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Posted to hdfs-issues@hadoop.apache.org by "Ravi Prakash (JIRA)" <ji...@apache.org> on 2013/08/10 00:10:49 UTC
[jira] [Commented] (HDFS-3245) Add metrics and web UI for cluster
version summary
[ https://issues.apache.org/jira/browse/HDFS-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13735387#comment-13735387 ]
Ravi Prakash commented on HDFS-3245:
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Is any one planning to work on this? If not, I may take it up.
> 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
>
> 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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