[jira] [Created] (YARN-7138) Fix incompatible API change for YarnScheduler involved by YARN-5521

["Junping Du (JIRA)" <ji...@apache.org>]

Junping Du created YARN-7138:
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             Summary: Fix incompatible API change for YarnScheduler involved by YARN-5521
                 Key: YARN-7138
                 URL: https://issues.apache.org/jira/browse/YARN-7138
             Project: Hadoop YARN
          Issue Type: Bug
          Components: scheduler
            Reporter: Junping Du
            Priority: Blocker


From JACC report for 2.8.2 against 2.7.4, it indicates that we have incompatible changes happen in YarnScheduler:
{noformat}
hadoop-yarn-server-resourcemanager-2.7.4.jar, YarnScheduler.class
package org.apache.hadoop.yarn.server.resourcemanager.scheduler
YarnScheduler.allocate ( ApplicationAttemptId p1, List<ResourceRequest> p2, List<ContainerId> p3, List<String> p4, List<String> p5 ) [abstract]  :  Allocation 
{noformat}
The root cause is YARN-5221. We should change it back or workaround this by adding back original API (mark as deprecated if not used any more).



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