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https://issues.apache.org/jira/browse/AMBARI-23012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Onischuk updated AMBARI-23012:
-------------------------------------
Attachment: AMBARI-23012.patch
> "Stale Alerts" alert appears on cluster after some time
> -------------------------------------------------------
>
> Key: AMBARI-23012
> URL: https://issues.apache.org/jira/browse/AMBARI-23012
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Priority: Major
> Fix For: 2.7.0
>
> Attachments: AMBARI-23012.patch, AMBARI-23012.patch
>
>
> Previously. Every x seconds any alert was updated with information from agent.
> Even if nothing changed.
> Due to perf reasons this behavior was changed so that agent reports alerts
> only when their status changes.
> Due this change, "stale alerts" alert started appearing on clusters, showing
> that alerts were not updated for a long time.
> We should consider alert up-to-date to the point of last heartbeat. Which
> shows that the connection between server and agent is okay due to
> last_hb_timestamp, and so agent could send alert updates.
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