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https://issues.apache.org/jira/browse/FLINK-7076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237748#comment-16237748
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ASF GitHub Bot commented on FLINK-7076:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/4729#discussion_r148809690
--- Diff:
flink-yarn/src/main/java/org/apache/flink/yarn/YarnResourceManager.java ---
@@ -260,6 +287,7 @@ public void onContainersAllocated(List<Container>
containers) {
numPendingContainerRequests = Math.max(0,
numPendingContainerRequests - 1);
log.info("Received new container: {} - Remaining
pending container requests: {}",
container.getId(),
numPendingContainerRequests);
+ workerNodeMap.put(container.getId().toString(), new
YarnWorkerNode(container));
--- End diff --
Here we should create a `ResourceID` to use it as the key. This
`ResourceID` must then be send to the launched TaskManager such that it uses it
upon registration.
> Implement container release to support dynamic scaling
> ------------------------------------------------------
>
> Key: FLINK-7076
> URL: https://issues.apache.org/jira/browse/FLINK-7076
> Project: Flink
> Issue Type: Sub-task
> Components: ResourceManager
> Reporter: Till Rohrmann
> Assignee: Shuyi Chen
> Priority: Major
> Labels: flip-6
>
> In order to support dynamic scaling, the {{YarnResourceManager}} has to be
> able to dynamically free containers. We have to implement the
> {{YarnResourceManager#stopWorker}} method.
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