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https://issues.apache.org/jira/browse/STORM-495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Joseph Evans resolved STORM-495.
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       Resolution: Fixed
    Fix Version/s: 0.10.0
         Assignee: Rick Kilgore

Thanks [~rkilgore],

I merged this into master.  Keep up the good work.

> Add delayed retries to KafkaSpout
> ---------------------------------
>
>                 Key: STORM-495
>                 URL: https://issues.apache.org/jira/browse/STORM-495
>             Project: Apache Storm
>          Issue Type: Improvement
>    Affects Versions: 0.9.3
>         Environment: all environments
>            Reporter: Rick Kilgore
>            Assignee: Rick Kilgore
>            Priority: Minor
>              Labels: kafka, retry
>             Fix For: 0.10.0
>
>
> If a tuple in the topology originates from the KafkaSpout from the 
> external/storm-kafka sources, and if a bolt in the topology indicates a 
> failure by calling fail() on its OutputCollector, the KafkaSpout will 
> immediately retry the message.
> We wish to use this failure and retry behavior in our ingestion system 
> whenever we experience a recoverable error from a downstream system, such as 
> a 500 or 503 error from a service we depend on.  But with the current 
> KafkaSpout behavior, doing so results in a tight loop where we retry several 
> times over a few seconds and then give up.  I want to be able to delay retry 
> to give the downstream service some time to recover.  Ideally, I would like 
> to have configurable, exponential backoff retry.



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