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  1. Apache Arrow
  2. ARROW-11301

[C++] Fix reading LZ4-compressed Parquet files produced by Java Parquet implementation

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.0.0
    • Component/s: C++

      Description

      We slightly misunderstood the Hadoop LZ4 format. A compressed buffer can actually contain several "frames", each prefixed with (de)compressed size.

      See https://issues.apache.org/jira/browse/ARROW-9177?focusedCommentId=17267058&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17267058

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              • Assignee:
                apitrou Antoine Pitrou
                Reporter:
                apitrou Antoine Pitrou
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