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From "sankalp kohli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-12075) Include whether or not the client should retry the request when throwing a RequestExecutionException
Date Wed, 29 Jun 2016 21:59:41 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-12075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15355864#comment-15355864
] 

sankalp kohli commented on CASSANDRA-12075:
-------------------------------------------

By driver you mean Java Driver, Python driver, etc and by client you mean application code
talking to C* right? 

Say we send out TombstoneOverwhelmingException to driver, it should definitely not retry on
its own no matter what retry policy the client code provide. Now we cannot stop client code
from sending the same request again. 

Same example can be made with some other type of throttles as well. I agree that other examples
are recommendations but these 2 are not. 

I am fine closing this JIRA and making these part of exceptions which driver can interpret
and will not retry? What do you think



> 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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