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

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

     [ https://issues.apache.org/jira/browse/CASSANDRA-16945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yifan Cai updated CASSANDRA-16945:
----------------------------------
          Fix Version/s: 4.0.2
          Since Version: 4.0.0
    Source Control Link: https://github.com/apache/cassandra/commit/79bbb7dac5ad62f3bc725028ca7ea2be351d1999
             Resolution: Fixed
                 Status: Resolved  (was: Ready to Commit)

Committed into cassandra-4.0 as [79bbb7d
https://github.com/apache/cassandra/commit/79bbb7dac5ad62f3bc725028ca7ea2be351d1999] and merged to trunk.

>  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
>             Fix For: 4.0.2
>
>
> 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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