[jira] [Updated] (YARN-10251) Show extended resources on legacy RM UI.

[ https://issues.apache.org/jira/browse/YARN-10251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Eric Payne updated YARN-10251: -- Attachment: YARN-10251.004.patch > Show extended resources on legacy RM UI. >

[jira] [Commented] (YARN-10251) Show extended resources on legacy RM UI.

[ https://issues.apache.org/jira/browse/YARN-10251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126964#comment-17126964 ] Eric Payne commented on YARN-10251: --- Attached patch 004, which should address the unit test failures,

[jira] [Commented] (YARN-10295) CapacityScheduler NPE can cause apps to get stuck without resources

[ https://issues.apache.org/jira/browse/YARN-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126981#comment-17126981 ] Hadoop QA commented on YARN-10295: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Updated] (YARN-9809) NMs should supply a health status when registering with RM

[ https://issues.apache.org/jira/browse/YARN-9809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Eric Badger updated YARN-9809: -- Attachment: YARN-9809.001.patch > NMs should supply a health status when registering with RM >

[jira] [Commented] (YARN-10251) Show extended resources on legacy RM UI.

[ https://issues.apache.org/jira/browse/YARN-10251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17127078#comment-17127078 ] Hadoop QA commented on YARN-10251: -- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem

[jira] [Commented] (YARN-9460) QueueACLsManager and ReservationsACLManager should not use instanceof checks

[ https://issues.apache.org/jira/browse/YARN-9460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17127016#comment-17127016 ] Hadoop QA commented on YARN-9460: - | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (YARN-9809) NMs should supply a health status when registering with RM

[ https://issues.apache.org/jira/browse/YARN-9809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17127025#comment-17127025 ] Eric Badger commented on YARN-9809: --- Patch 001 adds the feature but makes it opt-in via the config

[jira] [Commented] (YARN-9355) RMContainerRequestor#makeRemoteRequest has confusing log message

[ https://issues.apache.org/jira/browse/YARN-9355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126524#comment-17126524 ] Szilard Nemeth commented on YARN-9355: -- Hi [~umittal], Do you have any updates on this? >

[jira] [Commented] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126523#comment-17126523 ] Szilard Nemeth commented on YARN-10296: --- [~bteke], [~wangda]: Could you please discuss what other

[jira] [Commented] (YARN-10286) PendingContainers bugs in the scheduler outputs

[ https://issues.apache.org/jira/browse/YARN-10286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126499#comment-17126499 ] Szilard Nemeth commented on YARN-10286: --- Thanks [~gandras], Committed your 2 remaining patches to

[jira] [Updated] (YARN-10286) PendingContainers bugs in the scheduler outputs

[ https://issues.apache.org/jira/browse/YARN-10286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Szilard Nemeth updated YARN-10286: -- Fix Version/s: 3.3.1 3.2.2 > PendingContainers bugs in the scheduler

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126516#comment-17126516 ] Szilard Nemeth commented on YARN-10292: --- Hi [~bteke], The latest patch looks good, I've only found

[jira] [Commented] (YARN-9460) QueueACLsManager and ReservationsACLManager should not use instanceof checks

[ https://issues.apache.org/jira/browse/YARN-9460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126465#comment-17126465 ] Bilwa S T commented on YARN-9460: - cc [~inigoiri] > QueueACLsManager and ReservationsACLManager should

[jira] [Updated] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Szilard Nemeth updated YARN-10296: -- Fix Version/s: 3.4.0 > Make ContainerPBImpl#getId/setId synchronized >

[jira] [Commented] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126521#comment-17126521 ] Szilard Nemeth commented on YARN-10296: --- Thanks [~bteke] for working on this, Patch LGTM, committed

[jira] [Updated] (YARN-10274) Merge QueueMapping and QueueMappingEntity

[ https://issues.apache.org/jira/browse/YARN-10274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Szilard Nemeth updated YARN-10274: -- Fix Version/s: 3.4.0 > Merge QueueMapping and QueueMappingEntity >

[jira] [Resolved] (YARN-9887) Capacity scheduler: add support for limiting maxRunningApps per user

[ https://issues.apache.org/jira/browse/YARN-9887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko resolved YARN-9887. Resolution: Duplicate Closing this as duplicate. Implementation is tracked under YARN-9930. >

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126639#comment-17126639 ] Hadoop QA commented on YARN-10292: -- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem

[jira] [Commented] (YARN-10293) Reserved Containers not allocated from available space of other nodes in CandidateNodeSet in MultiNodePlacement (YARN-10259)

[ https://issues.apache.org/jira/browse/YARN-10293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126655#comment-17126655 ] Prabhu Joseph commented on YARN-10293: -- Thanks [~Tao Yang] for the review. Have addressed below

[jira] [Commented] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126547#comment-17126547 ] Hudson commented on YARN-10296: --- SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #18327 (See

[jira] [Commented] (YARN-10274) Merge QueueMapping and QueueMappingEntity

[ https://issues.apache.org/jira/browse/YARN-10274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126601#comment-17126601 ] Hudson commented on YARN-10274: --- SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #18328 (See

