Method updateDataNodesAndDescendants is using individual DB operations in for-loops. It can be improved to use plural DB methods.

org.onap.cps.spi.impl.CpsDataPersistenceServiceImpl#updateDataNodesAndDescendants

Investigate:

• Error scenarios, e.g. DataNodeNotFoundException, may be acceptable to log failures

A/C:

• Add performance tests updateDataNodesAndDescendants
• New code improves performance