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https://issues.apache.org/jira/browse/SPARK-2463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064486#comment-14064486
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Tathagata Das commented on SPARK-2463:
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No no, you can stop one StreamingContext (without stopping the
SparkContext, see optional params in StreamingContext.stop), and create and
start another StreamingContext. You just cannot have multiple
StreamingContexts active simultaneously in the same JVM (same as you cannot
have multiple SparkContexts active simultanesouly in the same JVM).
On Wed, Jul 16, 2014 at 6:55 PM, Nicholas Chammas (JIRA) <[email protected]>
> Creating multiple StreamingContexts from shell generates duplicate Streaming
> tabs in UI
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-2463
> URL: https://issues.apache.org/jira/browse/SPARK-2463
> Project: Spark
> Issue Type: Bug
> Components: Streaming, Web UI
> Affects Versions: 1.0.1
> Reporter: Nicholas Chammas
>
> Start a {{StreamingContext}} from the interactive shell and then stop it. Go
> to {{http://master_url:4040/streaming/}} and you will see a tab in the UI for
> Streaming.
> Now from the same shell, create and start a new {{StreamingContext}}. There
> will now be a duplicate tab for Streaming in the UI. Repeating this process
> generates additional Streaming tabs.
> They all link to the same information.
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