Tim Armstrong created IMPALA-7857:
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Summary: Log more information about statestore failure detector
Key: IMPALA-7857
URL: https://issues.apache.org/jira/browse/IMPALA-7857
Project: IMPALA
Issue Type: Bug
Components: Distributed Exec
Reporter: Tim Armstrong
Assignee: Tim Armstrong
For debugging heartbeat failures (or non-failures) it would be useful to log
enough information to infer the current state of the failure detector from
logs. Specifically:
* Upon a failure, we should log the number of consecutive failures according to
the failure detector. And also maybe how many failures remain until it's
considered to be failed.
* We should log when the failure count is reset to 0 by a successful heartbeat.
Currently if there are occasional failures it's hard to tell with certainty
whether it was reset correctly.
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