Stephan Walters created ZEPPELIN-5603:
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Summary: Notebook become unresponsive when multiple spark jobs are
launched from single paragraph
Key: ZEPPELIN-5603
URL: https://issues.apache.org/jira/browse/ZEPPELIN-5603
Project: Zeppelin
Issue Type: Bug
Components: spark
Affects Versions: 0.10.0, 0.9.0
Reporter: Stephan Walters
When using Spark 3 with adaptive query execution enabled (default from 3.2.0),
it is not uncommon to have many spark jobs actioned in a single paragraph.
Since every job receives a new Spark UI link in the Paragraph Control element,
it can slow down the browser considerably when the number of links grow beyond
a few hundred and the note (and browser) eventually becomes unresponsive.
This can be reproduced in any %spark paragraph using something like the
following:
{code:java}
%spark
Range(0,100000).foreach{ n => spark.range(1000).count} {code}
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