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https://issues.apache.org/jira/browse/HDFS-4249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13509109#comment-13509109
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Colin Patrick McCabe commented on HDFS-4249:
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Seems like a good idea to me. It would also be interesting to see which edit
log files or QJM sources were actually selected for use. Similarly, seeing
which FSImage was loaded could be interesting in some cases.
> Add status NameNode startup to webUI
> -------------------------------------
>
> Key: HDFS-4249
> URL: https://issues.apache.org/jira/browse/HDFS-4249
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
>
> Currently NameNode WebUI server starts only after the fsimage is loaded,
> edits are applied and checkpoint is complete. Any status related to namenode
> startin up is available only in the logs. I propose starting the webserver
> before loading namespace and providing namenode startup information.
> More details in the next comment.
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