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https://issues.apache.org/jira/browse/YARN-5548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15693839#comment-15693839
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Rohith Sharma K S commented on YARN-5548:
-----------------------------------------
Skimming through the patch. I went through most of the test cases and found
some inferences. There are mainly 2 types of tests are required to user
MemoryRMStateStores.
# RM Restart/RMHA test cases mainly required to pass to test
recovery/work-preserving process.
# Few test that are using to control specific events stored in RMState stores.
So, need not to change every where blindly. May be test can set explicitly set
statestore class as memoryRMStatestore like
conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
On additional thought, can you expose statestore method in MockRM, so that it
can be used for RMRestart/HA cases?
> Use MockRMMemoryStateStore to reduce test failures
> --------------------------------------------------
>
> Key: YARN-5548
> URL: https://issues.apache.org/jira/browse/YARN-5548
> Project: Hadoop YARN
> Issue Type: Test
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Labels: oct16-easy, test
> Attachments: YARN-5548.0001.patch, YARN-5548.0002.patch,
> YARN-5548.0003.patch, YARN-5548.0004.patch, YARN-5548.0005.patch,
> YARN-5548.0006.patch, YARN-5548.0007.patch
>
>
> https://builds.apache.org/job/PreCommit-YARN-Build/12850/testReport/org.apache.hadoop.yarn.server.resourcemanager/TestRMRestart/testFinishedAppRemovalAfterRMRestart/
> {noformat}
> Error Message
> Stacktrace
> java.lang.AssertionError: expected null, but was:<submit_time: 1471885197416
> application_submission_context { application_id { id: 1 cluster_timestamp:
> 1471885197388 } application_name: "" queue: "default" priority { priority: 0
> } am_container_spec { } cancel_tokens_when_complete: true maxAppAttempts: 2
> resource { memory: 1024 virtual_cores: 1 } applicationType: "YARN"
> keep_containers_across_application_attempts: false
> attempt_failures_validity_interval: 0 am_container_resource_request {
> priority { priority: 0 } resource_name: "*" capability { memory: 1024
> virtual_cores: 1 } num_containers: 0 relax_locality: true
> node_label_expression: "" execution_type_request { execution_type: GUARANTEED
> enforce_execution_type: false } } } user: "jenkins" start_time: 1471885197417
> application_state: RMAPP_FINISHED finish_time: 1471885197478>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotNull(Assert.java:664)
> at org.junit.Assert.assertNull(Assert.java:646)
> at org.junit.Assert.assertNull(Assert.java:656)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testFinishedAppRemovalAfterRMRestart(TestRMRestart.java:1656)
> {noformat}
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