some file , total size is 2T ,and block size is 128M On Sat, Oct 18, 2014 at 2:26 AM, Shivram Mani <sm...@pivotal.io> wrote:
> What is your approx input size ? > Do you have multiple files or is this one large file ? > What is your block size (source and destination cluster) ? > > On Fri, Oct 17, 2014 at 4:19 AM, ch huang <justlo...@gmail.com> wrote: > >> 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 >>>> >>> >>> >> > > > -- > Thanks > Shivram >
