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Posted to issues@flink.apache.org by "Nico Kruber (JIRA)" <ji...@apache.org> on 2017/07/31 14:21:00 UTC

[jira] [Created] (FLINK-7316) always use off-heap network buffers

Nico Kruber created FLINK-7316:
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             Summary: always use off-heap network buffers
                 Key: FLINK-7316
                 URL: https://issues.apache.org/jira/browse/FLINK-7316
             Project: Flink
          Issue Type: Sub-task
          Components: Core, Network
    Affects Versions: 1.4.0
            Reporter: Nico Kruber
            Assignee: Nico Kruber


In order to send flink buffers through netty into the network, we need to make the buffers use off-heap memory. Otherwise, there will be a hidden copy happening in the NIO stack.



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