[
https://issues.apache.org/jira/browse/HDFS-6105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940762#comment-13940762
]
Haohui Mai commented on HDFS-6105:
----------------------------------
Thanks [~kihwal] and [~tthompso] for reporting this issue. This is because the
corresponding function {{load_datanode_info()}} is called multiple times. This
is because:
# {{load_datanode_info()}} is registered with the link multiple times.
# The {{hashchange}} handler calls {{load_datanode_info()}} when it detects the
change of the hash tag.
> NN web UI for DN list loads the same jmx page multiple times.
> -------------------------------------------------------------
>
> Key: HDFS-6105
> URL: https://issues.apache.org/jira/browse/HDFS-6105
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.3.0
> Reporter: Kihwal Lee
> Attachments: datanodes-tab.png
>
>
> When loading "Datanodes" page of the NN web UI, the same jmx query is made
> multiple times. For a big cluster, that's a lot of data and overhead.
--
This message was sent by Atlassian JIRA
(v6.2#6252)
