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https://issues.apache.org/jira/browse/RATIS-1245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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runzhiwang updated RATIS-1245:
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Description: In HA case, such as there are three server: server1, server2,
server3, server1 is the leader, if we want to upgrade leader, we can upgrade
server2, and then assign server2 with the highest priority, and server1 stop
accepting client request, then server2 will try to grab the leader once catch
up the log. (was: In HA case, such as there are three server: server1,
server2, server3, server1 is the leader, if we want to upgrade leader, we can
upgrade server2, and then assign server2 with the highest priority, then
server2 will try to grab the leader.)
> Support change priority dynamically
> -----------------------------------
>
> Key: RATIS-1245
> URL: https://issues.apache.org/jira/browse/RATIS-1245
> Project: Ratis
> Issue Type: Sub-task
> Reporter: runzhiwang
> Assignee: runzhiwang
> Priority: Major
>
> In HA case, such as there are three server: server1, server2, server3,
> server1 is the leader, if we want to upgrade leader, we can upgrade server2,
> and then assign server2 with the highest priority, and server1 stop accepting
> client request, then server2 will try to grab the leader once catch up the
> log.
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