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https://issues.apache.org/jira/browse/IGNITE-17221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17572018#comment-17572018
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Sergey Uttsel commented on IGNITE-17221:
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Merged into [https://github.com/gridgain/apache-ignite-3/tree/ignite3_tx]

> Need to propagate HLC with RAFT events
> --------------------------------------
>
>                 Key: IGNITE-17221
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17221
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Sergey Uttsel
>            Assignee: Sergey Uttsel
>            Priority: Major
>              Labels: ignite-3, transaction3_ro
>
> RAFT events help to synchronize HLC between RAFT replicas. All RAFT 
> communications are initiated by a leader, and only one leader can exist at a 
> time. This enforces monotonic growth of HLC on raft group replicas. Heartbeat 
> AppendEntries RPC calls are enriched with sender’s HLC. The HLC update rules 
> are applied on receiving messages.



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