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https://issues.apache.org/jira/browse/HADOOP-10744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayappan updated HADOOP-10744:
-----------------------------
Attachment: HADOOP-10744-v3.patch
> LZ4 Compression fails to recognize PowerPC Little Endian Architecture
> ---------------------------------------------------------------------
>
> Key: HADOOP-10744
> URL: https://issues.apache.org/jira/browse/HADOOP-10744
> Project: Hadoop Common
> Issue Type: Bug
> Components: io, native
> Affects Versions: 2.4.1, 2.5.2
> Environment: PowerPC Little Endian (ppc64le)
> Reporter: Ayappan
> Assignee: Bert Sanders
> Attachments: HADOOP-10744-v1.patch, HADOOP-10744-v2.patch,
> HADOOP-10744-v3.patch, HADOOP-10744.patch
>
>
> Lz4 Compression fails to identify the PowerPC Little Endian Architecture. It
> recognizes it as Big Endian and several testcases(
> TestCompressorDecompressor, TestCodec, TestLz4CompressorDecompressor) fails
> due to this.
> Running org.apache.hadoop.io.compress.TestCompressorDecompressor
> Tests run: 2, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 0.435 sec <<<
> FAILURE! - in org.apache.hadoop.io.compress.TestCompressorDecompressor
> testCompressorDecompressor(org.apache.hadoop.io.compress.TestCompressorDecompressor)
> Time elapsed: 0.308 sec <<< FAILURE!
> org.junit.internal.ArrayComparisonFailure:
> org.apache.hadoop.io.compress.lz4.Lz4Compressor_org.apache.hadoop.io.compress.lz4.Lz4Decompressor-
> byte arrays not equals error !!!: arrays first differed at element [1428];
> expected:<4> but was:<10>
> at
> org.junit.internal.ComparisonCriteria.arrayEquals(ComparisonCriteria.java:50)
> at org.junit.Assert.internalArrayEquals(Assert.java:473)
> at org.junit.Assert.assertArrayEquals(Assert.java:294)
> at
> org.apache.hadoop.io.compress.CompressDecompressTester$CompressionTestStrategy$2.assertCompression(CompressDecompressTester.java:325)
> at
> org.apache.hadoop.io.compress.CompressDecompressTester.test(CompressDecompressTester.java:135)
> at
> org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressor(TestCompressorDecompressor.java:58)
> .......
> .......
> .....
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