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MapReduce >> mail # dev >> VOTE: Committing HADOOP-6949 to 0.22 branch

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Re: VOTE: Committing HADOOP-6949 to 0.22 branch

I don't think this creates an incompatibility.  It changes the RPC wire
format, but we already require that clients and servers run identical
builds.  No application that ran with a prior version of Hadoop would be
broken by this change when it upgrades to this version of Hadoop.


On 03/28/2011 09:39 PM, Konstantin Shvachko wrote:
> HADOOP-6949 introduced a very important optimization to the RPC layer. Based
> on the benchmarks presented in HDFS-1583 this provides an order of magnitude
> improvement of current RPC implementation.
> RPC is a common component of Hadoop projects. Many of them should benefit
> from this change. But since this is an incompatible change it requires a
> vote to be included into a previous branch.
> Please vote for inclusion of this change into branch 0.22.
> +1 from me.
> Thanks,
> --Konstantin