Igor Guzenko created DRILL-6776:
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Summary: 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
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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