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Posted to issues@spark.apache.org by "Shixiong Zhu (JIRA)" <ji...@apache.org> on 2016/06/21 20:47:58 UTC
[jira] [Updated] (SPARK-16002) Sleep when no new data arrives to
avoid 100% CPU usage
[ https://issues.apache.org/jira/browse/SPARK-16002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shixiong Zhu updated SPARK-16002:
---------------------------------
Issue Type: Sub-task (was: Improvement)
Parent: SPARK-8360
> Sleep when no new data arrives to avoid 100% CPU usage
> ------------------------------------------------------
>
> Key: SPARK-16002
> URL: https://issues.apache.org/jira/browse/SPARK-16002
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Shixiong Zhu
> Assignee: Shixiong Zhu
> Fix For: 2.0.0
>
>
> Right now if the trigger is ProcessTrigger(0), StreamExecution will keep polling new data even if there is no data. Then the CPU usage will be 100%. We should add a minimum polling delay when no new data arrives.
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