[jira] [Resolved] (SPARK-15354) Topology aware block replication strategies

["Wenchen Fan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-15354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-15354.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0

Issue resolved by pull request 13932
[https://github.com/apache/spark/pull/13932]

> 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
>             Fix For: 2.2.0
>
>
> 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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