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https://issues.apache.org/jira/browse/RATIS-208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16432074#comment-16432074
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Tsz Wo Nicholas Sze commented on RATIS-208:
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+1 the r208_20180410b.patch looks good.
> Allow client to specify replication level in a request
> ------------------------------------------------------
>
> Key: RATIS-208
> URL: https://issues.apache.org/jira/browse/RATIS-208
> Project: Ratis
> Issue Type: New Feature
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Kit Hui
> Priority: Major
> Attachments: r208_20180410b.patch
>
>
> In Raft protocol, the leader sends a reply to client once the request is
> committed and applied to its state machine. A request is committed when the
> leader get a majority of responses from all the members in the raft group.
> In some applications, the client may want to wait for all member responses
> instead of a majority. For example, the application wants to support reading
> even if there is only one machine remaining in the group.
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