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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-12186) Add INodeAttributeProvider startup progress into HDFS Web UI
Date Fri, 21 Jul 2017 19:40:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wei-Chiu Chuang reassigned HDFS-12186:
--------------------------------------

    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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