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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:34:22 UTC

[jira] [Resolved] (SPARK-12209) spark.streaming.concurrentJobs and spark.streaming.backpressure.enabled

     [ https://issues.apache.org/jira/browse/SPARK-12209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-12209.
----------------------------------
    Resolution: Incomplete

> spark.streaming.concurrentJobs and spark.streaming.backpressure.enabled
> -----------------------------------------------------------------------
>
>                 Key: SPARK-12209
>                 URL: https://issues.apache.org/jira/browse/SPARK-12209
>             Project: Spark
>          Issue Type: Bug
>          Components: Scheduler
>    Affects Versions: 1.5.2
>            Reporter: Andrej Kazakov
>            Priority: Major
>              Labels: bulk-closed
>
> spark.streaming.backpressure.enabled doesn't take into account  spark.streaming.concurrentJobs. 
> The backpressure reduces the input rate until only one job is being processed at a time. Having concurrent jobs is interesting when dealing with high-latency backends, where the ingestion time is large enough, yet there is enough throughput capacity to have multiple jobs complete in parallel.



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