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Posted to issues@ratis.apache.org by "Tsz-wo Sze (Jira)" <ji...@apache.org> on 2022/08/30 20:38:00 UTC

[jira] [Updated] (RATIS-1643) Add heartbeat broadcast mechanism for leader readIndex

     [ https://issues.apache.org/jira/browse/RATIS-1643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz-wo Sze updated RATIS-1643:
------------------------------
    Summary: Add heartbeat broadcast mechanism for leader readIndex  (was: Support leader readIndex by heartbeat broadcasting)

> Add heartbeat broadcast mechanism for leader readIndex
> ------------------------------------------------------
>
>                 Key: RATIS-1643
>                 URL: https://issues.apache.org/jira/browse/RATIS-1643
>             Project: Ratis
>          Issue Type: Sub-task
>          Components: conf, gRPC, raft-group
>            Reporter: Song Ziyang
>            Assignee: Song Ziyang
>            Priority: Major
>         Attachments: 730_review.patch, 730_review2.patch
>
>          Time Spent: 4h 20m
>  Remaining Estimate: 0h
>
> Add the heartbeat broadcast mechanism in LeaderStateImpl:
> When requested for readIndex, leader should broadcast a round of heartbeats to all followers. If the majority successfully acknowledges, then the leadership is confirmed and the readIndex can be safely returned.



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