Errr really? Well shipping a bunch of hard drives should be faster.
J-D
On Apr 23, 2011 12:17 AM, "Jonathan Disher" wrote:
> Aha, that works.
>
> Any ideas what kind of throughput I can expect, or suggestions for making
this run as fast as possible? Obviously exact numbers will depend on cluster
Aha, that works.
Any ideas what kind of throughput I can expect, or suggestions for making this
run as fast as possible? Obviously exact numbers will depend on cluster
config, I won't bore you with the details, but... 10mbit? 100mbit? A gigabit?
I've got about 112TB of data to move from the
See "Copying between versions of HDFS":
http://hadoop.apache.org/common/docs/r0.20.2/distcp.html#cpver
J-D
On Fri, Apr 22, 2011 at 10:37 PM, Jonathan Disher wrote:
> I have an existing cluster running hadoop-0.20.1, and I am migrating most of
> the data to a new cluster running -0.20.2. I am s
I have an existing cluster running hadoop-0.20.1, and I am migrating most of
the data to a new cluster running -0.20.2. I am seeing this in the namenode
logs when I try to run a distcp:
@40004db263bf29c77134 WARN ipc.Server: Incorrect header or version mismatch
from newNN:46111 got version
