YARN-11610. [Federation] Add WeightedHomePolicyManager. #6256

slfan1989 · 2023-11-05T05:53:20Z

Description of PR

JIRA: YARN-11610. [Federation] Add WeightedHomePolicyManager.

The current version of YARN Federation supports cross-cluster allocation of containers, but this feature is not yet fully mature. It will be a key focus for iteration in our next version.

In our current implementation of YARN Federation, after selecting the HomeSubCluster, tasks are executed within that cluster and all containers are allocated within it. We can achieve this using the WeightedLocalityPolicyManager, but it requires extensive configuration, especially for queue amrmWeight.

To simplify usage, we have created a new PolicyManager that selects sub-clusters based on queue weights and ensures tasks are executed entirely within the chosen sub-cluster. This eliminates the need for complex configuration and provides a more user-friendly experience when using YARN Federation.

How was this patch tested?

For code changes:

Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

hadoop-yetus · 2023-11-05T07:30:11Z

💔 -1 overall

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+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 1 new or modified test files.
			_ trunk Compile Tests _
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			_ Patch Compile Tests _
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-0 ⚠️	checkstyle	0m 15s	/results-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-common.txt	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common: The patch generated 2 new + 0 unchanged - 0 fixed = 2 total (was 0)
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			_ Other Tests _
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+1 💚	asflicense	0m 29s		The patch does not generate ASF License warnings.
		95m 40s

Reason	Tests
Failed junit tests	hadoop.yarn.server.federation.policies.manager.TestWeightedHomePolicyManager

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6256/1/artifact/out/Dockerfile
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hadoop-yetus · 2023-11-08T14:32:28Z

🎊 +1 overall

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			_ Other Tests _
+1 💚	unit	2m 41s		hadoop-yarn-server-common in the patch passed.
+1 💚	asflicense	0m 29s		The patch does not generate ASF License warnings.
		87m 58s

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slfan1989 · 2023-11-09T15:09:24Z

@goiri Can you help review this PR? Thank you very much!

hadoop-yetus · 2023-11-09T16:47:52Z

🎊 +1 overall

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		87m 47s

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slfan1989 · 2023-11-13T14:12:23Z

@goiri Can you help review this PR? Thank you very much!

goiri · 2023-11-15T18:47:09Z

...org/apache/hadoop/yarn/server/federation/policies/manager/TestWeightedHomePolicyManager.java

+    routerWeights.put(new SubClusterIdInfo(sc1), 0.2f);
+    policyInfo.setRouterPolicyWeights(routerWeights);
+
+    ((WeightedHomePolicyManager) wfp).setWeightedPolicyInfo(policyInfo);


Can we declare wfp as WeightedHomePolicyManager directly to avoid the casting around?

Thank you very much for your help in reviewing the code! I will improve this part of the code.

hadoop-yetus · 2023-11-16T17:27:55Z

🎊 +1 overall

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			_ trunk Compile Tests _
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			_ Patch Compile Tests _
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		159m 26s

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hadoop-yetus · 2023-11-19T01:29:35Z

🎊 +1 overall

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		89m 28s

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modules	C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6256/5/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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slfan1989 · 2023-11-19T02:05:46Z

@goiri Thank you very much for your help in reviewing the code! I will continue to follow up on YARN-11614.

… Contributed by Shilun Fan. Reviewed-by: Inigo Goiri <[email protected]> Signed-off-by: Shilun Fan <[email protected]>

YARN-11610. [Federation] Add WeightedHomePolicyManager.

a8554e6

slfan1989 marked this pull request as draft November 5, 2023 05:53

github-actions bot added YARN trunk labels Nov 5, 2023

YARN-11610. Fix CheckStyle.

c656175

slfan1989 marked this pull request as ready for review November 8, 2023 13:09

YARN-11610. Fix CheckStyle.

7f10954

goiri reviewed Nov 15, 2023

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YARN-11610. Fix CheckStyle.

9dbdadf

goiri approved these changes Nov 16, 2023

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Merge branch 'apache:trunk' into YARN-11610

7c15239

slfan1989 merged commit 53c3ae1 into apache:trunk Nov 19, 2023
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YARN-11610. [Federation] Add WeightedHomePolicyManager. #6256

YARN-11610. [Federation] Add WeightedHomePolicyManager. #6256

slfan1989 commented Nov 5, 2023 •

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slfan1989 commented Nov 19, 2023

YARN-11610. [Federation] Add WeightedHomePolicyManager. #6256

YARN-11610. [Federation] Add WeightedHomePolicyManager. #6256

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Description of PR

How was this patch tested?

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slfan1989 commented Nov 5, 2023 •

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