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https://issues.apache.org/jira/browse/IMPALA-7857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-7857.
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Resolution: Fixed
Fix Version/s: Impala 3.2.0
> 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
> Priority: Major
> Labels: statestore, supportability
> Fix For: Impala 3.2.0
>
>
> 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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