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From "Kihwal Lee (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-2446) with hadoop.security.group.mapping settings two extra INFO with every hadoop command
Date Fri, 11 Nov 2011 15:12:51 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee resolved HDFS-2446.
------------------------------

    Resolution: Invalid
    
> with hadoop.security.group.mapping settings two extra INFO with every hadoop command
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-2446
>                 URL: https://issues.apache.org/jira/browse/HDFS-2446
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.20.205.0
>            Reporter: Rajit Saha
>
> If we add following config parameter in core-site.xml in all the compute nodes and client
side, we get extra two INFO message in STDOUT for every hadoop command
> core-site.xml
> =============
> ...
>   <property>
>     <name>hadoop.security.group.mapping</name>
>     <value>org.apache.hadoop.security.JniBasedUnixGroupsNetgroupMapping</value>
>     <description>
>     Class for user to group mapping (get groups for a given user) for ACL
>     </description>
>   </property>
> ....
> $hadoop dfs -lsr /tmp
> 11/10/12 19:04:58 INFO util.NativeCodeLoader: Loaded the native-hadoop library
> 11/10/12 19:04:58 INFO security.JniBasedUnixGroupsMapping: Using JniBasedUnixGroupsMapping
for Group resolution
> drwx------   - hadoopqa hdfs          0 2011-10-12 19:04 /tmp/file1
> drwx------   - hadoopqa hdfs          0 2011-10-12 19:04 /tmp/file2
> $hadoop dfs -rmr -skipTrash /tmp/file2
> 11/10/12 19:04:54 INFO util.NativeCodeLoader: Loaded the native-hadoop library
> 11/10/12 19:04:54 INFO security.JniBasedUnixGroupsMapping: Using JniBasedUnixGroupsMapping
for Group resolution
> Deleted hdfs://<NN Hostname>/tmp/file2

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