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https://issues.apache.org/jira/browse/SPARK-15354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-15354:
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Assignee: (was: Apache Spark)
> Topology aware block replication strategies
> -------------------------------------------
>
> Key: SPARK-15354
> URL: https://issues.apache.org/jira/browse/SPARK-15354
> Project: Spark
> Issue Type: Sub-task
> Components: Mesos, Spark Core, YARN
> Reporter: Shubham Chopra
>
> Implementations of strategies for resilient block replication for different
> resource managers that replicate the 3-replica strategy used by HDFS, where
> the first replica is on an executor, the second replica within the same rack
> as the executor and a third replica on a different rack.
> The implementation involves providing two pluggable classes, one running in
> the driver that provides topology information for every host at cluster start
> and the second prioritizing a list of peer BlockManagerIds.
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