Joe, See https://groups.google.com/g/janusgraph-users/c/foaqfG-MB5E/m/tsNnkhPtBwAJ for a discussion on perhaps the same issue you are running into. Long story short, it appears you have a unique index

This from Titan, the predecessor to Janusgraph, but see https://groups.google.com/g/aureliusgraphs/c/z6kyGSlifXE/m/aLc2Zwb_BAAJ for some experience with a similar issue. You can either do locking and

Vinayak, If your goal is simply to get your entire graph into a JSON-based format, you may want to consider GraphSON (http://tinkerpop.apache.org/docs/3.4.1/dev/io/#graphson). Kevin

Vinayak, Is the out of memory error in the server or the client? And are Janusgraph and Cassandra running in the same JVM or are you running Cassandra separately? And what is your use case for your cl

Vinayak, What about the memory settings, specifically the max heap, for the JVM Janusgraph is running in? Your traversal is effectively retrieving your entire graph. Is that really what you need to do

Vinayak, What is the query? It sounds like whatever it is requires instantiating a lot of objects in order to process the results and construct the JSON. What are your memory settings for the Janusgra