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.