Maksim Davydov created IGNITE-27232:
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             Summary: Fix mixed-clock calculation of possibleJvmPauseDuration 
in checkpoint logging
                 Key: IGNITE-27232
                 URL: https://issues.apache.org/jira/browse/IGNITE-27232
             Project: Ignite
          Issue Type: Task
            Reporter: Maksim Davydov
            Assignee: Maksim Davydov


Checkpointer#possibleLongJvmPauseDuration() uses System.currentTimeMillis(), 
while LongJVMPauseDetector switched to 
TimeUnit.NANOSECONDS.toMillis(System.nanoTime()) after IGNITE-21475.

This mixes wall-clock time with monotonic time and results in misleading 
checkpoint logs.



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