Giraph 1.0 | Computation stuck at map 100% - reduce 0% for my algorithm only, at multi-node cluster

2014-09-30 Thread Panagiotis Eustratiadis
Good morning, I have been having a problem the past few days which sadly I can't solve. First of all I set up a Hadoop 0.20.203.0 cluster of two nodes a master and a slave. I followed this tutorial for the settings:

Re: Giraph 1.0 | Computation stuck at map 100% - reduce 0% for my algorithm only, at multi-node cluster

2014-09-30 Thread Matthew Cornell
I'm new, but in my meager experience when it stops at map 100% it means there was an error somewhere. In Giraph I've often found it difficult to pin down what that error actually was (e.g., out of memory), but the logs are the first place to look. Just to clarify re: not finding outputs: Are you

Re: Giraph 1.0 | Computation stuck at map 100% - reduce 0% for my algorithm only, at multi-node cluster

2014-09-30 Thread Panagiotis Eustratiadis
Hello Matthew, thanks for the answer. Oddly enough the job isn't listed under the failed jobs, as it is still running. The execution never ends unless I kill it from the command line. And I did check the logs (I always do), but they don't say anything. By the way I see no syslog, only stdout and