Jian Zhang created HDFS-17476:
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Summary: fix: False positive "Observer Node is too far behind" due
to long overflow.
Key: HDFS-17476
URL: https://issues.apache.org/jira/browse/HDFS-17476
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Jian Zhang
Assignee: Jian Zhang
In the code GlobalStateIdContext#receiveRequestState(), if clientStateId is a
small negative number, clientStateId-serverStateId may be greater than
（ESTIMATED_TRANSACTIONS_PER_SECOND due to overflow
* TimeUnit.MILLISECONDS.toSeconds(clientWaitTime)
* ESTIMATED_SERVER_TIME_MULTIPLIER）,
resulting in false positives that Observer Node is too far behind.
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