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https://issues.apache.org/jira/browse/CASSANDRA-12075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358724#comment-15358724
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Sylvain Lebresne commented on CASSANDRA-12075:
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bq. The only thing is that if we add an exception which we dont want good
drivers to not retry, we also need to patch the driver right away for this to
work.
Well, you have to change the native protocol to add any exception and that
require a driver change anyway.
> Include whether or not the client should retry the request when throwing a
> RequestExecutionException
> ----------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-12075
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12075
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Geoffrey Yu
> Assignee: Geoffrey Yu
> Priority: Minor
>
> Some requests that result in an error should not be retried by the client.
> Right now if the client gets an error, it has no way of knowing whether or
> not it should retry. We can include an extra field in each
> {{RequestExecutionException}} that will indicate whether the client should
> retry, retry on a different host, or not retry at all.
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