no ,all default On Fri, Oct 17, 2014 at 5:46 PM, Azuryy Yu <azury...@gmail.com> wrote:
> Did you specified how many map tasks? > > > On Fri, Oct 17, 2014 at 4:58 PM, ch huang <justlo...@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 >> > >