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https://issues.apache.org/jira/browse/PARQUET-2196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17619389#comment-17619389
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ASF GitHub Bot commented on PARQUET-2196:
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wgtmac commented on PR #1000:
URL: https://github.com/apache/parquet-mr/pull/1000#issuecomment-1282105001
> Yep, we test encryption interop using binary files in the parquet-testing
repo. @wgtmac Please have a look at this code:
https://github.com/apache/parquet-mr/blob/master/parquet-hadoop/src/test/java/org/apache/parquet/hadoop/TestEncryptionOptions.java#L130
@ggershinsky @emkornfield Yes I did that in the previous commit:
https://github.com/apache/parquet-mr/pull/1000/commits/6e02cb20eb580e80a793b02d187237770868b335#diff-61de8043597197e5da4b42ebfe2d123b9c42e56fcb520e293c1a10ba55fa93cc
but switched to local file to avoid unstable test.
@shangxinli Should I keep the resource file approach or switch to the
download approach?
> Support LZ4_RAW codec
> ---------------------
>
> Key: PARQUET-2196
> URL: https://issues.apache.org/jira/browse/PARQUET-2196
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Reporter: Gang Wu
> Priority: Major
>
> There is a long history about the LZ4 interoperability of parquet files
> between parquet-mr and parquet-cpp (which is now in the Apache Arrow).
> Attached links are the evidence. In short, a new LZ4_RAW codec type has been
> introduced since parquet format v2.9.0. However, only parquet-cpp supports
> LZ4_RAW. The parquet-mr library still uses the old Hadoop-provided LZ4 codec
> and cannot read parquet files with LZ4_RAW.
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