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https://issues.apache.org/jira/browse/HADOOP-2069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12547065
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Aroop Maliakkal commented on HADOOP-2069:
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We are building a dash board in which we want to put the "DFS Summary" also. We
*don't* want to show Live and Dead Nodes and just the "DFS Summary" is enough.
One way we can do is parsing the dfshealth.jsp and put the output in the
dashboard. The problem is that every time if we are loading the dfshealth.jsp
for a 2000 nodes cluster, it will put some extra load on the NameNode which we
obviously want to avoid it. The current dfshealth.jsp is quite big and it takes
long time to load. We are actually interested in only in "Cluster Summary"
section in dfshealth.jsp page. So if you can give a xml output of *just* DFS
Summary, we can include it in our dash board without putting any load on
namenode and we can use the same info for some of our monitoring scripts also
for checking how many nodes are *live/dead* .
Let me know if it is not clear.
> DFS Summary Page
> ----------------
>
> Key: HADOOP-2069
> URL: https://issues.apache.org/jira/browse/HADOOP-2069
> Project: Hadoop
> Issue Type: Improvement
> Components: util
> Reporter: Aroop Maliakkal
>
> DFS Summary page should consists of the DFS summary data and *links* to Live
> Datanodes and Dead datanodes instead of loading "all nodes" information in
> one page. It would be great if you can give the summary in XML format also.
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