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Posted to commits@cassandra.apache.org by "Jon Meredith (Jira)" <ji...@apache.org> on 2019/10/08 21:59:00 UTC

[jira] [Commented] (CASSANDRA-15318) sendMessagesToNonlocalDC() should shuffle targets

    [ https://issues.apache.org/jira/browse/CASSANDRA-15318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16947206#comment-16947206 ] 

Jon Meredith commented on CASSANDRA-15318:
------------------------------------------

Created a new branch against trunk now CASSANDRA-15319 is merged.

[Branch|https://github.com/jonmeredith/cassandra/tree/CASSANDRA-15318] 
[GItHub PR|https://github.com/apache/cassandra/pull/363]
[CircleCI|https://circleci.com/workflow-run/cbd7e18d-e452-4a8c-aa84-29f1285d38ba]

> sendMessagesToNonlocalDC() should shuffle targets
> -------------------------------------------------
>
>                 Key: CASSANDRA-15318
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15318
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Messaging/Internode
>            Reporter: Jon Meredith
>            Assignee: Jon Meredith
>            Priority: Normal
>
> To better spread load and reduce the impact of a node failure before detection (or other issues like issues host replacement), when forwarding messages to other data centers the forwarding non-local dc nodes should be selected at random rather than always selecting the first node in the list of endpoints for a token.
>  



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