MELVYL SYSTEM TELNET RESPONSE TIME                             
                 Time period: 02/01/99 through 02/28/99                         
                                                                                
                                                                                
1.0  OVERALL RESPONSE TIME:                                                     
___________________________                                                     
                                                                                
  For a total of  3,320,714 commands:*                                          
                                                                                
     25% completed in less than    0.0 seconds.                                 
     50% completed in less than    0.1 seconds.                                 
     75% completed in less than    0.3 seconds.                                 
     90% completed in less than    1.0 seconds.                                 
     95% completed in less than    2.1 seconds.                                 
     99% completed in less than    9.4 seconds.                                 
                                                                                
1.1 BY TIME OF DAY, IN SECONDS:                                                 
_______________________________                                                 
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  Prime Time    2,342,378    0.1     0.1     0.3     1.0     2.2    10.0        
  (10am-6pm)                                                                    
                                                                                
  Non-Prime Time  978,336    0.0     0.1     0.2     0.8     1.7     7.9        
  (6pm-10am)                                                                    
                                                                                
                                                                                
  In two hour intervals:                                                        
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
                                                                                
    12-2am        57,848     0.0     0.1     0.2     0.6     1.2     5.7        
    2-4am         33,460     0.0     0.1     0.2     0.5     1.1     6.9        
    4-6am         25,110     0.0     0.1     0.2     0.5     1.0     4.6        
    6-8am         53,935     0.0     0.1     0.2     0.7     1.4     7.0        
    8-10am       287,498     0.0     0.1     0.3     0.9     2.0     9.3        
    10-12am      548,432     0.0     0.1     0.3     1.0     2.3    10.2        
    12-2pm       600,219     0.1     0.1     0.3     1.0     2.3    10.1        
    2-4pm        695,457     0.1     0.1     0.3     1.1     2.3    10.0        
    4-6pm        498,270     0.0     0.1     0.3     1.0     2.1     9.6        
    6-8pm        238,144     0.0     0.1     0.3     0.9     1.8     8.2        
    8-10pm       170,887     0.0     0.1     0.2     0.8     1.6     7.4        
    10-12pm      111,454     0.0     0.1     0.2     0.6     1.4     6.2        
                                                                                
* Logons and Logoffs not included.                                              
                                                                                
                                                                                
2.0  SPECIFIC RESPONSE TIME:                                                    
____________________________                                                    
                                                                                
  By Type of Command, in seconds                                                
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  FIND           1204542     0.1     0.2     0.7     2.2     4.1    13.4        
  DISPLAY        1800620     0.1     0.2     0.3     0.6     1.0     5.9        
  BROWSE           6,044     0.1     0.1     0.8     4.2     7.4    17.1        
  SELECT             972     0.0     0.0     0.1     0.1     0.2     3.6        
  HELP            81,428     0.0     0.0     0.0     0.0     3.8    39.0        
  EXPLAIN         66,657     0.0     0.0     0.0     0.0     0.0     0.4        
  SET            151,498     0.0     0.0     0.0     0.1     1.5     5.2        
  SHOW            15,905     0.0     0.0     0.0     0.0     0.0     0.4        
  LOGON          245,734     2.8     6.6    15.0    31.0    51.5   187.7        
  LOGOFF          35,328     0.0     0.0     0.0     0.0     0.0     0.0        
  FINDs, by index, in seconds                                                   
                                                                                
