Re: Janus Graph performing OLAP with Spark/Yarn


Joe Obernberger <joseph.o...@...>
 

Hi John - I'm also very interested in how to do this.  We recently built a graph stored in HBase, and when we run g.E().count(), it took some 5+ hours to complete from the gremlin shell (79 million edges).  Is there any 'how to' or getting started guide on how to use Spark+YARN with this?

Thank you!

-Joe


On 5/31/2017 1:06 PM, 'John Helmsen' via JanusGraph users list wrote:
Gentlemen and Ladies,

Currently our group is trying to stand up an instance of JanusGraph/Titan that performs OLAP operations using SparkGraphComputer in TinkerPop.  To do OLAP,.we wish to use Spark with Yarn.  So far, however, we have not been able to successfully launch any distributed queries, such as count(), using this approach.  While we can post stack traces, etc, I'd like to ask a different question first.

Has anyone gotten the system to perform Spark operations using YARN?
If so, how?
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