Implementing a Data Mesh Strategy
The original definition of a data lake, which first appeared in a blog post by James Dixon in 2010 (see https://jamesdixon.wordpress.com/2010/10/14/pentaho-hadoop-and-data-lakes/), was as follows:
If you think of a datamart as a store of bottled water – cleansed and packaged and structured for easy consumption – the data lake is a large body of water in a more natural state. The contents of the data lake stream in from a source to fill the lake, and various users of the lake can come to examine, dive in, or take samples.
In his vision of what a data lake would be, Dixon imagined that a data lake would be fed by a single source of data, containing the raw data from a system (so not pre-aggregated like you would have with a traditional data warehouse). He imagined that you may then have multiple data lakes for different source systems, but that these would be somewhat isolated.
Of course, new terms and ideas often...
