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https://issues.apache.org/jira/browse/AIRFLOW-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16601290#comment-16601290
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Apache Spark commented on AIRFLOW-1386:
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User 'shaform' has created a pull request for this issue:
https://github.com/apache/incubator-airflow/pull/2423
> Add a SLEEP state for sensors
> -----------------------------
>
> Key: AIRFLOW-1386
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1386
> Project: Apache Airflow
> Issue Type: Wish
> Components: scheduler
> Reporter: Yong-Siang Shih
> Priority: Minor
>
> Currently when the sensor is sleeping, the task process is in RUNING state
> and it still consumes resources such as memory (because the process does not
> terminate). This is waste of resource, especially when there are thousands of
> sensors sleeping and poking. Preferably when it sleeps, it would enter a
> SLEEP state and terminate, waiting for scheduler to reschedule it.
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