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https://issues.apache.org/jira/browse/FLINK-9410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16492458#comment-16492458
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ASF GitHub Bot commented on FLINK-9410:
---------------------------------------
Github user sihuazhou commented on a diff in the pull request:
https://github.com/apache/flink/pull/6087#discussion_r191162395
--- Diff:
flink-yarn/src/main/java/org/apache/flink/yarn/YarnResourceManager.java ---
@@ -510,4 +509,39 @@ private int generatePriority(ResourceProfile
resourceProfile) {
}
}
+ /**
+ * Implements NMClientAsyncCallbackHandler.
+ */
+ private class NMClientAsyncCallbackHandler implements
NMClientAsync.CallbackHandler {
--- End diff --
Maybe we could let YarnResourceManager to implement this interface, as it
has implemented the `AMRMClientAsync.CallbackHandler`.
> Replace NMClient with NMClientAsync in YarnResourceManager
> ----------------------------------------------------------
>
> Key: FLINK-9410
> URL: https://issues.apache.org/jira/browse/FLINK-9410
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Coordination
> Affects Versions: 1.5.0, 1.6.0
> Reporter: Till Rohrmann
> Assignee: mingleizhang
> Priority: Critical
> Fix For: 1.6.0
>
>
> Currently, the {{YarnResourceManager}} uses the synchronous {{NMClient}}
> which is called from within the main thread of the {{ResourceManager}}. Since
> these operations are blocking, we should replace the client with the
> {{NMClientAsync}} and make the calls non blocking.
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