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https://issues.apache.org/jira/browse/HDFS-12186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang reassigned HDFS-12186:
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Assignee: Wei-Chiu Chuang
> Add INodeAttributeProvider startup progress into HDFS Web UI
> -------------------------------------------------------------
>
> Key: HDFS-12186
> URL: https://issues.apache.org/jira/browse/HDFS-12186
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ui
> Reporter: Wei-Chiu Chuang
> Assignee: Wei-Chiu Chuang
> Labels: supportability
>
> For a cluster of substantial size, INodeAttributeProvider may take a long
> time. We saw a large cluster where part of file system ACLs is managed by
> Apache Sentry, and NameNode took a few minutes for the Sentry HDFS NameNode
> Plugin to initialize. I suppose the same issue can arise for Apache Ranger
> and other INodeAttributeProviders implementation.
> It would be nice to add an extra row in NameNode Web UI startup progress, in
> addition to "Loading fsimage", "Loading edits", "Saving checkpoint" and "Safe
> mode", to give a better visibility what NameNode is doing.
> In addition, there might also be a need to add a similar row into Web UI for
> loading NameNode plugins. So filing this jira to invite more discussion.
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