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https://issues.apache.org/jira/browse/CASSANDRA-15352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17042161#comment-17042161
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Jeff Jirsa commented on CASSANDRA-15352:
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I don't understand this JIRA. Can someone summarize exactly what condition
you're trying to improve?
> Replica failure propagation to coordinator and client
> -----------------------------------------------------
>
> Key: CASSANDRA-15352
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15352
> Project: Cassandra
> Issue Type: New Feature
> Components: Messaging/Internode
> Reporter: Alex Petrov
> Priority: Normal
>
> We should add early reporting of replica-side errors, since currently we just
> time-out requests. On normal read-write path this is not that important, but
> this is a protocol change we will need to improve cheap quorums for transient
> replication. This might have potential positive impact for regular read-write
> path, since we’ll be aborting queries early instead of timing them out. Can
> be useful for failing / going away nodes (which is also one of the changes
> we’re planning to implement).
> We do have means for propagating error both in client protocol through
> <reasonmap> and in internode through FAILURE_RSP, which is true and we do not
> have to extend the protocol to implement this change, but this is still a
> change in protocol behavior, since we’ll be sending a message where we would
> usually silently timeout.
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