|  | buckets/bucketsize (13/1024) 
    
      |  | Size of cache |  | 
      |  | pagesize (1024) 
    
      |  | Aligns buckets to page boundaries for efficiency |  | 
      |  | strings (0) 
    
      |  | Treat cache entries as strings, rather than references |  | 
      |  | read/write/delete (undef) 
    
      |  | Code refs for fetching/updating the underlying data |  | 
      |  | context (undef) 
    
      |  | Passed to the read/write/delete routines to provide context |  
      |  | May be altered after new() |  | 
      |  | permissions (0777) 
    
      |  | File creation permissions |  | 
      |  | cache_negative (0) 
    
      |  | Whether to cache entries not found in underlying data |  | 
      |  | writethrough (1) 
    
      |  | Whether to write underlying data as write()is called or when dirty entries are pushed out of the cache |  | 
      |  | expiry (0) 
    
      |  | How long entries should stay in the cache in seconds |  
      |  | 0: Never expire |  |