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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2019/07/23 23:45:00 UTC
[jira] [Comment Edited] (CASSANDRA-14740) BlockingReadRepair does
not maintain monotonicity during range movements
[ https://issues.apache.org/jira/browse/CASSANDRA-14740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16891474#comment-16891474 ]
Benedict edited comment on CASSANDRA-14740 at 7/23/19 11:44 PM:
----------------------------------------------------------------
Patch available [here|https://github.com/belliottsmith/cassandra/tree/14740]; [tests|https://circleci.com/workflow-run/9b4bc0a4-ba24-4a29-a6fd-4bf78f125432]
was (Author: benedict):
Patch available [here|https://github.com/belliottsmith/cassandra/tree/14740], [tests|https://circleci.com/workflow-run/9b4bc0a4-ba24-4a29-a6fd-4bf78f125432]
> 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
> Assignee: Benedict
> Priority: Urgent
> Labels: correctness
> Fix For: 4.0
>
>
> 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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