>            Priority: Major
>              Labels: parquet
>
> PARQUET-970 added these codecs to the format. We have LZ4 in the toolchain 
> already and I just added zstd: https://gerrit.cloudera.org/#/c/13079/
> These codec probably offer a better trade-off of density and speed than 
> snappy or gzip.
> https://github.com/apache/arrow/pull/807/files might be a useful crib sheet 
> for how to add a compressor.



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