Noritaka Sekiyama created SPARK-28069:
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Summary: Switch log directory from Spark UI without restarting
history server
Key: SPARK-28069
URL: https://issues.apache.org/jira/browse/SPARK-28069
Project: Spark
Issue Type: Improvement
Components: Web UI
Affects Versions: 2.4.3
Reporter: Noritaka Sekiyama
History server polls the directory specified in spark.history.fs.logDirectory,
and displays the event logs based on the data included in the directory.
In the Cloud, event logs might be written into different directories from
different clusters.
Currently it is not so easy to launch history server for multiple clusters
because there is no ways to switch log directory after starting the history
server.
If users can switch log directory from Spark UI without restarting history
server, it would be beneficial for users who wants to use Cloud storage for
event log directory.
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