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Valentyn Kahamlyk <valent...@bitquilltech.com.invalid> 于2022年7月18日周一 16:56写道： > > Hi All, > > I'm investigating the possibility of using Arrow Flight with graph databases, > and exploring how to enable Arrow Flight endpoint in Apache Tinkerpop Gremlin > server. > > Now graph databases use several incompatible protocols that make it difficult > to use and spread the technology. > A common features for graph databases are > 1. Lack of a scheme. Each vertex of the graph can have its own set of > properties, including properties with the same name but different types. > Metadata such as type and size are also passed with each value, which > increases the amount of data transferred. Some data types are not supported > by all languages. > 2. Internal representation of data is different for all implementations. For > data exchange we used a set of formats like customized JSON and custom > binary, but we would like to get a performance gain from using Arrow Flight. > 3. The difference in concepts like transactions, sessions, etc. Conceptually > this may differ from the implementation in SQL. > Gremlin server does not natively support transactions, so we use the Neo4J > plugin. > > We are currently working on a prototype in which we are trying to use Arrow > Flight as a transport for transmitting requests and data to Gremlin Server. > Serialization is still based on an internal format due to schema creation > complexity. > > Ideas are welcome. > > Regards, Valentyn
