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From Azuryy Yu <azury...@gmail.com>
Subject Re: how to copy data between two hdfs cluster fastly?
Date Fri, 17 Oct 2014 09:46:47 GMT
Did you specified how many map tasks?


On Fri, Oct 17, 2014 at 4:58 PM, ch huang <justlooks@gmail.com> wrote:

> hi,maillist:
>              i now use distcp to migrate data from CDH4.4 to CDH5.1 , i
> find when copy small file,it very good, but when transfer big data ,it very
> slow ,any good method recommand? thanks
>

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