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