ShortestPathExample on 300,000 node graph - Error: Exceeded limits on number of counters

2012-11-28 Thread Magyar, Bence (US SSA)
I have successfully run the shortest path example using Avery's sample input data. I am now attempting to run the shortest-path algorithm on a much larger data set (300,000 nodes) and I am running into errors. I have a 4-node cluster and am running the following command: ./giraph

Re: ShortestPathExample on 300,000 node graph - Error: Exceeded limits on number of counters

2012-11-28 Thread André Kelpe
Hi Bence, on older version of hadoop there is a hard limit on counters, which a job cannot modify. Since the counters are not crucial for the functioning of giraph, you can turn them off by setting giraph.useSuperstepCounters to false in your job config. I would also recommend looking into the

Re: ShortestPathExample on 300,000 node graph - Error: Exceeded limits on number of counters

2012-11-28 Thread Jonathan Bishop
Bence, I set that value to 100 - I think there is a recommendation to set this very high. Remember to reboot you cluster after making the change. Jon On Wed, Nov 28, 2012 at 6:07 AM, Magyar, Bence (US SSA) bence.mag...@baesystems.com wrote: I have successfully run the shortest path

Re: What a worker really is and other interesting runtime information

2012-11-28 Thread Avery Ching
Oh, forgot one thing. You need to set the number of partitions to use single each thread works on a single partition at a time. Try -Dhash.userPartitionCount=number of threads On 11/28/12 5:29 AM, Alexandros Daglis wrote: Dear Avery, I followed your advice, but the application seems to be

RE: ShortestPathExample on 300,000 node graph - Error: Exceeded limits on number of counters

2012-11-28 Thread Magyar, Bence (US SSA)
Thank you Andre, Setting giraph.useSuperstepCounters = false solved my issue. The job still hung at 100% and then eventually completed successfully. -Bence -Original Message- From: André Kelpe [mailto:efeshundert...@googlemail.com] Sent: Wednesday, November 28, 2012 10:45 AM To:

Issue running Giraph on more mappers

2012-11-28 Thread Tripti Singh
Hi, I am trying to run this workflow which uses Giraph. I am able to succesfully run the Giraph job when I use lesser no. of mappers and less data. But it fails for more mappers. This is what the logs say for master and worker nodes: Master Node: 2012-11-29 00:01:10,235 INFO [main]

Re: _zkServer does not Exist

2012-11-28 Thread Tripti Singh
Hi, Update on this one. I was able to resolve this error with the patch here: https://issues.apache.org/jira/browse/GIRAPH-391 Thanks, Tripti. From: Yahoo! Inc. tri...@yahoo-inc.commailto:tri...@yahoo-inc.com Reply-To: user@giraph.apache.orgmailto:user@giraph.apache.org