Sergey Shelukhin created HBASE-21774:
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Summary: do not use currentMillis to measure intervals
Key: HBASE-21774
URL: https://issues.apache.org/jira/browse/HBASE-21774
Project: HBase
Issue Type: Bug
Reporter: Sergey Shelukhin
I've noticed it in a few places in the code...
currentMillis can go backwards and have other artifacts.
nanoTime should be used for intervals unless it's both the case that the calls
are frequent and nanoTime will result in perf overhead, and also that artifacts
from negative intervals and such are relatively harmless or possible to work
around in the code.
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