Open Lineage Services

The Open Lineage Services provides a historic reporting warehouse for lineage. It listens to events that are send out by the Asset Lineage OMAS, and stores lineage data in a Janusgraph database. This lineage can then be queried through the Open Lineage Services client and by its REST API, for example by a lineage GUI. While the data format of events sent out by the Asset Lineage Omas are in the Open Metadata format, Open Lineage services store lineage data in a very basic data format in order to optimize query performance.

In essence there are 3 kinds of graphs:

The Open Lineage Services data format consists of the following nodes (node properties included):

Glossaryterm

Table

Column

Process

SubProcess


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