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https://issues.apache.org/jira/browse/KUDU-3048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Serbin reassigned KUDU-3048:
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Assignee: Alexey Serbin
> Add time/clock synchronization metrics
> --------------------------------------
>
> Key: KUDU-3048
> URL: https://issues.apache.org/jira/browse/KUDU-3048
> Project: Kudu
> Issue Type: Improvement
> Components: clock, master, tserver
> Reporter: Alexey Serbin
> Assignee: Alexey Serbin
> Priority: Major
> Labels: clock
>
> For better visibility, it would be great to add metrics reflecting time/clock
> synchronization parameters:
> * maximum clock error
> * extrapolating the time:
> ** the number of times when {{clock::TimeService::WalltimeWithError()}}
> returned an error, so it was necessary to extrapolate the clock readings
> ** the timestamp of the last occurrence of the event above
> * if using the {{built-in}} time source:
> ** the number of servers used for the true time tracking (good references)
> ** the number of servers not used for the true time tracking (bad references)
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