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ARROW-11301: [C++] Fix reading Parquet LZ4-compressed files produced by Hadoop - #9244

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ARROW-11301: [C++] Fix reading Parquet LZ4-compressed files produced by Hadoop#9244
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@pitrou

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The compatibility code was incomplete as it assumed a single "frame" per data page.
It turns out that Hadoop tries to compress data in blocks of 128 kiB.

…y Hadoop
The compatibility code was incomplete as it assumed a single "frame" per data page.
It turns out that Hadoop tries to compress data in blocks of 128 kiB.
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cc @chairmank

@pitrou
pitrou requested a review from wesmJanuary 18, 2021 14:59
@pitroupitrou changed the title ARROW-9177: [C++] Fix reading Parquet LZ4-compressed files produces by HadoopARROW-11301: [C++] Fix reading Parquet LZ4-compressed files produces by HadoopJan 18, 2021
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@pitroupitrou changed the title ARROW-11301: [C++] Fix reading Parquet LZ4-compressed files produces by HadoopARROW-11301: [C++] Fix reading Parquet LZ4-compressed files produced by HadoopJan 18, 2021
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looks good to me

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@kiszk

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looks good to me

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