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https://issues.apache.org/jira/browse/HADOOP-12972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232490#comment-15232490
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John Zhuge commented on HADOOP-12972:
-------------------------------------
Starting from lz4 release "r132", {{lz4 -h}} will show:
{code}
*** LZ4 CLI 64-bits r132 (lib 1.7.2), by Yann Collet ***
{code}
The lib version "1.7.2" can correlate with Hadoop {{hadoop checknative -a}} lz4
output "revision:10301" (i.e., 1.3.1).
> Lz4Compressor#getLibraryName returns the wrong version number
> -------------------------------------------------------------
>
> Key: HADOOP-12972
> URL: https://issues.apache.org/jira/browse/HADOOP-12972
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 2.6.0
> Reporter: John Zhuge
> Assignee: Colin Patrick McCabe
> Priority: Trivial
> Fix For: 2.8.0
>
> Attachments: HADOOP-12972.001.patch
>
>
> HADOOP-11184 updated lz4 to "r123", but {{hadoop checknative -a}} still
> prints "revision:99".
> {code}
> $ hadoop checknative -a
> 16/03/29 11:42:40 INFO bzip2.Bzip2Factory: Successfully loaded & initialized
> native-bzip2 library system-native
> 16/03/29 11:42:40 INFO zlib.ZlibFactory: Successfully loaded & initialized
> native-zlib library
> Native library checking:
> hadoop: true
> /opt/cloudera/parcels/CDH-5.8.0-1.cdh5.8.0.p0.1209/lib/hadoop/lib/native/libhadoop.so.1.0.0
> zlib: true /lib64/libz.so.1
> snappy: true
> /opt/cloudera/parcels/CDH-5.8.0-1.cdh5.8.0.p0.1209/lib/hadoop/lib/native/libsnappy.so.1
> lz4: true revision:99
> bzip2: true /lib64/libbz2.so.1
> openssl: true /usr/lib64/libcrypto.so
> {code}
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