This is an objective summary of the features and drawbacks of Hadoop/HDFS as an analytics platform and compare these to the cloud-based Snowflake data warehouse.
Whichever way you wish to ensure that a database, when built, has all the data that will enable it to function properly, there are reasonably simple ways of doing it.
Learn how OSGi R7 Push Stream, OSGi R7 HTTP Whiteboard, and OSGi R7 JAX-RS Whiteboard can be applied to provide data streaming functionality in your web application.