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https://issues.apache.org/jira/browse/FLINK-12735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-12735.
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Resolution: Fixed
Fix Version/s: 1.9.0
master:
f9acd2ff317b4a6181e85ba50ddbe177573351d7
80003d62f386fc95a3dbbc414f2cd4de7a26e1bd
> Make shuffle environment implementation independent with IOManager
> ------------------------------------------------------------------
>
> Key: FLINK-12735
> URL: https://issues.apache.org/jira/browse/FLINK-12735
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Reporter: zhijiang
> Assignee: zhijiang
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The current creation of {{NetworkEnvironment}} is relying on {{IOManager}}
> from {{TaskManagerServices}}. In order not to rely on external specific
> components for implementing shuffle environment, and let the specific
> implementation creates internal components if required.
> The current abstract {{IOManager}} has two roles, one is for file channel
> management based on temp directories configuration, and the other is
> providing abstract methods for reading/writing files. We could further
> extract the file channel management as a separate internal class which could
> be reused for all the required components, like current
> {{BoundedBlockingSubpartition}}. To do so, the shuffle environment should
> also creates its internal channel manager to break dependency with
> {{IOManager}}.
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