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Re: Gremlin Query to return count for nodes and edges

Vinayak Bali
 

Hi Marc,

The backend used is Cassandra. I was just wondering if we can load the data from Cassandra's data store to the in-memory backend to speed up the process.
I tried OLAP by configuring Hadoop and Spark with the help of references shared in the documentation. A simple query to retrieve 1 node from the graph took around 5 mins. 
Based on your experience, request to share the steps to be followed to solve the issue.

Thanks & Regards,
Vinayak

On Wed, Feb 24, 2021 at 9:32 PM <hadoopmarc@...> wrote:
Hi Vinayak,

Speeding up your query depends on your setup. 15.000 vertices/second is already fast. Is this the janusgraph inmemory backend? Or ScyllaDB?

In a perfect world, not there yet, your query would profit from parallelization (OLAP). JanusGraph supports both the withComputer() and withComputer(SparkGraphComputer) start steps, but the former is undocumented and the performance gains of the latter are often disappointing.

Best wishes,    Marc

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