-Re: reduce job hung in pending state: "No room for reduce task"
Jitendra Yadav 2013-08-30, 20:07
Did you checked the free disk space on server where your reducer task
because it need approx. 264gb free disk space to run(as per logs).
On 8/30/13, Jim Colestock <[EMAIL PROTECTED]> wrote:
> Hello All,
> We're running into the following 2 bugs again:
> Both of them a listed as closed fixed. (I was actually the one that got
> cloudera to submit MAPREDUCE-2324) Does anyone know is anyone else seeing
> these in later releases? We're running the following on various version of
> Cent OS with Java 1.6:
> Just for a quick summary, basically a reduce job get hung in pending while
> trying to find room on a task tracker, it keeps trying over and over and
> never fails. So you end up with a whole bunch of these in the logs:
> 2013-08-27 00:48:01,412 WARN org.apache.hadoop.mapred.JobInProgress: No room
> for reduce task. Node tracker_104.sm.tld:127.0.0.1/127.0.0.1:43723 has
> 250176954368 bytes free; but we expect reduce input to take 283580756533
> Thanks in advance for any help on the issue..