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https://issues.apache.org/jira/browse/DRILL-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15979633#comment-15979633
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ASF GitHub Bot commented on DRILL-5270:
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Github user kkhatua commented on the issue:
https://github.com/apache/drill/pull/755
@sudheeshkatkam Can you please review the PR?
> Improve loading of profiles listing in the WebUI
> ------------------------------------------------
>
> Key: DRILL-5270
> URL: https://issues.apache.org/jira/browse/DRILL-5270
> Project: Apache Drill
> Issue Type: Improvement
> Components: Web Server
> Affects Versions: 1.9.0
> Reporter: Kunal Khatua
> Assignee: Kunal Khatua
> Fix For: 1.11.0
>
>
> Currently, as the number of profiles increase, we reload the same list of
> profiles from the FS.
> An ideal improvement would be to detect if there are any new profiles and
> only reload from the disk then. Otherwise, a cached list is sufficient.
> For a directory of 280K profiles, the load time is close to 6 seconds on a 32
> core server. With the caching, we can get it down to as much as a few
> milliseconds.
> To render the cache as invalid, we inspect the last modified time of the
> directory to confirm whether a reload is needed.
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