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