Is there a way to store the tinkerpop graph in DynamoDB?
AWS provides Neptue graph database but problem with it is that it is not distributed and can't be horizontally scaled like DGraph etc. So I was wondering as DynamodDB is distributed database, if there is a way to store tinkerpop graph in DynamoDB directly?
Solution
TinkerPop, in general, can be designed to use nearly any back-end. You just need a storage plugin for it. To make it performant, it would also require overriding many of the underlying query execution operators to make sure they are fetching data from DynamoDB table(s) efficiently. TinkerGraph is a reference implementation of this where the storage medium is in-memory hashmaps for both vertices and edges. In practice, most people start with reviewing the code for TinkerGraph as a starting point for creating support for other storage mediums.
Once upon a time there was an implementation of TinkerPop called Titan (later became the basis of DSE Graph) that had a storage plugin that worked with DynamoDB. Someone later forked it and added support for such for JanusGraph (another TinkerPop implementation). The plugin is still out there, but hasn't been supported/maintained. https://github.com/amazon-archives/dynamodb-janusgraph-storage-backend
JanusGraph, itself, supports a Cassandra backend. We have seen a few folks attempt to use JanusGraph with Amazon Keyspaces (for Apache Cassandra).
In either case, building scale-out support for all of this becomes a bit cumbersome. As you end up having to front the back-end datastore (DynamoDB or Cassandra) with multiple Gremlin Server containers/instances. And then it is likely you would want to front those with a load balancer to handle scaling/redundancy.
All boils down to tradeoffs (as most things).
Once upon a time there was an implementation of TinkerPop called Titan (later became the basis of DSE Graph) that had a storage plugin that worked with DynamoDB. Someone later forked it and added support for such for JanusGraph (another TinkerPop implementation). The plugin is still out there, but hasn't been supported/maintained. https://github.com/amazon-archives/dynamodb-janusgraph-storage-backend
JanusGraph, itself, supports a Cassandra backend. We have seen a few folks attempt to use JanusGraph with Amazon Keyspaces (for Apache Cassandra).
In either case, building scale-out support for all of this becomes a bit cumbersome. As you end up having to front the back-end datastore (DynamoDB or Cassandra) with multiple Gremlin Server containers/instances. And then it is likely you would want to front those with a load balancer to handle scaling/redundancy.
All boils down to tradeoffs (as most things).
GitHub
The Amazon DynamoDB Storage Backend for JanusGraph - GitHub - amazon-archives/dynamodb-janusgraph-storage-backend: The Amazon DynamoDB Storage Backend for JanusGraph
Apache TinkerPop is an open source graph computing framework and the home of the Gremlin graph query language.
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