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https://issues.apache.org/jira/browse/SPARK-2982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14093816#comment-14093816
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dai zhiyuan commented on SPARK-2982:
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[~srowen] Please see the attached file.
> Glitch of spark streaming
> -------------------------
>
> Key: SPARK-2982
> URL: https://issues.apache.org/jira/browse/SPARK-2982
> Project: Spark
> Issue Type: Improvement
> Components: Streaming
> Affects Versions: 1.0.0
> Reporter: dai zhiyuan
> Attachments: cpu.png, io.png, network.png
>
>
> spark streaming task startup time is very focused,It creates a problem which
> is glitch of (network and cpu) , and cpu and network is in an idle state at
> lot of time,which is wasteful for system resources.
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