52.4. pg_backend_memory_contexts #
 The view pg_backend_memory_contexts displays all the memory contexts of the server process attached to the current session. 
pg_backend_memory_contexts contains one row for each memory context. 
Table 52.4. pg_backend_memory_contexts Columns
| Column Type Description | 
|---|
| 
 Name of the memory context | 
| 
 Identification information of the memory context. This field is truncated at 1024 bytes | 
| 
 Name of the parent of this memory context | 
| 
 Distance from TopMemoryContext in context tree | 
| 
 Total bytes allocated for this memory context | 
| 
 Total number of blocks allocated for this memory context | 
| 
 Free space in bytes | 
| 
 Total number of free chunks | 
| 
 Used space in bytes | 
 By default, the pg_backend_memory_contexts view can be read only by superusers or roles with the privileges of the pg_read_all_stats role.