Josh Rosen created SPARK-18256:
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Summary: Improve performance of event log replay in HistoryServer
based on profiler results
Key: SPARK-18256
URL: https://issues.apache.org/jira/browse/SPARK-18256
Project: Spark
Issue Type: Bug
Reporter: Josh Rosen
Assignee: Josh Rosen
Profiling event log replay in the HistoryServer reveals Json4S control flow
exceptions and `Utils.getFormattedClassName` calls as significant bottlenecks.
Eliminating these halves the time to replay long event logs.
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