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https://issues.apache.org/jira/browse/HADOOP-13578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15749570#comment-15749570
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Jason Lowe commented on HADOOP-13578:
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One more thing I just thought of -- if we end up having to loop around and call
endStream more than once, is it OK that we called ZSTD_compressStream between
the two calls to ZSTD_endStream? The call will be degenerate with input size
== 0, but I'm wondering if that's OK from the zstd lib API perspective.
Actually I think we're OK here since ZSTD_endStream will do a similar
degenerate ZSTD_compressStream call internally if it isn't in the final
compression stage, and it looks like ZSTD_compressStream explicitly does
nothing if the compressor is in the final stage. So I think we're good, but
it'd be great if you could double-check.
> Add Codec for ZStandard Compression
> -----------------------------------
>
> Key: HADOOP-13578
> URL: https://issues.apache.org/jira/browse/HADOOP-13578
> Project: Hadoop Common
> Issue Type: New Feature
> Reporter: churro morales
> Assignee: churro morales
> Attachments: HADOOP-13578.patch, HADOOP-13578.v1.patch,
> HADOOP-13578.v2.patch, HADOOP-13578.v3.patch, HADOOP-13578.v4.patch,
> HADOOP-13578.v5.patch, HADOOP-13578.v6.patch, HADOOP-13578.v7.patch,
> HADOOP-13578.v8.patch
>
>
> ZStandard: https://github.com/facebook/zstd has been used in production for 6
> months by facebook now. v1.0 was recently released. Create a codec for this
> library.
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