Source Layout
Applicable to MongoDB and HBase only.
The Source Layout section describes the logical and physical structure of the sources and helps to understand how the source cluster is organized from a process and instance perspective.
The Source Layout section contains the Physical and Logical subsections.
![Layout.png](../__attachments/5619220605/Layout.png?inst-v=5eec7e65-538b-46a5-8e43-a091d945528e)
The Layout section
Physical Subsection
The Physical subsection shows information about the hosts and instances that the current cluster is comprised of.
This section helps to identify
Which source hosts are involved in the cluster
How they are sized.
![](../__attachments/5619220605/sec-physical-expanded-host.png?inst-v=5eec7e65-538b-46a5-8e43-a091d945528e)
The Physical subsection for MongoDB
Logical Subsection
The Logical subsection shows information about the way user data is stored across the cluster. This includes:
Databases, collections, and indexes for MongoDB
Namespaces, tables, and column families for HBase.
![](../__attachments/5619220605/sec-logical-expanded-collection.png?inst-v=5eec7e65-538b-46a5-8e43-a091d945528e)
The Logical subsection for MongoDB