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https://issues.apache.org/jira/browse/DRILL-6364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16464348#comment-16464348
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ASF GitHub Bot commented on DRILL-6364:
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kkhatua commented on issue #1241: DRILL-6364: Handle Cluster Info in WebUI when
existing/new bits restart
URL: https://github.com/apache/drill/pull/1241#issuecomment-386721100
@sohami added a new commit with more changes. I've tested this with
Authentication enabled and with discovery of new drillbits :
**Additional changes based on review**
1. Random selection of Drillbits to query for state when primary Drillbit is
down (limited to 3; with a timeout of 3 sec)
2. Indicate when an Offline Drillbit is de-registered, versus just Offline
as per Zookeeper
3. Hide shutdown column when Authentication is enabled, but the user is NOT
an Admin.
When the column is visible, remote bits are disabled because
4. Metrics will be shown all the time (except HTTPS), because the
information is available and a non-admin user would anyway not have actionable
capabilities
5. Basic clean up on unused variables
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> WebUI does not cleanly handle shutdown and state toggling when Drillbits go
> on and offline
> ------------------------------------------------------------------------------------------
>
> Key: DRILL-6364
> URL: https://issues.apache.org/jira/browse/DRILL-6364
> Project: Apache Drill
> Issue Type: Bug
> Components: Web Server
> Reporter: Kunal Khatua
> Assignee: Kunal Khatua
> Priority: Major
> Fix For: 1.14.0
>
>
> When the webpage is loaded the first time, the shutdown button is enabled by
> default, which might not be correct, since scenarios like HTTPS, etc does not
> support this for remote bits. (i.e the user needs to navigate to that node's
> UI for shutting it down).
> Similarly, when a previously unseen Drillbit comes online, the node will not
> be rendered until the page is refreshed by the user.
> Lastly, if the node from whom the UI page was served goes down, the status
> update for the rest of the cluster is not updated.
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