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https://issues.apache.org/jira/browse/SPARK-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14681030#comment-14681030
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Apache Spark commented on SPARK-9806:
-------------------------------------
User 'mindprince' has created a pull request for this issue:
https://github.com/apache/spark/pull/8088
> Don't share ReplayListenerBus between multiple applications
> -----------------------------------------------------------
>
> Key: SPARK-9806
> URL: https://issues.apache.org/jira/browse/SPARK-9806
> Project: Spark
> Issue Type: Bug
> Components: Web UI
> Affects Versions: 1.4.0
> Reporter: Rohit Agarwal
> Priority: Minor
>
> Currently, we are sharing {{ReplayListenerBus}} for replaying the event logs
> of various apps.
> https://github.com/apache/spark/blob/v1.4.0/core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala#L226
> While replaying the event log for a particular app, we add an
> {{ApplicationEventListener}} to the bus.
> https://github.com/apache/spark/blob/v1.4.0/core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala#L391
> But we never remove it.
> This result in something like the following:
> {code}
> 15/08/11 00:04:00 log-replay-executor INFO FsHistoryProvider: Replaying log
> path:
> hdfs://localhost:9000/spark-history/application_1438993108319_0146_1.snappy
> 15/08/11 00:04:01 log-replay-executor INFO ApplicationEventListener:
> onEnvUpdate
> 15/08/11 00:04:01 log-replay-executor INFO ApplicationEventListener:
> onApplicationStart
> 15/08/11 00:04:40 log-replay-executor INFO ApplicationEventListener:
> onApplicationEnd
> 15/08/11 00:04:40 log-replay-executor INFO FsHistoryProvider: Elapsed time:
> 39.730114407s
> 15/08/11 00:04:40 log-replay-executor INFO FsHistoryProvider: Application log
> application_1438993108319_0146_1.snappy loaded successfully.
> 15/08/11 00:04:40 log-replay-executor INFO FsHistoryProvider: Replaying log
> path:
> hdfs://localhost:9000/spark-history/application_1438993108319_0126_1.snappy
> 15/08/11 00:04:40 log-replay-executor INFO ApplicationEventListener:
> onEnvUpdate
> 15/08/11 00:04:40 log-replay-executor INFO ApplicationEventListener:
> onEnvUpdate
> 15/08/11 00:04:40 log-replay-executor INFO ApplicationEventListener:
> onApplicationStart
> 15/08/11 00:04:40 log-replay-executor INFO ApplicationEventListener:
> onApplicationStart
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onApplicationEnd
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onApplicationEnd
> 15/08/11 00:05:00 log-replay-executor INFO FsHistoryProvider: Elapsed time:
> 20.483128154s
> 15/08/11 00:05:00 log-replay-executor INFO FsHistoryProvider: Application log
> application_1438993108319_0126_1.snappy loaded successfully.
> 15/08/11 00:05:00 log-replay-executor INFO FsHistoryProvider: Replaying log
> path:
> hdfs://localhost:9000/spark-history/application_1438993108319_0116_1.snappy
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onEnvUpdate
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onEnvUpdate
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onEnvUpdate
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onApplicationStart
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onApplicationStart
> 15/08/11 00:05:00 log-replay-executor INFO ApplicationEventListener:
> onApplicationStart
> 15/08/11 00:05:29 log-replay-executor INFO ApplicationEventListener:
> onApplicationEnd
> 15/08/11 00:05:29 log-replay-executor INFO ApplicationEventListener:
> onApplicationEnd
> 15/08/11 00:05:29 log-replay-executor INFO ApplicationEventListener:
> onApplicationEnd
> 15/08/11 00:05:29 log-replay-executor INFO FsHistoryProvider: Elapsed time:
> 29.110070845s
> 15/08/11 00:05:29 log-replay-executor INFO FsHistoryProvider: Application log
> application_1438993108319_0116_1.snappy loaded successfully.
> {code}
> We should either remove the listener from the bus or create a new bus for
> each app.
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