sreejasahithi commented on PR #9376:
URL: https://github.com/apache/ozone/pull/9376#issuecomment-3618132866
Below is a sample of SCM log messages before the changes made in this patch :
```
2025-12-05 10:59:29 2025-12-05 05:29:29,934
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM in safe mode. 1 DataNodes registered, 5
required.
2025-12-05 10:59:29 2025-12-05 05:29:29,934
[EventQueue-ContainerRegistrationReportForRatisContainerSafeModeRule] INFO
safemode.SCMSafeModeManager: RatisContainerSafeModeRule rule is successfully
validated
2025-12-05 10:59:29 2025-12-05 05:29:29,935
[EventQueue-PipelineReportForOneReplicaPipelineSafeModeRule] INFO
safemode.SCMSafeModeManager: OneReplicaPipelineSafeModeRule rule is
successfully validated
2025-12-05 10:59:29 2025-12-05 05:29:29,935
[EventQueue-ContainerRegistrationReportForECContainerSafeModeRule] INFO
safemode.SCMSafeModeManager: ECContainerSafeModeRule rule is successfully
validated
2025-12-05 10:59:29 2025-12-05 05:29:29,967
[aaffa793-f02c-4e5b-b861-dfe90ff67c94@group-EF33F58B837E-StateMachineUpdater]
INFO safemode.SCMSafeModeManager: RatisContainerSafeModeRule rule is success
2025-12-05 10:59:29 2025-12-05 05:29:29,999
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM in safe mode. 2 DataNodes registered, 5
required.
2025-12-05 10:59:30 2025-12-05 05:29:30,018
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM in safe mode. 3 DataNodes registered, 5
required.
2025-12-05 11:00:05 2025-12-05 05:30:05,491
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM in safe mode. 4 DataNodes registered, 5
required.
2025-12-05 11:01:36 2025-12-05 05:31:36,079
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM in safe mode. 5 DataNodes registered, 5
required.
2025-12-05 11:01:36 2025-12-05 05:31:36,080
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: DataNodeSafeModeRule rule is successfully validated
2025-12-05 11:01:36 2025-12-05 05:31:36,080
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: All SCM safe mode pre check rules have passed
2025-12-05 11:01:36 2025-12-05 05:31:36,088
[aaffa793-f02c-4e5b-b861-dfe90ff67c94@group-EF33F58B837E-StateMachineUpdater]
INFO safemode.SCMSafeModeManager: DataNodeSafeModeRule rule is successfully
validated
2025-12-05 11:01:44 2025-12-05 05:31:44,383
[EventQueue-OpenPipelineForHealthyPipelineSafeModeRule] INFO
safemode.SCMSafeModeManager: HealthyPipelineSafeModeRule rule is successfully
validated
2025-12-05 11:01:44 2025-12-05 05:31:44,384
[EventQueue-OpenPipelineForHealthyPipelineSafeModeRule] INFO
safemode.SCMSafeModeManager: ScmSafeModeManager, all rules are successfully
validated
2025-12-05 11:01:44 2025-12-05 05:31:44,384
[EventQueue-OpenPipelineForHealthyPipelineSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM exiting safe mode.
```
Below is a sample of SCM log messages after the changes made in this patch
(the SCM logs will still contain above log messages):
```
2025-12-05 10:59:22 2025-12-05 05:29:22,903 [main] INFO
safemode.SCMSafeModeManager: Started periodic Safe Mode logging with interval
60000 ms
2025-12-05 10:59:22 2025-12-05 05:29:22,904 [SCM-SafeMode-Log-0] INFO
safemode.SCMSafeModeManager: SCM SafeMode periodic status:
state=SafeModeStatus{safeModeStatus=true, preCheckPassed=false},
preCheckComplete=false, validatedRules=0/5, preCheckValidated=0/1,
rules=[DataNodeSafeModeRule(status=waiting, registered datanodes (=0) >=
required datanodes (=5)), RatisContainerSafeModeRule(status=waiting, 100.00% of
[RATIS] Containers(0 / 0) with at least N reported replica (=1.00) >=
safeModeCutoff (=0.99);), HealthyPipelineSafeModeRule(status=waiting, healthy
Ratis/THREE pipelines (=0) >= healthyPipelineThresholdCount (=1)),
OneReplicaPipelineSafeModeRule(status=waiting, reported Ratis/THREE pipelines
with at least one datanode (=0) >= threshold (=0)),
ECContainerSafeModeRule(status=waiting, 100.00% of [EC] Containers(0 / 0) with
at least N reported replica (=1.00) >= safeModeCutoff (=0.99);)]
