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https://issues.apache.org/jira/browse/YARN-9788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17015050#comment-17015050
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Hudson commented on YARN-9788:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #17861 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/17861/])
YARN-9788. Queue Management API does not support parallel updates. (snemeth:
rev 1c51f36be79924489ca4a2e5ca7e96ac75a6ec18)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/ConfigurationStoreBaseTest.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/MutableCSConfigurationProvider.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/FSSchedulerConfigurationStore.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestSchedConfCLI.java
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/YarnConfigurationStore.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/MutableConfigurationProvider.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMWebServices.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/TestMutableCSConfigurationProvider.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/InMemoryConfigurationStore.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/TestFSSchedulerConfigurationStore.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/TestZKConfigurationStore.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/TestLeveldbConfigurationStore.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/ZKConfigurationStore.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/LeveldbConfigurationStore.java
> Queue Management API does not support parallel updates
> ------------------------------------------------------
>
> Key: YARN-9788
> URL: https://issues.apache.org/jira/browse/YARN-9788
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Affects Versions: 3.3.0
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: YARN-9788-001.patch, YARN-9788-002.patch,
> YARN-9788-003.patch, YARN-9788-004.patch, YARN-9788-005.patch,
> YARN-9788-006.patch, YARN-9788-007.patch, YARN-9788-008.patch,
> YARN-9788-009.patch, YARN-9788-010.patch, YARN-9788-011.patch
>
>
> Queue Management API - does not support parallel updates. When there are two
> parallel schedule conf updates (logAndApplyMutation), the first update is
> overwritten by the second one.
> Currently the logAndApplyMutation creates LogMutation and stores it in a
> variable pendingMutation. This way at any given time there will be only one
> LogMutation. And so the two parallel logAndApplyMutation will override the
> pendingMutation and the later one only will be present.
> The fix is to return LogMutation object by logAndApplyMutation which can be
> passed during confirmMutation. This fixes the parallel updates.
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