What version of Hama? and you need to check the groom-server logs and task logs.
On Sun, Mar 10, 2013 at 3:27 AM, andronat_asf <[email protected]> wrote: > Hello everyone, > > I was reading the tutorial for Google Web dataset (local mode, pseudo > distributed cluser) at http://wiki.apache.org/hama/WriteHamaGraphFile. > > I downloaded a Graph (~1GB) and uploaded it to hdfs. The file was splitted in > 17 hdfs chunks. (I remind that I am trying to run in pseudo distributed mode, > I have everything in my laptop). > > ls -l /tmp/hadoop/dfs/data/current/ | grep -v 'meta' | wc -l > 17 > > Then I tried to run a code I wrote based on the example but: > > # tail -f hama-my-bspmaster-my.local.log > > 2013-03-09 20:09:47,060 INFO org.apache.hama.bsp.JobInProgress: num BSPTasks: > 17 > 2013-03-09 20:09:47,100 INFO org.apache.hama.bsp.JobInProgress: Job is > initialized. > 2013-03-09 20:09:47,103 ERROR org.apache.hama.bsp.SimpleTaskScheduler: Could > not schedule all tasks! > 2013-03-09 20:09:47,103 ERROR org.apache.hama.bsp.SimpleTaskScheduler: > Scheduling of job Hama Graph Loader could not be done successfully. Killing > it! > > My configuration is: > > HamaConfiguration conf = new HamaConfiguration(new Configuration()); > conf.set("bsp.local.tasks.maximum", "1"); > > GraphJob graphJob = new GraphJob(conf, HamaGraphLoader.class); > graphJob.setNumBspTask(1); > > I also tried to change the values of: > > conf.set("bsp.tasks.maximum", "1"); > conf.set("bsp.max.tasks.per.job", "1"); > conf.set("mapred.map.tasks", "1"); > conf.set("mapred.min.split.size", String.valueOf(Long.MAX_VALUE)); > > I even changed the according variables from hama-default.xml but nothing > seems to be working. The number of BSPTasks remain to 17. > > I attach my full configuration just in case. > > Thank you in advance, > Anastasis > -- Best Regards, Edward J. Yoon @eddieyoon
