We had an absolutely miserable experience trying to get Janus to behave rationally, and thus far have had zero drama with Orient; we skipped dgraph because it does not appear to work with Gremlin, meaning one must use vendor-specific APIs to use dgraph.
Contrast that with Orient, who also have an Enterprise version, and they just straight-up say "Apache 2, no drama" https://github.com/orientechnologies/orientdb/blob/develop/l...
We had an absolutely miserable experience trying to get Janus to behave rationally, and thus far have had zero drama with Orient; we skipped dgraph because it does not appear to work with Gremlin, meaning one must use vendor-specific APIs to use dgraph.
Their client reminds me of the days before ORM: write a big string literal and send it to the server: https://github.com/dgraph-io/dgraph4j#running-a-query