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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