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Posted to commits@cassandra.apache.org by "Brandon Williams (Jira)" <ji...@apache.org> on 2021/09/10 16:11:00 UTC

[jira] [Commented] (CASSANDRA-16945) Multiple full sources can be select unexpectedly for bootstrap streaming

    [ https://issues.apache.org/jira/browse/CASSANDRA-16945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17413263#comment-17413263 ] 

Brandon Williams commented on CASSANDRA-16945:
----------------------------------------------

With TR marked experimental we should definitely restore the old behavior, +1 to that.

>  Multiple full sources can be select unexpectedly for bootstrap streaming
> -------------------------------------------------------------------------
>
>                 Key: CASSANDRA-16945
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16945
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Consistency/Bootstrap and Decommission
>            Reporter: Yifan Cai
>            Assignee: Yifan Cai
>            Priority: Normal
>
> With CASSANDRA-14404, the RangeStreamer selects all endpoints as sources when using strict consistency and RF > endpoints count. In such case, the bootstrapping node is almost guaranteed to fail in the validation later. 
> It is a change of behavior. Before the patch, in such case (i.e., higher RF) the bootstrapping node just pick one endpoint as source, since consistent range movement cannot be established. I'd propose to restore the old behavior.



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