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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4592) Default values for access time precision are out of sync between hdfs-default.xml and the code
Date Wed, 13 Mar 2013 10:48:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13601028#comment-13601028
] 

Hudson commented on HDFS-4592:
------------------------------

Integrated in Hadoop-Yarn-trunk #154 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/154/])
    HDFS-4592. Default values for access time precision are out of sync between hdfs-default.xml
and the code. Contributed by Aaron T. Myers. (Revision 1455777)

     Result = SUCCESS
atm : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1455777
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

                
> Default values for access time precision are out of sync between hdfs-default.xml and
the code
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-4592
>                 URL: https://issues.apache.org/jira/browse/HDFS-4592
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.0.4-alpha
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>            Priority: Minor
>             Fix For: 2.0.5-beta
>
>         Attachments: HDFS-4592.patch
>
>
> In {{hdfs-default.xml}} we have:
> {code}
> <property>
>   <name>dfs.namenode.accesstime.precision</name>
>   <value>3600000</value>
>   <description>The access time for HDFS file is precise upto this value.
>                The default value is 1 hour. Setting a value of 0 disables
>                access times for HDFS.
>   </description>
> </property>
> {code}
> But in {{FSNamesystem}} we have:
> {code}
> this.accessTimePrecision = conf.getLong(DFS_NAMENODE_ACCESSTIME_PRECISION_KEY, 0);
> {code}
> We properly define {{DFS_NAMENODE_ACCESSTIME_PRECISION_DEFAULT}} in DFSConfigKeys.java,
but it's not actually referenced anywhere in the code.

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