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https://issues.apache.org/jira/browse/HDDS-7374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17630330#comment-17630330
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Jyotirmoy Sinha commented on HDDS-7374:
---------------------------------------
Hi [~hemantk], I have verified and reproduced with the latest PR -
[#3824|https://github.com/apache/ozone/pull/3824]
> [snapshot] OM Process exiting on idle cluster
> ---------------------------------------------
>
> Key: HDDS-7374
> URL: https://issues.apache.org/jira/browse/HDDS-7374
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Manager
> Affects Versions: 1.3.0
> Environment: docker-compose on HDDS-6517-Snapshot
> Reporter: Jyotirmoy Sinha
> Assignee: Hemant Kumar
> Priority: Critical
> Labels: ozone-snapshot
>
> Snapshots were created on the cluster, after which the system was kept idle.
> After certain interval the OM Process exited and shut down.
> Docker logs -
> {code:java}
> 2022-10-20 12:53:31,082
> [org.apache.ratis.util.JvmPauseMonitor$$Lambda$398/0x00000008404cac40@bfe47a8]
> WARN util.JvmPauseMonitor: JvmPauseMonitor-om1: Detected pause in JVM or
> host machine (eg GC): pause of approximately 7196529648812ns. No GCs detected.
> 2022-10-20 12:53:27,062
> [org.apache.ratis.util.JvmPauseMonitor$$Lambda$398/0x00000008404cac40@bfe47a8]
> INFO server.RaftServer: om1: close
> 2022-10-20 12:53:27,128
> [org.apache.hadoop.util.JvmPauseMonitor$Monitor@60844992] WARN
> util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of
> approximately 7197056ms
> No GCs detected
> 2022-10-20 12:53:27,166
> [org.apache.ratis.util.JvmPauseMonitor$$Lambda$398/0x00000008404cac40@bfe47a8]
> INFO server.RaftServer$Division: om1@group-C5BA1605619E: shutdown
> 2022-10-20 12:53:27,177
> [org.apache.ratis.util.JvmPauseMonitor$$Lambda$398/0x00000008404cac40@bfe47a8]
> INFO util.JmxRegister: Successfully un-registered JMX Bean with object name
> Ratis:service=RaftServer,group=group-C5BA1605619E,id=om1
> 2022-10-20 12:53:27,196
> [org.apache.ratis.util.JvmPauseMonitor$$Lambda$398/0x00000008404cac40@bfe47a8]
> INFO impl.RoleInfo: om1: shutdown om1@group-C5BA1605619E-LeaderStateImpl
> 2022-10-20 12:53:27,212
> [org.apache.ratis.util.JvmPauseMonitor$$Lambda$398/0x00000008404cac40@bfe47a8]
> INFO impl.PendingRequests: om1@group-C5BA1605619E-PendingRequests:
> sendNotLeaderResponses
> 2022-10-20 12:53:27,366
> [org.apache.ratis.util.JvmPauseMonitor$$Lambda$398/0x00000008404cac40@bfe47a8]
> INFO impl.StateMachineUpdater: om1@group-C5BA1605619E-StateMachineUpdater:
> set stopIndex = 10
> 2022-10-20 12:53:27,368 [om1@group-C5BA1605619E-StateMachineUpdater] INFO
> ratis.OzoneManagerStateMachine: Current Snapshot Index (t:1, i:10)
> 2022-10-20 12:53:27,390 [om1@group-C5BA1605619E-StateMachineUpdater] INFO
> impl.StateMachineUpdater: om1@group-C5BA1605619E-StateMachineUpdater: Took a
> snapshot at index 10
> 2022-10-20 12:53:27,398 [om1@group-C5BA1605619E-StateMachineUpdater] INFO
> impl.StateMachineUpdater: om1@group-C5BA1605619E-StateMachineUpdater:
> snapshotIndex: updateIncreasingly -1 -> 10
> 2022-10-20 12:53:27,398 [om1@group-C5BA1605619E-StateMachineUpdater] INFO
> ratis.OzoneManagerStateMachine: StateMachine has shutdown. Shutdown
> OzoneManager if not already shutdown.
> 2022-10-20 12:53:27,399 [om1@group-C5BA1605619E-StateMachineUpdater] INFO
> om.OzoneManager: om1[om:9862]: Stopping Ozone Manager
> 2022-10-20 12:53:27,474 [om1@group-C5BA1605619E-StateMachineUpdater] INFO
> ipc.Server: Stopping server on 9862
> 2022-10-20 12:53:27,609 [IPC Server listener on 9862] INFO ipc.Server:
> Stopping IPC Server listener on 9862
> 2022-10-20 12:53:27,628 [IPC Server Responder] INFO ipc.Server: Stopping IPC
> Server Responder {code}
>
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