Double thanks (one for each reply) J-D, I'll use distcp as you suggest. -eran
On Tue, Mar 15, 2011 at 19:10, Jean-Daniel Cryans <[email protected]>wrote: > Strangely enough I did answer that question the day you sent it but it > doesn't show up on the mailing list aggregators even tho gmail marks > it as sent... anyways here's what I said: > > It won't work because those versions aren't wire-compatible. > > What you can do instead is doing an Export, distcp the files, then do > an Import. If the hadoop versions are different, use the hftp > interface like the distcp documentation recommends. > > J-D > > On Tue, Mar 15, 2011 at 1:11 AM, Eran Kutner <[email protected]> wrote: > > No idea anyone? > > > > -eran > > > > > > > > On Wed, Mar 2, 2011 at 16:40, Eran Kutner <[email protected]> wrote: > > > >> Hi, > >> I'm trying to copy data from an older cluster using 0.89 (CDH3b3) to a > new > >> one using 0.91 (CDH3b4) using the CopyTable MR job but it always hangs > on > >> "map 0% reduce 0%" until eventually the job is killed by Hadoop for not > >> responding after 600 seconds. > >> I verified that it works fine when copying from one table to another on > the > >> same cluster and I verified that the servers in the source cluster have > >> network access to those in the destination cluster. > >> > >> Any idea what could be causing it? > >> > >> -eran > >> > >> > > >
