in mapred-site.xml It is your Mapreduce configuration override. hth On Tuesday, July 2, 2013, Sznajder ForMailingList <[email protected]> wrote: > Thanks a lot Markus! > > Where do we define this parameter, please? > > Benjamin > > > On Tue, Jul 2, 2013 at 4:28 PM, Markus Jelsma <[email protected] >wrote: > >> Hi, >> >> Increase your memory in the task trackers by setting your Xmx in >> mapred.map.child.java.opts. >> >> Cheers >> >> >> >> -----Original message----- >> > From:Sznajder ForMailingList <[email protected]> >> > Sent: Tuesday 2nd July 2013 15:25 >> > To: [email protected] >> > Subject: Distributed mode and java/lang/OutOfMemoryError >> > >> > Hi, >> > >> > I am running Nutch 1.7 on a cluster of 6 nodes. >> > >> > I tempted to launch the bin/crawl script in this configuration and I am >> > getting a very strange error (an error I did not get in the local mode): >> > >> > 13/07/02 16:04:23 INFO fetcher.Fetcher: Fetcher Timelimit set for : >> > 1372781063368 >> > 13/07/02 16:04:25 INFO mapred.FileInputFormat: Total input paths to >> process >> > : 1 >> > 13/07/02 16:04:27 INFO mapred.JobClient: Running job: >> job_201207110955_1173 >> > 13/07/02 16:04:28 INFO mapred.JobClient: map 0% reduce 0% >> > 13/07/02 16:04:46 INFO mapred.JobClient: map 100% reduce 0% >> > 13/07/02 16:05:01 INFO mapred.JobClient: Task Id : >> > attempt_201207110955_1173_r_000000_0, Status : FAILED >> > Error: null >> > attempt_201207110955_1173_r_000000_0: JVMDUMP006I Processing dump event >> > "systhrow", detail "java/lang/OutOfMemoryError" - please wait. >> > attempt_201207110955_1173_r_000000_0: JVMDUMP032I JVM requested Heap dump >> > using >> > >> '/local/hadoop/tmp/mapred/local/taskTracker/jobcache/job_201207110955_1173/attempt_201207110955_1173_r_000000_0/work/heapdump.20130702.160821.24995.0001.phd' >> > in response to an event >> > >> > >> > Do you have an idea how to solve that? >> > >> > Benjamin >> > >> >
-- *Lewis*
