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https://issues.apache.org/jira/browse/SPARK-17469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15486668#comment-15486668
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Christopher Mårtensson commented on SPARK-17469:
------------------------------------------------
nc -lk 1234 &; ./bin/run-example streaming.StatefulNetworkWordCount localhost
1234
> mapWithState causes block lock warning
> --------------------------------------
>
> Key: SPARK-17469
> URL: https://issues.apache.org/jira/browse/SPARK-17469
> Project: Spark
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 2.0.0
> Environment: run-example
> Reporter: Christopher Mårtensson
> Priority: Minor
>
> run-example with StatefulNetworkWordCount gives warnings like the following
> -------------------------------------------
> Time: 1473416200000 ms
> -------------------------------------------
> 16/09/09 12:16:41 WARN Executor: 1 block locks were not released by TID =
> 1788:
> [rdd_2475_0]
> 16/09/09 12:16:41 WARN Executor: 1 block locks were not released by TID =
> 1791:
> [rdd_2475_3]
> 16/09/09 12:16:41 WARN Executor: 1 block locks were not released by TID =
> 1790:
> [rdd_2475_2]
> 16/09/09 12:16:41 WARN Executor: 1 block locks were not released by TID =
> 1789:
> [rdd_2475_1]
> -------------------------------------------
> Time: 1473416201000 ms
> -------------------------------------------
> 16/09/09 12:16:42 WARN Executor: 1 block locks were not released by TID =
> 1792:
> [rdd_2481_0]
> 16/09/09 12:16:42 WARN Executor: 1 block locks were not released by TID =
> 1794:
> [rdd_2481_2]
> 16/09/09 12:16:42 WARN Executor: 1 block locks were not released by TID =
> 1795:
> [rdd_2481_3]
> 16/09/09 12:16:42 WARN Executor: 1 block locks were not released by TID =
> 1793:
> [rdd_2481_1]
> This was also reproduced by running any other application using mapWithState.
> Only tested in local mode.
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