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https://issues.apache.org/jira/browse/YARN-116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466349#comment-13466349
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Hudson commented on YARN-116:
-----------------------------
Integrated in Hadoop-Hdfs-trunk-Commit #2855 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2855/])
YARN-116. Add the ability to change the RM include/exclude file without a
restart. (Contributed by xieguiming and Harsh J) (Revision 1391912)
Result = SUCCESS
sseth : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1391912
Files :
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/NodesListManager.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java
> RM is missing ability to add include/exclude files without a restart
> --------------------------------------------------------------------
>
> Key: YARN-116
> URL: https://issues.apache.org/jira/browse/YARN-116
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.0.0-alpha
> Reporter: xieguiming
> Assignee: xieguiming
> Fix For: 2.0.3-alpha
>
> Attachments: HADOOP-835-0.patch, HADOOP-835-1.patch,
> HADOOP-835.patch, YARN-116.patch
>
>
> The "yarn.resourcemanager.nodes.include-path" default value is "", if we need
> to add an include file, we must currently restart the RM.
> I suggest that for adding an include or exclude file, there should be no need
> to restart the RM. We may only execute the refresh command. The HDFS NameNode
> already has this ability.
> Fix is to the modify HostsFileReader class instances:
> From:
> {code}
> public HostsFileReader(String inFile,
> String exFile)
> {code}
> To:
> {code}
> public HostsFileReader(Configuration conf,
> String NODES_INCLUDE_FILE_PATH,String
> DEFAULT_NODES_INCLUDE_FILE_PATH,
> String NODES_EXCLUDE_FILE_PATH,String
> DEFAULT_NODES_EXCLUDE_FILE_PATH)
> {code}
> And thus, we can read the config file dynamically when a {{refreshNodes}} is
> invoked and therefore have no need to restart the ResourceManager.
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