[jira] [Updated] (YARN-10295) CapacityScheduler NPE can cause apps to get stuck without resources

[ https://issues.apache.org/jira/browse/YARN-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benjamin Teke updated YARN-10295: - Attachment: (was: YARN-10295.002.branch-3.2.patch) > CapacityScheduler NPE can cause apps to

[jira] [Updated] (YARN-10295) CapacityScheduler NPE can cause apps to get stuck without resources

[ https://issues.apache.org/jira/browse/YARN-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benjamin Teke updated YARN-10295: - Attachment: YARN-10295.002.branch-3.2.patch > CapacityScheduler NPE can cause apps to get stuck

[jira] [Updated] (YARN-10284) Add lazy initialization of LogAggregationFileControllerFactory in LogServlet

[ https://issues.apache.org/jira/browse/YARN-10284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Szilard Nemeth updated YARN-10284: -- Fix Version/s: 3.3.1 > Add lazy initialization of LogAggregationFileControllerFactory in

[jira] [Updated] (YARN-10293) Reserved Containers not allocated from available space of other nodes in CandidateNodeSet in MultiNodePlacement (YARN-10259)

[ https://issues.apache.org/jira/browse/YARN-10293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Prabhu Joseph updated YARN-10293: - Attachment: YARN-10293-004.patch > Reserved Containers not allocated from available space of

[jira] [Commented] (YARN-10284) Add lazy initialization of LogAggregationFileControllerFactory in LogServlet

[ https://issues.apache.org/jira/browse/YARN-10284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126650#comment-17126650 ] Szilard Nemeth commented on YARN-10284: --- Thanks [~adam.antal], Patch for branch-3.3 LGTM, committed

[jira] [Resolved] (YARN-10307) /leveldb-timeline-store.ldb/LOCK not exist

[ https://issues.apache.org/jira/browse/YARN-10307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] appleyuchi resolved YARN-10307. --- Fix Version/s: 3.1.2 Release Note: I have solved it. Thanks for your help Resolution:

[jira] [Commented] (YARN-10295) CapacityScheduler NPE can cause apps to get stuck without resources

[ https://issues.apache.org/jira/browse/YARN-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126577#comment-17126577 ] Szilard Nemeth commented on YARN-10295: --- Hi [~bteke], Looked at patch

[jira] [Commented] (YARN-10274) Merge QueueMapping and QueueMappingEntity

[ https://issues.apache.org/jira/browse/YARN-10274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126591#comment-17126591 ] Szilard Nemeth commented on YARN-10274: --- Thanks [~shuzirra] for working on this. Checked your code,

[jira] [Commented] (YARN-10295) CapacityScheduler NPE can cause apps to get stuck without resources

[ https://issues.apache.org/jira/browse/YARN-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126613#comment-17126613 ] Benjamin Teke commented on YARN-10295: -- Hi [~snemeth], Thanks. Good point, added an explaining

[jira] [Commented] (YARN-10274) Merge QueueMapping and QueueMappingEntity

[ https://issues.apache.org/jira/browse/YARN-10274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126634#comment-17126634 ] Sunil G commented on YARN-10274: I think lets get this in to 3.3 > Merge QueueMapping and

[jira] [Commented] (YARN-8631) YARN RM fails to add the application to the delegation token renewer on recovery

[ https://issues.apache.org/jira/browse/YARN-8631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126660#comment-17126660 ] Szilard Nemeth commented on YARN-8631: -- [~umittal], Ahh okay, sorry for the confusion it's indeed a

[jira] [Commented] (YARN-9460) QueueACLsManager and ReservationsACLManager should not use instanceof checks

[ https://issues.apache.org/jira/browse/YARN-9460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126673#comment-17126673 ] Peter Bacsko commented on YARN-9460: [~BilwaST] I have a comment. Right now if the scheduler is not

[jira] [Commented] (YARN-10295) CapacityScheduler NPE can cause apps to get stuck without resources

[ https://issues.apache.org/jira/browse/YARN-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126545#comment-17126545 ] Adam Antal commented on YARN-10295: --- Thanks for the explanation [~bteke]. LGTM (non-binding). >

[jira] [Updated] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benjamin Teke updated YARN-10292: - Attachment: YARN-10292.002.patch > FS-CS converter: add an option to enable asynchronous

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126572#comment-17126572 ] Benjamin Teke commented on YARN-10292: -- Hi [~snemeth], Thanks for the review! I switched the test

[jira] [Updated] (YARN-10295) CapacityScheduler NPE can cause apps to get stuck without resources

[ https://issues.apache.org/jira/browse/YARN-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benjamin Teke updated YARN-10295: - Attachment: YARN-10295.002.branch-3.2.patch YARN-10295.002.branch-3.1.patch >

[jira] [Commented] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126645#comment-17126645 ] Szilard Nemeth commented on YARN-9930: -- Hi [~pbacsko], 1. Overall feedback for the design: I like

