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https://issues.apache.org/jira/browse/FLUME-2173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hari Shreedharan reassigned FLUME-2173:
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Assignee: Hari Shreedharan
> Exactly once semantics for Flume
> --------------------------------
>
> Key: FLUME-2173
> URL: https://issues.apache.org/jira/browse/FLUME-2173
> Project: Flume
> Issue Type: Bug
> Reporter: Hari Shreedharan
> Assignee: Hari Shreedharan
>
> Currently Flume guarantees only at least once semantics. This jira is meant
> to track exactly once semantics for Flume. My initial idea is to include uuid
> event ids on events at the original source (use a config to mark a source an
> original source) and identify destination sinks. At the destination sinks,
> use a unique ZK Znode to track the events. If once seen (and configured),
> pull the duplicate out.
> This might need some refactoring, but my belief is we can do this in a
> backward compatible way.
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