2025-12-05 11:00:22 2025-12-05 05:30:22,905 [SCM-SafeMode-Log-0] INFO
safemode.SCMSafeModeManager: SCM SafeMode periodic status:
state=SafeModeStatus{safeModeStatus=true, preCheckPassed=false},
preCheckComplete=false, validatedRules=3/5, preCheckValidated=0/1,
rules=[DataNodeSafeModeRule(status=waiting, registered datanodes (=4) >=
required datanodes (=5)), RatisContainerSafeModeRule(status=validated, 100.00%
of [RATIS] Containers(0 / 0) with at least N reported replica (=1.00) >=
safeModeCutoff (=0.99);), HealthyPipelineSafeModeRule(status=waiting, healthy
Ratis/THREE pipelines (=0) >= healthyPipelineThresholdCount (=1)),
OneReplicaPipelineSafeModeRule(status=validated, reported Ratis/THREE pipelines
with at least one datanode (=0) >= threshold (=0)),
ECContainerSafeModeRule(status=validated, 100.00% of [EC] Containers(0 / 0)
with at least N reported replica (=1.00) >= safeModeCutoff (=0.99);)]
2025-12-05 11:01:22 2025-12-05 05:31:22,905 [SCM-SafeMode-Log-0] INFO
safemode.SCMSafeModeManager: SCM SafeMode periodic status:
state=SafeModeStatus{safeModeStatus=true, preCheckPassed=false},
preCheckComplete=false, validatedRules=3/5, preCheckValidated=0/1,
rules=[DataNodeSafeModeRule(status=waiting, registered datanodes (=4) >=
required datanodes (=5)), RatisContainerSafeModeRule(status=validated, 100.00%
of [RATIS] Containers(0 / 0) with at least N reported replica (=1.00) >=
safeModeCutoff (=0.99);), HealthyPipelineSafeModeRule(status=waiting, healthy
Ratis/THREE pipelines (=0) >= healthyPipelineThresholdCount (=1)),
OneReplicaPipelineSafeModeRule(status=validated, reported Ratis/THREE pipelines
with at least one datanode (=0) >= threshold (=0)),
ECContainerSafeModeRule(status=validated, 100.00% of [EC] Containers(0 / 0)
with at least N reported replica (=1.00) >= safeModeCutoff (=0.99);)]
2025-12-05 11:01:36 2025-12-05 05:31:36,080
[EventQueue-NodeRegistrationContainerReportForDataNodeSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM SafeMode periodic status:
state=SafeModeStatus{safeModeStatus=true, preCheckPassed=true},
preCheckComplete=true, validatedRules=4/5, preCheckValidated=1/1,
rules=[DataNodeSafeModeRule(status=validated, registered datanodes (=5) >=
required datanodes (=5)), RatisContainerSafeModeRule(status=validated, 100.00%
of [RATIS] Containers(0 / 0) with at least N reported replica (=1.00) >=
safeModeCutoff (=0.99);), HealthyPipelineSafeModeRule(status=waiting, healthy
Ratis/THREE pipelines (=0) >= healthyPipelineThresholdCount (=1)),
OneReplicaPipelineSafeModeRule(status=validated, reported Ratis/THREE pipelines
with at least one datanode (=0) >= threshold (=0)),
ECContainerSafeModeRule(status=validated, 100.00% of [EC] Containers(0 / 0)
with at least N reported replica (=1.00) >= safeModeCutoff (=0.99);)]
2025-12-05 11:01:44 2025-12-05 05:31:44,384
[EventQueue-OpenPipelineForHealthyPipelineSafeModeRule] INFO
safemode.SCMSafeModeManager: SCM SafeMode periodic status:
state=SafeModeStatus{safeModeStatus=true, preCheckPassed=true},
preCheckComplete=true, validatedRules=5/5, preCheckValidated=1/1,
rules=[DataNodeSafeModeRule(status=validated, registered datanodes (=5) >=
required datanodes (=5)), RatisContainerSafeModeRule(status=validated, 100.00%
of [RATIS] Containers(0 / 0) with at least N reported replica (=1.00) >=
safeModeCutoff (=0.99);), HealthyPipelineSafeModeRule(status=validated, healthy
Ratis/THREE pipelines (=1) >= healthyPipelineThresholdCount (=1)),
OneReplicaPipelineSafeModeRule(status=validated, reported Ratis/THREE pipelines
with at least one datanode (=0) >= threshold (=0)),
ECContainerSafeModeRule(status=validated, 100.00% of [EC] Containers(0 / 0)
with at least N reported replica (=1.00) >= safeModeCutoff (=0.99);)]
2025-12-05 11:01:44 2025-12-05 05:31:44,384
[EventQueue-OpenPipelineForHealthyPipelineSafeModeRule] INFO
safemode.SCMSafeModeManager: Stopped periodic Safe Mode logging
```
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