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https://issues.apache.org/jira/browse/HDDS-17314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-17314:
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Labels: pull-request-available (was: )
> Make hdds.heartbeat.recon.interval control the Datanode to Recon heartbeat
> interval
> -----------------------------------------------------------------------------------
>
> Key: HDDS-17314
> URL: https://issues.apache.org/jira/browse/HDDS-17314
> Project: Apache Ozone
> Issue Type: Improvement
> Components: Ozone Datanode, Ozone Recon
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Major
> Labels: pull-request-available
>
> {{hdds.heartbeat.recon.interval}} (default 60s) does not control how often a
> Datanode heartbeats Recon. {{RunningDatanodeState}} submits a heartbeat to
> every endpoint, Recon included, on each SCM heartbeat cycle
> ({{hdds.heartbeat.interval}}). The Recon interval is read into
> {{StateContext}} (HDDS-5862), but nothing has used it since HDDS-12639
> dropped it from the task wait, so Recon gets heartbeats as often as SCM does.
> Proposed fix:
> * Skip the Recon heartbeat in {{RunningDatanodeState}} until
> {{hdds.heartbeat.recon.interval}} has passed since the last one. Version and
> register calls to Recon are not delayed.
> * Bound the interval: at least {{hdds.heartbeat.interval}}, and at most a
> third of {{ozone.scm.stale.node.interval}}, so Recon does not mark Datanodes
> stale or dead between heartbeats.
> * Set a short Recon interval in the compose clusters that run Recon tests and
> in {{MiniOzoneCluster}}, so those tests do not wait longer.
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