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https://issues.apache.org/jira/browse/CASSANDRA-7822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-7822:
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Component/s: Coordination
> Confusing timeout on CAS contention
> -----------------------------------
>
> Key: CASSANDRA-7822
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7822
> Project: Cassandra
> Issue Type: Improvement
> Components: Coordination
> Reporter: sankalp kohli
> Priority: Minor
> Labels: LWT
>
> If we have contention in CAS and we hit the cas contention timeout, we throw
> an exception. In this timeout exception, we pass that 0 replicas responded.
> This is very confusing to someone looking at the client logs. I think we
> might need to throw a separate exception for contention or may be add a flag
> in the timeout exception.
> We have seen many people confused by this so I think we should fix it.
> This is how we throw it on contention.
> throw new WriteTimeoutException(WriteType.CAS, consistencyForPaxos, 0,
> consistencyForPaxos.blockFor(Keyspace.open(keyspaceName)));
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