[jira] [Resolved] (SPARK-20692) unknowing delay in event timeline

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-20692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-20692.
-------------------------------
    Resolution: Invalid

This isn't appropriate for a JIRA. Questions should go to user@spark.apache.org. There are lots of reasons for delays between jobs; many things could be busy on the driver. It's not actionable.

> unknowing delay in event timeline
> ---------------------------------
>
>                 Key: SPARK-20692
>                 URL: https://issues.apache.org/jira/browse/SPARK-20692
>             Project: Spark
>          Issue Type: Bug
>          Components: DStreams
>    Affects Versions: 1.6.2
>         Environment: Spark 1.6.1 + kafka 0.8.2
>            Reporter: Zhiwen Sun
>         Attachments: screenshot-1.png
>
>
> Spark streaming job with 1s interval.
> Process time of micro batch suddenly became to 4s while is is usually 0.4s .
> When we check where the time spent, we find a unknown delay in job. 
> There is no executor computing or shuffle reading. It is about 4s blank in event timeline, 
> event timeline snapshot is in attachment.



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