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https://issues.apache.org/jira/browse/STORM-1565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252690#comment-15252690
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ASF GitHub Bot commented on STORM-1565:
---------------------------------------

Github user dan-blanchard commented on a diff in the pull request:

    https://github.com/apache/storm/pull/1136#discussion_r60652344
  
    --- Diff: pom.xml ---
    @@ -202,6 +202,7 @@
             <clj-time.version>0.8.0</clj-time.version>
             <curator.version>2.9.0</curator.version>
             <json-simple.version>1.1</json-simple.version>
    +        <msgpack.version>0.6.12</msgpack.version>
    --- End diff --
    
    Annoyingly, they changed the whole API with the change from `msgpack` to 
`msgpack-core`, so the template approach won't work anymore.  You can see new 
usage examples 
[here](https://github.com/msgpack/msgpack-java/blob/develop/msgpack-core/src/test/java/org/msgpack/core/example/MessagePackExample.java).


> Multi-Lang Performance Improvements
> -----------------------------------
>
>                 Key: STORM-1565
>                 URL: https://issues.apache.org/jira/browse/STORM-1565
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-core
>            Reporter: Xin Wang
>            Assignee: Xin Wang
>
> 1. add _org.apache.storm.multilang.MessagePackSerializer_
> 2. change default "topology.multilang.serializer" to _MessagePackSerializer_
> According to http://msgpack.org/ : It's like JSON, but fast and small.
> {quote}
> MessagePack is an efficient binary serialization format. It lets you exchange 
> data among multiple languages like JSON. But it's faster and smaller. Small 
> integers are encoded into a single byte, and typical short strings require 
> only one extra byte in addition to the strings themselves.
> {quote}



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