unsubscribe
using FairScheduler, which seems to make a real attempt
to schedule tasks near the data first, and only falls back to other nodes
when there are no other options.
On 7 June 2011 21:00, Ian Halperin wrote:
> I found from Googling around that I should probably be seeing messages like
> "Cho
76.44711293532894724.JavaMail.hudson@aegis%3E).
I'm digging through the code, but any idea why mine's always choosing
non-local trackers?
On 7 June 2011 12:41, Ian Halperin wrote:
> Harsh, thanks for the clarification.
>
> But my mappers always seem to run elsewhere. Her
ote:
> Ian,
>
> The reducer needn't run on the same TaskTracker as it does not work on
> local data. The mapper 21, however, should've run on
> node:/rack1/rack1node1.local.
>
> On Tue, Jun 7, 2011 at 5:09 AM, Ian Halperin wrote:
> > Hi,
> >
> >
Hi,
I might be misunderstanding how scheduling is supposed to work, or I might
have something misconfigured, but my Map/Reduce jobs don't seem to run where
my data is located.
I get a bunch of these messages:
INFO org.apache.hadoop.mapred.JobInProgress: tip:task_201106062049_0001_
m_21 has sp
