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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12579) Deprecate and remove WriteableRPCEngine
Date Tue, 12 Jan 2016 19:48:40 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15094639#comment-15094639
] 

Colin Patrick McCabe commented on HADOOP-12579:
-----------------------------------------------

+1 for the proposal.

It would also be nice if we could get rid of the "wrapper objects" that we manually create,
and just use the protocol buffers objects directly.  HBase did this and observed a performance
improvement based on reduced garbage being generated.

> Deprecate and remove WriteableRPCEngine
> ---------------------------------------
>
>                 Key: HADOOP-12579
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12579
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Haohui Mai
>
> The {{WriteableRPCEninge}} depends on Java's serialization mechanisms for RPC requests.
Without proper checks, it has be shown that it can lead to security vulnerabilities such as
remote code execution (e.g., COLLECTIONS-580, HADOOP-12577).
> The current implementation has migrated from {{WriteableRPCEngine}} to {{ProtobufRPCEngine}}
now. This jira proposes to deprecate {{WriteableRPCEngine}} in branch-2 and to remove it in
trunk.



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