Re: resolveMutations error

I get the error as well but couldn’t figure out why. Did you check if all your vertices are present after the exception would have been thrown? Regards Pascal Am 14.05.2014 um 17:05 schrieb Jyotirmoy Sundi sundi...@gmail.commailto:sundi...@gmail.com: Hi, Not throwing the exception in

Superstep duration increases

Hi all, I have implemented a label propagation algorithm to find clusters in a graph. I just realized that the time the algorithm takes for one superstep is increasing and I don’t know why. The graph is static and the number of messages is the same throughout all supersteps. During every

Multiple OutputFormats at the end of computation?

Hi all, I’m wondering if there’s a way to have multiple OutputFormats. At the end of my computation I want - have my complete graph dumped on a per vertex base (vertexID, all edges, plus some VertexValueData) - have an edge list (startID, targetID) - only some special edges per vertex (which I

Using out of core messages

Hi all, I am struggling with the settings to use out of core messages. I have 3 nodes with 16 GB RAM each ( one master, two workers). I ran into a java heap space OOM Error. First question is: Where do I set the mapred.child.java-opts Options? Do I need to add them via the -ca mapred.child….“

Re: push-relabel flow algorithm

not think so. I can use jason format because the other edge values i will set them in compute function. do you agree with me. Thank you so so much Rana On Mar 25, 2014, at 2:42 AM, Pascal Jäger pas...@pascaljaeger.demailto:pas...@pascaljaeger.de wrote: Hi Rana, all you need to do is writing your own

Re: Giraph on Cloudera: Unsupported major.minor version 51.0

Cheers Pascal Am 27.02.2014 um 15:25 schrieb Pascal Jäger pas...@pascaljaeger.de: Hey, Thanks for the hints Owen! Basically, thats what I did before. I installed Java with the following commands sudo apt-get install python-software-properties sudo add-apt-repository ppa:webupd8team/java

Re: Giraph on Cloudera: Unsupported major.minor version 51.0

javac' were pointing to the correct java install, it worked. Best, Owen On Thu, Feb 27, 2014 at 6:56 AM, Pascal Jäger pas...@pascaljaeger.de wrote: Hi all, I am trying to run Giraph on an Cloudera Cluster. I saw there is a maven profile hadoop_cdh4.1.2. I installed that version of cdh on my

Aggregators as

Hi all, I have some questions about the use of aggregators. I want to implement an algorithms for Community Detection and Community Tracking. The Community Detection algorithm basically outputs a file where each line represents a community and contains the IDs of the nodes in the community.

Re: subGraph clustering maybe

Hi, I'd suggest a graph database for that job - like neo4j. I never used one before, but it seems like the perfect job for a graph db. Regards Pascal Von: Phil Hoy p...@dctfh.commailto:p...@dctfh.com Antworten an: user@giraph.apache.orgmailto:user@giraph.apache.org

Question concerning Aggregators

Hi everyone, I am trying to use an Aggregator I have written. Unfortunately I do get an IOException. As far as I can see the exception occurs when things are send from the Aggregator to the Master, during a readFields of one of my classes. The writes and readFields of my classes do not seem to

Bi-directional and multigraphs

Hi everyone, I am currently getting my hands on giraph which is why I am trying to implement a maximum flow algorithm originally designed for MapReduce. The algorithm requires bi-directional edges. * Are bi-directional edges supported in giraph? * Where would I find them? Thanks