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https://issues.apache.org/jira/browse/ZOOKEEPER-102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16950880#comment-16950880
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maoling commented on ZOOKEEPER-102:
-----------------------------------

* If we move to other serialization library and only gain about 10% performance 
booster, Is it all completely unnecessary to replace Jute? Serialization may be 
not a bottle-neck for the system?
 * Starting another port for rolling upgrade will cause some unexpected issues, 
especially when leader changes, node reconfigs etc. If users have a proxy layer 
in front of zk ensemble, that will make upgrade easily.
 * IMHO, in the future(4.0.0), we will emphasize more on restful/http api than 
C client to support multi-languages.

> Need to replace Jute with supported code
> ----------------------------------------
>
>                 Key: ZOOKEEPER-102
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-102
>             Project: ZooKeeper
>          Issue Type: Improvement
>            Reporter: Benjamin Reed
>            Priority: Major
>             Fix For: 4.0.0
>
>
> ZooKeeper currently uses Jute to serialize objects to put on the wire and on 
> disk. We pulled Jute out of Hadoop and added a C binding. Both versions of 
> Jute have evolved (although Hadoop still doesn't have a C binding). It would 
> be nice to use a more standard serialization library. Some options include 
> Thrift or Google's protocol buffers.
> Our main requirements would be Java and C bindings and good performance. (For 
> example, serializing to XML would give us incredibly bad performance and 
> would not be acceptible!)



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