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https://issues.apache.org/jira/browse/FLINK-1876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gyula Fora resolved FLINK-1876.
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Resolution: Done
> Refactor StreamGraph to be node centric
> ---------------------------------------
>
> Key: FLINK-1876
> URL: https://issues.apache.org/jira/browse/FLINK-1876
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Reporter: Gyula Fora
> Assignee: Gyula Fora
>
> Currently the StreamGraph that keeps all the information about the streaming
> topolgy uses a large number of hashmaps to store graph properties.
> These should be refactored in a node centric fashion.
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