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Posted to issues@flink.apache.org by "Ufuk Celebi (JIRA)" <ji...@apache.org> on 2016/08/05 08:37:20 UTC
[jira] [Updated] (FLINK-4265) Add a NoOpOperator
[ https://issues.apache.org/jira/browse/FLINK-4265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ufuk Celebi updated FLINK-4265:
-------------------------------
Fix Version/s: (was: 1.1.0)
> Add a NoOpOperator
> ------------------
>
> Key: FLINK-4265
> URL: https://issues.apache.org/jira/browse/FLINK-4265
> Project: Flink
> Issue Type: New Feature
> Components: DataSet API
> Affects Versions: 1.1.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Priority: Minor
>
> One recent feature of Gelly is algorithms which detect duplicated or similar computation which can be shared. My initial implementation could only reuse a {{DataSet}} result. Before committing to Flink this was updated to use a javassist {{ProxyFactory}} allowing configuration to be merged and results to be replaced. There were some issues, as identified in FLINK-4257. With a {{NoOpOperator}} we can remove the use of {{ProxyFactory}} and resolve the identified issues.
> This ticket adds a {{NoOpOperator}} which is unwound in {{OperatorTranslation.translate}}. The {{NoOpOperator}} contains a {{DataSet}} which is accessed by a getter and setter.
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