[jira] [Commented] (DRILL-6776) Drill Web UI takes long time for first time load in network isolated environment

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-6776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16641857#comment-16641857 ] 

ASF GitHub Bot commented on DRILL-6776:
---------------------------------------

ihuzenko opened a new pull request #1495: DRILL-6776: Drill Web UI takes long time for first time load in network isolated environment
URL: https://github.com/apache/drill/pull/1495
 
 
   See details in description of the [DRILL-6776](https://issues.apache.org/jira/browse/DRILL-6776).

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> Drill Web UI takes long time for first time load in network isolated environment
> --------------------------------------------------------------------------------
>
>                 Key: DRILL-6776
>                 URL: https://issues.apache.org/jira/browse/DRILL-6776
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Web Server
>    Affects Versions: 1.14.0
>            Reporter: Igor Guzenko
>            Assignee: Igor Guzenko
>            Priority: Major
>             Fix For: 1.15.0
>
>
> In the case when cluster is built upon network isolated from internet, 
> First-time loading of UI takes about 25 seconds. Where 15 seconds browser spent 
> on waiting while request for /ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
> timed out.
> JQuery was added to static resources in scope of DRILL-5699, but dependency on 
> google's cdn wasn't fully removed. So the static resource was added as a [fallback|https://stackoverflow.com/questions/1014203/best-way-to-use-googles-hosted-jquery-but-fall-back-to-my-hosted-library-on-go] . I guess the main reason why fallback solution was applied is that there is a 
> higher probability that library from google's mdn may be found & loaded from browser's cache.
> Unfortunately this graceful solution doesn't work for really isolated environment, that's 
> why we need to fully remove the /ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js dependency.



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