[jira] [Commented] (CASSANDRA-6246) EPaxos

["maxwellguo (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-6246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17313621#comment-17313621 ] 

maxwellguo commented on CASSANDRA-6246:
---------------------------------------

[~bdeggleston]any update?

> EPaxos
> ------
>
>                 Key: CASSANDRA-6246
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6246
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Feature/Lightweight Transactions, Legacy/Coordination
>            Reporter: Jonathan Ellis
>            Assignee: Blake Eggleston
>            Priority: Normal
>              Labels: LWT, messaging-service-bump-required
>             Fix For: 4.x
>
>
> One reason we haven't optimized our Paxos implementation with Multi-paxos is that Multi-paxos requires leader election and hence, a period of unavailability when the leader dies.
> EPaxos is a Paxos variant that requires (1) less messages than multi-paxos, (2) is particularly useful across multiple datacenters, and (3) allows any node to act as coordinator: http://sigops.org/sosp/sosp13/papers/p358-moraru.pdf
> However, there is substantial additional complexity involved if we choose to implement it.



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