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PA              57,790     0.1     0.1     0.3     0.7     1.2     3.6        
  CA               4,663     0.1     0.2     0.5     1.2     2.0     4.8        
  AU              25,009     0.1     0.2     0.4     0.8     1.6     4.2        
  TW              93,192     0.1     0.4     1.3     2.9     4.7    19.0        
  SU              50,607     0.1     0.2     0.6     1.8     3.0     6.9        
  XCA                162     0.1     0.1     0.2     0.5     0.9     2.2        
  XT              40,614     0.0     0.1     0.1     0.2     0.3     1.2        
  XS               2,009     0.1     0.1     0.3     1.0     2.0     5.4        
  TI->XT           9,698     0.0     0.1     0.1     0.2     0.4     1.2        
  TI->TW           8,896     0.1     0.5     1.3     2.9     4.7    17.5        
  Catalog Other   15,763     0.0     0.2     0.9     2.5     3.8     7.6        
  TEN PA          17,022     0.4     0.7     1.1     3.0     7.4    36.6        
  TEN CA             320     0.1     0.3     0.8     1.8     2.8     5.8        
  TEN AU           1,806     0.1     0.2     0.4     1.1     2.2     6.7        
  TEN TW           7,894     0.1     0.3     0.9     2.4     4.1     7.7        
  TEN SU          10,247     0.1     0.4     1.0     2.4     4.4    14.2        
  TEN XCA             11     0.1     0.2     0.4     0.4     0.7     0.7        
  TEN XT           1,126     0.1     0.1     0.1     0.2     0.3     1.6        
  TEN XS             523     0.1     0.2     0.7     2.5     4.1    11.3        
  TEN TI->XT         456     0.1     0.1     0.1     0.1     0.2     0.4        
  TEN TI->TW         577     0.2     0.4     1.0     2.4     4.1     8.0        
  TEN Other       13,463     0.4     0.6     1.0     2.0     4.9    21.0        
  COMMENT          7,212     0.5     0.8     1.2     2.7     5.9    23.0        
  MJO              7,101     0.1     0.2     0.7     2.7     5.1    12.8        
  MED PA          62,290     0.1     0.1     0.2     0.3     0.7     2.7        
  MED TW          19,809     0.1     0.3     0.8     1.8     2.9     7.7        
  MED SW             622     0.1     0.3     1.4     4.0     6.7    19.2        
  MED SU           8,699     0.1     0.2     1.2     3.5     6.2    14.9        
  MED MSU            389     0.1     0.3     1.1     2.4     4.6    23.3        
  MED XS           2,738     0.1     0.2     0.9     2.4     3.8     9.4        
  MED MXS          3,523     0.4     0.5     0.9     2.1     5.9    33.6        
  MED XT           1,282     0.1     0.1     0.2     0.3     0.5     4.3        
  MED TN              18     0.7     0.8     1.1     4.1    33.3    33.3        
  MED XJ           3,214     0.1     0.1     0.4     1.0     1.5     3.4        
  MED MTN             73     1.6     4.2     8.8    24.3    41.5   214.3        
  MED KW          92,494     0.1     0.6     2.4     6.7    10.7    23.2        
  MED DATE         4,044     0.0     0.1     0.4     0.9     1.5     5.2        
  MED LANG         4,084     0.0     0.0     0.1     0.6     0.9     4.1        
  MED XXS          1,504     0.3     1.4     3.8    11.4    20.1    93.6        
  MED XMXS           186     0.3     1.0     3.0     7.6    18.2    64.3        
  MED Other          510     0.0     0.2     0.6     0.7     0.9     3.6        
  FINDs, by index, in seconds (continued)                                       
                                                                                
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PE              88,492     0.1     0.2     0.6     1.2     1.7     3.4        
  XPE             31,047     0.0     0.1     0.1     0.2     0.3     1.0        
  PE PA              509     0.0     0.1     0.1     0.2     0.4     0.6        
  PE CA              252     0.1     0.3     0.5     0.9     1.7     6.1        
  PE XC               12     0.1     0.1     0.3     0.6     0.8     0.8        
  PE SU            1,339     0.1     0.1     0.3     1.0     1.8     4.0        
  PE XS               88     0.1     0.1     0.2     0.5     0.6     3.3        
  PE SE              133     0.1     0.1     0.2     0.4     0.5     0.6        
  PE XSE              11     0.1     0.1     0.2     1.4     2.5     2.5        
  PE CODEN             6     0.0     0.0     0.1     0.1     0.1     0.1        
  PE ISSN          2,202     0.0     0.0     0.1     0.1     0.1     0.5        
  PE LCCN              0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE ISBN             21     0.0     0.1     0.1     0.1     0.1     0.1        
  PE RN                1     2.3     2.3     2.3     2.3     2.3     2.3        
  PE STOCK             0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE GD               15     0.0     0.0     0.1     0.1     0.1     0.1        
  PE Other         1,831     0.4     0.4     0.6     1.0     2.6    23.7        
  Multi           76,980     0.3     0.8     2.2     5.3     9.1    27.8        
                                                                                
                                                                                
  BROWSEs, by index, in seconds                                                 
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PA                 294     0.2     0.4     0.9     2.6     5.3    10.4        
  CA                  15     0.2     0.6     1.9     5.9    13.8    13.8        
  SU               1,754     0.5     1.3     4.3     8.3    12.7    29.7        
  XCA                  8     0.3     0.8     2.9     8.8     8.8     8.8        
  XS                 107     0.2     0.9     2.7     5.4     7.4    11.8        
  Other               10     0.6     0.8     1.4     3.2     4.0     4.0        
  TEN PA               5     0.4     0.6     1.4     1.5     1.5     1.5        
  TEN CA               1     1.4     1.4     1.4     1.4     1.4     1.4        
  TEN SU             206     0.7     2.1     6.3    10.5    13.0    17.1        
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN XS              58     0.4     2.3     8.6    13.8    14.3    25.4        
  Ten Other            3     0.2     1.1     2.4     2.4     2.4     2.4        
  MJO                464     0.0     0.1     0.2     0.3     0.3     0.5        
  MED PA             186     0.0     0.0     0.1     0.1     0.2     1.2        
  MED SU           2,249     0.0     0.1     0.1     0.2     0.3     2.8        
  MED XS             117     0.0     0.1     0.1     0.2     0.4     1.2        
  MED TN               2     0.1     0.2     0.2     0.2     0.2     0.2        
  MED XJ             118     0.0     0.0     0.1     0.1     0.2     0.2        
  Multi                3    21.6    25.8    44.8    44.8    44.8    44.8