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https://issues.apache.org/jira/browse/SPARK-15703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16091531#comment-16091531
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Thomas Graves commented on SPARK-15703:
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It should not be breaking dynamic allocation, if it is, its definitely a bug.
The scheduler and critical pieces are not supposed to be relying on those
messages. If you are seeing issues with that please file a jira and if you
know where its broke go ahead and submit pr to fix.
> Make ListenerBus event queue size configurable
> ----------------------------------------------
>
> Key: SPARK-15703
> URL: https://issues.apache.org/jira/browse/SPARK-15703
> Project: Spark
> Issue Type: Improvement
> Components: Scheduler, Web UI
> Affects Versions: 2.0.0
> Reporter: Thomas Graves
> Assignee: Dhruve Ashar
> Priority: Minor
> Fix For: 2.0.1, 2.1.0
>
> Attachments: Screen Shot 2016-06-01 at 11.21.32 AM.png, Screen Shot
> 2016-06-01 at 11.23.48 AM.png, spark-dynamic-executor-allocation.png,
> SparkListenerBus .png
>
>
> The Spark UI doesn't seem to be showing all the tasks and metrics.
> I ran a job with 100000 tasks but Detail stage page says it completed 93029:
> Summary Metrics for 93029 Completed Tasks
> The Stages for all jobs pages list that only 89519/100000 tasks finished but
> its completed. The metrics for shuffled write and input are also incorrect.
> I will attach screen shots.
> I checked the logs and it does show that all the tasks actually finished.
> 16/06/01 16:15:42 INFO TaskSetManager: Finished task 59880.0 in stage 2.0
> (TID 54038) in 265309 ms on 10.213.45.51 (100000/100000)
> 16/06/01 16:15:42 INFO YarnClusterScheduler: Removed TaskSet 2.0, whose tasks
> have all completed, from pool
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