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Posted to issues@ratis.apache.org by "Tsz-wo Sze (Jira)" <ji...@apache.org> on 2020/08/26 19:05:00 UTC

[jira] [Updated] (RATIS-967) Support priority in leader election

     [ https://issues.apache.org/jira/browse/RATIS-967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz-wo Sze updated RATIS-967:
-----------------------------
    Description: 
In some applications, some servers in a raft group are more preferable to be the leader than the other servers.  For example, a server is colocated with other resources so that having the server as the leader is more efficient than the other servers.

In this JIRA, we propose adding _priority_ to each server so that the higher priority server(s) will always win the leader election when they are available.
        Summary: Support priority in leader election  (was: Support priority when elect leader)

> Support priority in leader election
> -----------------------------------
>
>                 Key: RATIS-967
>                 URL: https://issues.apache.org/jira/browse/RATIS-967
>             Project: Ratis
>          Issue Type: Task
>          Components: raft-group
>    Affects Versions: 0.5.0
>            Reporter: maobaolong
>            Assignee: runzhiwang
>            Priority: Major
>         Attachments: image-2020-08-25-15-26-40-478.png, screenshot-1.png, screenshot-2.png
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> In some applications, some servers in a raft group are more preferable to be the leader than the other servers.  For example, a server is colocated with other resources so that having the server as the leader is more efficient than the other servers.
> In this JIRA, we propose adding _priority_ to each server so that the higher priority server(s) will always win the leader election when they are available.



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