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https://issues.apache.org/jira/browse/YARN-7258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16193219#comment-16193219
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Hudson commented on YARN-7258:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13033 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13033/])
YARN-7258. Add Node and Rack Hints to Opportunistic Scheduler. (Kartheek (arun
suresh: rev b733348dde18a242e6c9074c512116a8baf1d281)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RemoteNodePBImpl.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/OpportunisticContainerAllocatorAMService.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.java
* (add)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestOpportunisticContainerAllocationE2E.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestOpportunisticContainerAllocatorAMService.java
* (delete)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestDistributedScheduling.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceRequest.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RemoteNode.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_service_protos.proto
* (delete)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestOpportunisticContainerAllocation.java
* (add)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/scheduler/TestOpportunisticContainerAllocator.java
> Add Node and Rack Hints to Opportunistic Scheduler
> --------------------------------------------------
>
> Key: YARN-7258
> URL: https://issues.apache.org/jira/browse/YARN-7258
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: kartheek muthyala
> Fix For: 3.0.0, 3.1.0
>
> Attachments: YARN-7258.001.patch, YARN-7258.002.patch,
> YARN-7258.003.patch, YARN-7258.004.patch
>
>
> Currently, the Opportunistic Scheduler ignores the node and rack information
> and allocates strictly on the least loaded node (based on queue length) at
> the time it received the request. This JIRA is to track changes needed to
> allow the OpportunisticContainerAllocator to take the node/rack name as hints.
> The flow would be:
> # If requested node found in the top K leastLoaded nodes, allocate on that
> node
> # Else, allocate on least loaded node on the same rack from the top K least
> Loaded nodes.
> # Else, allocate on least loaded node.
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