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Posted to issues@ratis.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2020/12/28 11:50:00 UTC

[jira] [Updated] (RATIS-1273) Fix split brain by leader lease

     [ https://issues.apache.org/jira/browse/RATIS-1273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

runzhiwang updated RATIS-1273:
------------------------------
    Description: 
For example, there are 3 servers: server1, server2, server3, and server1 is leader. When split-brain happens, server2 was elected as new leader, but server1 still think it's leader, when client read from server1, if server2 has processed write request, client will read old data from server1.



> Fix split brain by leader lease
> -------------------------------
>
>                 Key: RATIS-1273
>                 URL: https://issues.apache.org/jira/browse/RATIS-1273
>             Project: Ratis
>          Issue Type: Sub-task
>            Reporter: runzhiwang
>            Assignee: runzhiwang
>            Priority: Major
>
> For example, there are 3 servers: server1, server2, server3, and server1 is leader. When split-brain happens, server2 was elected as new leader, but server1 still think it's leader, when client read from server1, if server2 has processed write request, client will read old data from server1.



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