Why it don't print anything into part-00000 file

inary data Thanks in advance! Luiz

Send a map to all nodes

another node fails. I already set mapred.tasktracker.map.tasks.maximum to 1 and mapred.max.jobs.per.node to 1 but still, if a node fails, another node that has carried out a map before run the map again to meet the absence of which failed. Luiz Carlos Melo Muniz Luiz Carlos Melo Muniz

Re: Send a map to all nodes

Do not worry about this. My problem is just run an algorithm on all nodes in a grid. So I realized, hadoop does not serve for this purpose and I am already studying a alternative. If you have some suggestion I will be grateful. Luiz Carlos Melo Muniz 2012/3/29 Harsh J > Luiz, > &g

Re: Why it don't print anything into part-00000 file

pred.JobClient: Map output records=0 Thanks in advance! Regards, Luiz 2012/1/29 Ronald Petty > Luiz, > > Does your code work locally? I need a couple of more details to help. > > Ron > > On Sat, Jan 28, 2012 at 4:51 PM, Luiz wrote: > >> Hi people, >>

Re: Why it don't print anything into part-00000 file

spectively) Any idea that you could give me, I'll appreciate it. Thanks until now and thanks in advance! Regards, Luiz 2012/1/30 Ronald Petty > Luiz, > > What is in this file hdfs://10.22.1.2:54310/user/hadoop/out.ivory.small > > Kindest regards. > > Ron >

How to use MapWritable?!

(" + key + "," + freq + ")>"); output.collect(new Text(term), docIDfreq); } Iterator docIDfreqItr = docIDfreq.keySet().iterator(); while (docIDfreqItr.hasNext()){ LOG.info("key: " + (docIDfreqItr.next())); LOG.info("freq: " + docIDfreq.get(docIDfreqItr.next())); } } } Thanks in advance! Regards, Luiz

Re: How to use MapWritable?!

02/06 00:50:09 INFO mapred.JobClient: Job complete: job_local_0001 Where WordCount.java:114 is: LOG.info("freq: " + docIDfreq.get(docIDfreqItr.next())); If I put values there, why can't I recover them? Regards, Luiz 2012/2/5 Luiz Antonio Falaguasta Barbosa > Hi people, &

A doubt about integration with "tools" like Pig, Hive or H-Base

other running locally. I would like to know if is it possible. Regards, Luiz

Installing and configuring Hadoop

Hi guys! Please, which is the best recipe to install and configure Hadoop in multi-node cluster? And what about to use Eucalyptus under it, where could I find a good tutorial for all of these? -- []s, Luiz

Re: Installing and configuring Hadoop

Thanks Guojun and Pushpalanka! I have been found blog that Pushpalanka told, but I didn't start to read it. Thank you for the tips! []s, Luiz 2012/6/1 Pushpalanka Jayawardhana > Hi, > I have run Hadoop mutli node without a problem, following this > blog<http://www