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From "Kam Kasravi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GEARPUMP-111) optimize Stream DSL broadcasting slave operations
Date Fri, 13 May 2016 15:30:13 GMT

     [ https://issues.apache.org/jira/browse/GEARPUMP-111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kam Kasravi updated GEARPUMP-111:
---------------------------------
    Assignee: Manu Zhang

> optimize Stream DSL broadcasting slave operations
> -------------------------------------------------
>
>                 Key: GEARPUMP-111
>                 URL: https://issues.apache.org/jira/browse/GEARPUMP-111
>             Project: Apache Gearpump
>          Issue Type: Improvement
>          Components: streaming
>            Reporter: Manu Zhang
>            Assignee: Manu Zhang
>            Priority: Minor
>
> In Stream DSL, all broadcasting slave operations tailing a master operation will be translated
to individual tasks. 
> For example, 
> {code}
> val stream = StreamApp.source(source, 1, "source")
> stream.filter(fn, "filter A")
> stream.filter(fn, "filter B")
> stream.filter(fn, "filter C")
> {code}
> This will be translated to 1 SourceTask and 3 FilterTasks although it's possible for
them to be done in 1 Task. 



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