52.67. 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 52.68. 
    
     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.