[jira] [Updated] (KAFKA-398) Enhance SocketServer to Enable Sending Requests

["Jun Rao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jun Rao updated KAFKA-398:
--------------------------

    Affects Version/s:     (was: 0.8)
                           (was: 0.7)
                       0.8.1
    
> Enhance SocketServer to Enable Sending Requests
> -----------------------------------------------
>
>                 Key: KAFKA-398
>                 URL: https://issues.apache.org/jira/browse/KAFKA-398
>             Project: Kafka
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 0.8.1
>            Reporter: Guozhang Wang
>              Labels: features
>         Attachments: kafka-398-0.7-v1.patch, kafka-398-0.7-v2.patch
>
>
> Currently the SocketServer is only used for reactively receiving requests and send responses but not used for pro-actively send requests and receive responses. Hence it does not need to remember which channel/key correspond to which consumer.
> On the other hand, there are cases such as consumer coordinator that needs SocketServer to send requests and receive responses to the consumers.
> It would be nice to add this functionality such that an API can be called with the id string and the request message, and the SocketServer will figure out which channel to use and write that message to the key's attachment and set the flag as WRITABLE so that the processor can then send it.

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