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https://issues.apache.org/jira/browse/FLUME-865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13193537#comment-13193537
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Arvind Prabhakar commented on FLUME-865:
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Jarcec - I looked at the various sink implementations that we have so far and 
all of them are PollableSink types. Consequently, one way to address this 
requirement would be to make fail-over the responsibility of the 
PollableSinkRunner and have it work with more than one sinks at a time. That 
way, when the first sink's process() method raises an EventDeliveryException, 
the runner could ignore it and try the next sink. A similar implementation 
could be done for load-balancing requirement too.
                
> Implement failover sink 
> ------------------------
>
>                 Key: FLUME-865
>                 URL: https://issues.apache.org/jira/browse/FLUME-865
>             Project: Flume
>          Issue Type: New Feature
>          Components: Sinks+Sources
>    Affects Versions: NG alpha 2
>            Reporter: Jarek Jarcec Cecho
>
> It would be nice if the flume-ng would have ability to failover to different 
> sink in case that the active one is not responding (e.g. before failing the 
> transaction).

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