Kay Ousterhout created SPARK-7932:
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Summary: Scheduler delay shown in event timeline is incorrect
Key: SPARK-7932
URL: https://issues.apache.org/jira/browse/SPARK-7932
Project: Spark
Issue Type: Bug
Components: Web UI
Reporter: Kay Ousterhout
Assignee: Kay Ousterhout
Priority: Minor
In StagePage.scala, we round *down* to the nearest percent when computing the
proportion of a task's time spend in each phase of execution. Scheduler delay
is computed by taking 100 - sum(all other proportions), which means that a few
extra percent may go into the scheduler delay. As a result, scheduler delay
can appear larger in the visualization than it actually is.
cc [~shivaram]
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