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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3245) Add metrics and web UI for cluster version summary
Date Wed, 28 Aug 2013 13:30:56 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13752386#comment-13752386
] 

Hudson commented on HDFS-3245:
------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #1505 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1505/])
Adding the new test file for HDFS-3245 that was accidentally dropped (kihwal: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1517994)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestDatanodeManager.java
HDFS-3245. Add metrics and web UI for cluster version summary. Contributed by Ravi Prakash.
(kihwal: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1517937)
* /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/protocol/DatanodeInfo.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.jsp

                
> Add metrics and web UI for cluster version summary
> --------------------------------------------------
>
>                 Key: HDFS-3245
>                 URL: https://issues.apache.org/jira/browse/HDFS-3245
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.0.0-alpha
>            Reporter: Todd Lipcon
>            Assignee: Ravi Prakash
>             Fix For: 3.0.0, 2.1.1-beta
>
>         Attachments: HDFS-3245.branch-2.patch, HDFS-3245.branch-2.patch, HDFS-3245.branch-2.patch,
HDFS-3245.branch-2.patch, HDFS-3245.patch, HDFS-3245.patch, HDFS-3245.patch
>
>
> With the introduction of protocol compatibility, once HDFS-2983 is committed, we have
the possibility that different nodes in a cluster are running different software versions.
To aid operators, we should add the ability to summarize the status of versions in the cluster,
so they can easily determine whether a rolling upgrade is in progress or if some nodes "missed"
an upgrade (eg maybe they were out of service when the software was updated)

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