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  1. Test YARN-2011
    Fix typo and warning in TestLeafQueue
  2. Improvement YARN-2159
    Better logging in SchedulerNode#allocateContainer
  3. Test YARN-2224
    Explicitly enable vmem check in TestContainersMonitor#testContainerKillOnMemoryOverflow
  4. Bug YARN-2204
    TestAMRestart#testAMRestartWithExistingContainers assumes CapacityScheduler
  5. Improvement YARN-2061
    Revisit logging levels in ZKRMStateStore
  6. Bug YARN-2036
    Document yarn.resourcemanager.hostname in ClusterSetup
  7. Bug YARN-2042
    String shouldn't be compared using == in QueuePlacementRule#NestedUserQueue#getQueueForApp()
  8. Test YARN-1970
    Prepare YARN codebase for JUnit 4.11.
  9. Task YARN-2125
    ProportionalCapacityPreemptionPolicy should only log CSV when debug enabled
  10. Bug YARN-2163
    WebUI: Order of AppId in apps table should be consistent with ApplicationId.compareTo().
  11. Sub-task YARN-2117
    Close of Reader in TimelineAuthenticationFilterInitializer#initFilter() should be enclosed in finally block
  12. Improvement YARN-1424
    RMAppAttemptImpl should return the DummyApplicationResourceUsageReport for all invalid accesses
  13. Bug YARN-2241
    ZKRMStateStore: On startup, show nicer messages if znodes already exist
  14. Test YARN-2216
    TestRMApplicationHistoryWriter sometimes fails in trunk
  15. Bug YARN-1784
    TestContainerAllocation assumes CapacityScheduler
  16. Test YARN-2270
    TestFSDownload#testDownloadPublicWithStatCache fails in trunk
  17. Test YARN-766
    TestNodeManagerShutdown in branch-2 should use Shell to form the output path and a format issue in trunk
  18. Improvement YARN-4981
    limit the max containers to assign to one application per heartbeart
  19. Bug YARN-3953
    Nodemanager is shutting down while executing application
  20. Sub-task YARN-2059
    Extend access control for admin acls
  21. Test YARN-2018
    TestClientRMService.testTokenRenewalWrongUser fails after HADOOP-10562
  22. Sub-task YARN-2017
    Merge some of the common lib code in schedulers
  23. Improvement YARN-1939
    Improve the packaging of AmIpFilter
  24. Bug YARN-1940
    deleteAsUser() terminates early without deleting more files on error
  25. Sub-task YARN-2052
    ContainerId creation after work preserving restart is broken
  26. Bug YARN-2054
    Better defaults for YARN ZK configs for retries and retry-inteval when HA is enabled
  27. Improvement YARN-2030
    Use StateMachine to simplify handleStoreEvent() in RMStateStore
  28. Improvement YARN-2012
    Fair Scheduler: allow default queue placement rule to take an arbitrary queue
  29. Bug YARN-1976
    Tracking url missing http protocol for FAILED application
  30. Bug YARN-2111
    In FairScheduler.attemptScheduling, we don't count containers as assigned if they have 0 memory but non-zero cores
  31. Sub-task YARN-2107
    Refactor timeline classes into server.timeline package
  32. Bug YARN-2112
    Hadoop-client is missing jackson libs due to inappropriate configs in pom.xml
  33. Sub-task YARN-2040
    Recover information about finished containers
  34. Sub-task YARN-2049
    Delegation token stuff for the timeline sever
  35. Bug YARN-1981
    Nodemanager version is not updated when a node reconnects
  36. Sub-task YARN-1938
    Kerberos authentication for the timeline server
  37. Sub-task YARN-1937
    Add entity-level access control of the timeline data for owners only
  38. Sub-task YARN-1936
    Secured timeline client
  39. Improvement YARN-1987
    Wrapper for leveldb DBIterator to aid in handling database exceptions
  40. Bug YARN-1907
    TestRMApplicationHistoryWriter#testRMWritingMassiveHistory runs slow and intermittently fails
  41. Bug YARN-2181
    Add preemption info to RM Web UI and add logs when preemption occurs
  42. Bug YARN-2068
    FairScheduler uses the same ResourceCalculator for all policies
  43. Bug YARN-2187
    FairScheduler: Disable max-AM-share check by default
  44. Bug YARN-2128
    FairScheduler: Incorrect calculation of amResource usage
  45. Task YARN-2091
    Add more values to ContainerExitStatus and pass it from NM to RM and then to app masters
  46. Bug YARN-2065
    AM cannot create new containers after restart-NM token from previous attempt used
  47. Sub-task YARN-2152
    Recover missing container information
  48. Sub-task YARN-2071
    Enforce more restricted permissions for the directory of Leveldb store
  49. Bug YARN-2167
    LeveldbIterator should get closed in NMLeveldbStateStoreService#loadLocalizationState() within finally block
  50. Bug YARN-2132
    ZKRMStateStore.ZKAction#runWithRetries doesn't log the exception it encounters
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