[jira] [Updated] (KAFKA-49) Add acknowledgement to the produce request.

["Prashanth Menon (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-49?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prashanth Menon updated KAFKA-49:
---------------------------------

    Comment: was deleted

(was: Agreed, we need to change the wire protocol to include protocol version, it'll save future effort and solve backwards/forward compatibility issues.  Though I really like Taylor's idea of reusing the first byte of the requestId for version, it does limit us to 256 versions and 256 possible request types; not a drastic limitation, but still.  Add on to the fact that we're changing requestId's by collapsing the multi-fetch to just fetch and multi-produce to just produce and the other large changes happening with replication, maintaining backwards compatibility with < 0.7 seems like an unnecessarily significant effort.  My two cents is just to introduce a new format going forward, and leave room for enhancements. 

Did a quick look through the wiki, looks good at a glance.  I wasn't aware of all the other protocol changes!)
    
> Add acknowledgement to the produce request.
> -------------------------------------------
>
>                 Key: KAFKA-49
>                 URL: https://issues.apache.org/jira/browse/KAFKA-49
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Jun Rao
>
> Currently, the produce request doesn't get acknowledged. We need to have a broker send a response to the producer and have the producer wait for the response before sending the next request.

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