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Posted to issues@flink.apache.org by "david.wang (JIRA)" <ji...@apache.org> on 2016/08/16 02:26:20 UTC
[jira] [Updated] (FLINK-4391) Provide support for asynchronous
operations over streams
[ https://issues.apache.org/jira/browse/FLINK-4391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
david.wang updated FLINK-4391:
------------------------------
Assignee: (was: david.wang)
> Provide support for asynchronous operations over streams
> --------------------------------------------------------
>
> Key: FLINK-4391
> URL: https://issues.apache.org/jira/browse/FLINK-4391
> Project: Flink
> Issue Type: New Feature
> Components: DataStream API
> Reporter: Jamie Grier
>
> Many Flink users need to do asynchronous processing driven by data from a DataStream. The classic example would be joining against an external database in order to enrich a stream with extra information.
> It would be nice to add general support for this type of operation in the Flink API. Ideally this could simply take the form of a new operator that manages async operations, keeps so many of them in flight, and then emits results to downstream operators as the async operations complete.
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