Josh Rosen created SPARK-18236:
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Summary: Reduce memory usage of Spark UI and HistoryServer by
reducing duplicate objects
Key: SPARK-18236
URL: https://issues.apache.org/jira/browse/SPARK-18236
Project: Spark
Issue Type: Improvement
Components: Web UI
Reporter: Josh Rosen
Assignee: Josh Rosen
When profiling heap dumps from the Spark History Server and live Spark web UIs,
I found a tremendous amount of memory being wasted on duplicate objects and
strings. A few small changes can cut per-task UI memory by half or more.
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