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https://issues.apache.org/jira/browse/HDFS-6664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092368#comment-14092368
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Akira AJISAKA commented on HDFS-6664:
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Thanks [~rchiang] for the patch! Some comments:
1.
{code}
+ the <code>bash -c groups</code> command to resolve a list of
{code}
{{<code>}} and {{</code>}} should be {{<<<}} and {{>>>}}. Most of Hadoop
documents are now written in APT format (*.apt.vm). The format is described in
http://maven.apache.org/doxia/references/apt-format.html
2.
{code}
+ This implementation shells out to the Linux/Unix environment with
{code}
{{ShellBasedUnixGroupsMappings}} now supports Windows also.
3 (minor).
{code}
+ JNI is available the implementation will use the API within hadoop
{code}
I think it's better to add a comma(,) between 'available' and 'the'.
> HDFS permissions guide documentation states incorrect default group mapping
> class.
> ----------------------------------------------------------------------------------
>
> Key: HDFS-6664
> URL: https://issues.apache.org/jira/browse/HDFS-6664
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Affects Versions: 3.0.0, 2.5.0
> Reporter: Chris Nauroth
> Priority: Trivial
> Labels: newbie
> Attachments: HDFS6664-01.patch
>
>
> The HDFS permissions guide states that our default group mapping class is
> {{org.apache.hadoop.security.ShellBasedUnixGroupsMapping}}. This is no
> longer true. The default has been changed to
> {{org.apache.hadoop.security.JniBasedUnixGroupsMappingWithFallback}}.
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