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From "Benedict Elliott Smith (Jira)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-14740) BlockingReadRepair does not maintain monotonicity during range movements
Date Mon, 27 Jan 2020 16:55:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-14740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17024495#comment-17024495
] 

Benedict Elliott Smith commented on CASSANDRA-14740:
----------------------------------------------------

I've addressed your comments and pushed.  I still need to figure out how to parse CircleCI
results.

> BlockingReadRepair does not maintain monotonicity during range movements
> ------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14740
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14740
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Legacy/Coordination
>            Reporter: Benedict Elliott Smith
>            Assignee: Benedict Elliott Smith
>            Priority: Urgent
>              Labels: correctness
>             Fix For: 4.0, 4.0-beta
>
>
> The BlockingReadRepair code introduced by CASSANDRA-10726 requires that each of the queried
nodes are written to, but pending nodes are not considered.  If there is a pending range
movement, one of these writes may be ‘lost’ when the range movement completes.



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