[jira] [Comment Edited] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126645#comment-17126645 ] Szilard Nemeth edited comment on YARN-9930 at 6/5/20, 10:36 AM: Hi

[jira] [Commented] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126659#comment-17126659 ] Peter Bacsko commented on YARN-9930: [~snemeth] _"What about keeping it for this round, and after

[jira] [Commented] (YARN-10304) Create an endpoint for remote application log directory path query

[ https://issues.apache.org/jira/browse/YARN-10304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126732#comment-17126732 ] Adam Antal commented on YARN-10304: --- Thanks for the draft [~gandras]! If we want a general remote log

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126738#comment-17126738 ] Hadoop QA commented on YARN-10292: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126749#comment-17126749 ] Peter Bacsko commented on YARN-9930: Added patch v1 as non-POC. Still need tests for

[jira] [Commented] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126751#comment-17126751 ] Adam Antal commented on YARN-9930: -- Thanks for the POC [~pbacsko]. Conceptually it looks good. Some

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126752#comment-17126752 ] Szilard Nemeth commented on YARN-10292: --- Thanks [~bteke], Latest patch LGTM, committed to trunk. >

[jira] [Assigned] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko reassigned YARN-9930: -- Assignee: Peter Bacsko (was: zhoukang) > Support max running app logic for CapacityScheduler

[jira] [Updated] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko updated YARN-9930: --- Attachment: YARN-9930-001.patch > Support max running app logic for CapacityScheduler >

[jira] [Updated] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Szilard Nemeth updated YARN-10292: -- Fix Version/s: 3.4.1 > FS-CS converter: add an option to enable asynchronous scheduling in >

[jira] [Updated] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Szilard Nemeth updated YARN-10292: -- Fix Version/s: (was: 3.4.1) 3.4.0 > FS-CS converter: add an option to

[jira] [Commented] (YARN-9883) Reshape SchedulerHealth class

[ https://issues.apache.org/jira/browse/YARN-9883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126764#comment-17126764 ] Adam Antal commented on YARN-9883: -- Hi [~BilwaST], Sorry for the delay. I totally agree, thanks for

[jira] [Commented] (YARN-10293) Reserved Containers not allocated from available space of other nodes in CandidateNodeSet in MultiNodePlacement (YARN-10259)

[ https://issues.apache.org/jira/browse/YARN-10293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126771#comment-17126771 ] Hadoop QA commented on YARN-10293: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Updated] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benjamin Teke updated YARN-10296: - Attachment: YARN-10296.002.branch-3.3.patch YARN-10296.002.branch-3.2.patch

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126761#comment-17126761 ] Hudson commented on YARN-10292: --- SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #18330 (See

[jira] [Commented] (YARN-10166) Add detail log for ApplicationAttemptNotFoundException

[ https://issues.apache.org/jira/browse/YARN-10166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126768#comment-17126768 ] Adam Antal commented on YARN-10166: --- I think the ERROR level is right: it is definitely an error when

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126774#comment-17126774 ] Benjamin Teke commented on YARN-10292: -- Thanks [~snemeth]. Based on our offline discussion I

[jira] [Updated] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Benjamin Teke updated YARN-10292: - Attachment: YARN-10292.002.branch-3.3.patch > FS-CS converter: add an option to enable

[jira] [Comment Edited] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126781#comment-17126781 ] Benjamin Teke edited comment on YARN-10296 at 6/5/20, 1:51 PM: --- Thanks

[jira] [Commented] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126781#comment-17126781 ] Benjamin Teke commented on YARN-10296: -- [~snemeth], [~wangda]: Uploaded the branch-3.3, 3.2 and 3.1

[jira] [Commented] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126786#comment-17126786 ] Peter Bacsko commented on YARN-9930: Thanks for the comments [~adam.antal] # Good idea. # Yes, this

[jira] [Commented] (YARN-9930) Support max running app logic for CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-9930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126902#comment-17126902 ] Hadoop QA commented on YARN-9930: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (YARN-10292) FS-CS converter: add an option to enable asynchronous scheduling in CapacityScheduler

[ https://issues.apache.org/jira/browse/YARN-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126881#comment-17126881 ] Hadoop QA commented on YARN-10292: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (YARN-10296) Make ContainerPBImpl#getId/setId synchronized

[ https://issues.apache.org/jira/browse/YARN-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126905#comment-17126905 ] Hadoop QA commented on YARN-10296: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Updated] (YARN-9460) QueueACLsManager and ReservationsACLManager should not use instanceof checks

[ https://issues.apache.org/jira/browse/YARN-9460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bilwa S T updated YARN-9460: Attachment: YARN-9460.003.patch > QueueACLsManager and ReservationsACLManager should not use instanceof

[jira] [Commented] (YARN-9460) QueueACLsManager and ReservationsACLManager should not use instanceof checks

[ https://issues.apache.org/jira/browse/YARN-9460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17126919#comment-17126919 ] Bilwa S T commented on YARN-9460: - Hi [~pbacsko] Thanks for review. Yes you are correct. behaviour wont