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https://issues.apache.org/jira/browse/SPARK-7533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-7533:
-----------------------------------
Assignee: Apache Spark
> Decrease spacing between AM-RM heartbeats.
> ------------------------------------------
>
> Key: SPARK-7533
> URL: https://issues.apache.org/jira/browse/SPARK-7533
> Project: Spark
> Issue Type: Improvement
> Components: YARN
> Affects Versions: 1.3.1
> Reporter: Sandy Ryza
> Assignee: Apache Spark
>
> The current default of spark.yarn.scheduler.heartbeat.interval-ms is 5
> seconds. This is really long. For reference, the MR equivalent is 1 second.
> To avoid noise and unnecessary communication, we could have a fast rate for
> when we're waiting for executors and a slow rate for when we're just
> heartbeating.
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