The ability to load data into Neo4j is enabled through a variety of data loading APIs and tools. For processes where big data sets flow in or out of the Neo4j graph database, consideration needs to be taken to batch these read and write operations into batch sizes that are sympathetic to the master instances memory capacity as well the transactional overhead of data writes.
Neo4j provides a number of APIs to import big data sets including:
- the Cypher transactional endpoint, which uses the Cypher query language and is simple to utilize from any programing language because files containing CQL can be structured to bulk load data and write consistently.
- the Cypher data import capabilities exposed through LOAD CSV enable CSV files from a specified remote or local URL to be loaded and batching into desirable transaction sizes for importing massive data
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