Ruifeng Zheng created SPARK-44863:
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Summary: Add a button to download thread dump as a txt file in
Spark UI
Key: SPARK-44863
URL: https://issues.apache.org/jira/browse/SPARK-44863
Project: Spark
Issue Type: New Feature
Components: Web UI
Affects Versions: 4.0.0
Reporter: Ruifeng Zheng
Add a new button on the thread dump page of Spark Web Ui to download the thread
dump in text format.
Right now if a user wants to collect a thread dump for an executor or driver
using Spark UI, the thread dump is displayed as an html page. User can click on
expand all button and then save that html file or take screen shots. However
for debugging purpose it is always helpful to have the jstack output in raw
text format without any html formatting and the process of saving the file
should be simple as one click. In this Jira we propose to add a button on the
Spark Ui page to be able to directly save or display the thread dump output in
raw text format without html formatting.
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