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Posted to common-issues@hadoop.apache.org by "Ayappan (JIRA)" <ji...@apache.org> on 2015/01/07 08:28:34 UTC

[jira] [Commented] (HADOOP-10744) LZ4 Compression fails to recognize PowerPC Little Endian Architecture

    [ https://issues.apache.org/jira/browse/HADOOP-10744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14267353#comment-14267353 ] 

Ayappan commented on HADOOP-10744:
----------------------------------

Any update on this ?

> 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: Ayappan
>         Attachments: HADOOP-10744-v1.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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