[Caideyipi]

Summary

• Throttle repeated warning and error logs in authentication, disk allocation, active loading, WAL management, metrics, and background tasks.
• Keep initial diagnostics visible, isolate independent failure states, and allow messages again after recovery or the throttle interval.
• Merge the current master while preserving WAL durability, node status transitions, metric sampling, and reporter shutdown behavior.
• Add regression coverage for suppression, recovery, and independent logging states.

Validation

• mvn spotless:apply -P with-integration-tests
• Clean English build of the affected modules and their complete reactor dependencies, followed by focused unit tests: 151 tests, 0 failures, 0 errors, 4 existing skips requiring manual immutable-directory setup.
• Supplemental reporter tests use the same verified English source outputs and build configuration.
• Chinese locale: clean test-source compilation of the same affected reactor dependency closure.
• The full repository test suite and distribution packaging were not run.

[codecov]

Codecov Report

❌ Patch coverage is 74.30341% with 166 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.35%. Comparing base (65ef92f) to head (29bc6d7).

Files with missing lines	Patch %	Lines
...etrics/metricsets/net/WindowsNetMetricManager.java	0.00%	33 Missing ⚠️
.../metrics/metricsets/net/LinuxNetMetricManager.java	0.00%	24 Missing ⚠️
...e/manager/subscription/SubscriptionMetaSyncer.java	5.55%	17 Missing ⚠️
...torageengine/load/active/ActiveLoadDirScanner.java	39.28%	17 Missing ⚠️
...db/service/metrics/IoTDBInternalLocalReporter.java	77.77%	14 Missing ⚠️
...b/metrics/reporter/iotdb/IoTDBSessionReporter.java	17.64%	14 Missing ⚠️
.../apache/iotdb/db/auth/ClusterAuthorityFetcher.java	47.82%	12 Missing ⚠️
...trics/metricsets/disk/LinuxDiskMetricsManager.java	71.42%	6 Missing ⚠️
...ava/org/apache/iotdb/db/auth/LoginLockManager.java	91.22%	5 Missing ⚠️
...service/metrics/file/SystemRelatedFileMetrics.java	16.66%	5 Missing ⚠️
... and 7 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #17889      +/-   ##
============================================
+ Coverage     48.29%   48.35%   +0.06%     
- Complexity      625      677      +52     
============================================
  Files          5572     5574       +2     
  Lines        411719   412224     +505     
  Branches      54229    54291      +62     
============================================
+ Hits         198820   199329     +509     
+ Misses       212899   212895       -4     

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[sonarqubecloud]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate failed

Failed conditions
C Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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