MELVYL SYSTEM TELNET RESPONSE TIME                             
                 Time period: 06/01/99 through 06/30/99                         
                                                                                
                                                                                
1.0  OVERALL RESPONSE TIME:                                                     
___________________________                                                     
                                                                                
  For a total of  2,259,670 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    0.8 seconds.                                 
     95% completed in less than    1.6 seconds.                                 
     99% completed in less than    6.2 seconds.                                 
                                                                                
1.1 BY TIME OF DAY, IN SECONDS:                                                 
_______________________________                                                 
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  Prime Time    1,581,349    0.0     0.1     0.3     0.9     1.7     6.7        
  (10am-6pm)                                                                    
                                                                                
  Non-Prime Time  678,321    0.0     0.1     0.2     0.7     1.3     5.2        
  (6pm-10am)                                                                    
                                                                                
                                                                                
  In two hour intervals:                                                        
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
                                                                                
    12-2am        48,119     0.0     0.1     0.2     0.5     1.1     4.2        
    2-4am         31,625     0.0     0.1     0.2     0.5     0.9     3.3        
    4-6am         20,584     0.0     0.1     0.2     0.5     1.0     4.0        
    6-8am         49,398     0.0     0.1     0.2     0.6     1.1     4.6        
    8-10am       224,409     0.0     0.1     0.3     0.8     1.5     5.7        
    10-12am      396,516     0.0     0.1     0.3     0.9     1.7     6.7        
    12-2pm       397,356     0.0     0.1     0.3     0.9     1.7     6.6        
    2-4pm        471,139     0.0     0.1     0.3     0.9     1.8     6.8        
    4-6pm        316,338     0.0     0.1     0.3     0.8     1.7     6.4        
    6-8pm        131,471     0.0     0.1     0.2     0.7     1.4     5.4        
    8-10pm        97,628     0.0     0.1     0.2     0.7     1.4     5.3        
    10-12pm       75,087     0.0     0.1     0.2     0.6     1.2     5.0        
                                                                                
* 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           832,187     0.1     0.2     0.6     1.8     3.4    10.9        
  DISPLAY        1239657     0.1     0.2     0.3     0.5     0.9     1.8        
  BROWSE           4,063     0.0     0.1     0.3     2.7     5.9    13.9        
  SELECT             423     0.0     0.0     0.1     0.2     0.6     3.7        
  HELP            41,274     0.0     0.0     0.0     0.0     5.2    39.6        
  EXPLAIN         37,696     0.0     0.0     0.0     0.0     0.1     0.3        
  SET             98,953     0.0     0.0     0.0     0.2     1.7     4.3        
  SHOW             9,865     0.0     0.0     0.0     0.0     0.1     0.4        
  LOGON          174,266     2.8     6.5    14.0    28.3    47.1   191.1        
  LOGOFF          20,404     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              45,054     0.1     0.1     0.3     0.6     1.1     3.5        
  CA               3,281     0.1     0.2     0.6     1.4     2.3     6.0        
  AU              18,216     0.1     0.1     0.3     0.8     1.7     4.5        
  TW              74,881     0.1     0.4     1.2     2.7     4.3    14.8        
  SU              28,894     0.1     0.2     0.6     1.7     2.9     6.6        
  XCA                 88     0.0     0.1     0.1     0.5     0.9     2.1        
  XT              31,586     0.0     0.1     0.1     0.2     0.3     0.8        
  XS               1,569     0.1     0.1     0.3     1.2     2.1     5.1        
  TI->XT           7,496     0.1     0.1     0.1     0.2     0.4     0.9        
  TI->TW           7,617     0.1     0.5     1.5     4.5    13.8    55.2        
  Catalog Other   12,946     0.0     0.2     0.8     2.4     3.7     7.7        
  TEN PA          11,571     0.4     0.6     1.0     2.6     6.5    28.3        
  TEN CA              11     0.6     0.8     0.8     0.9     3.1     3.1        
  TEN AU               1     0.2     0.2     0.2     0.2     0.2     0.2        
  TEN TW               7     0.4     0.5     0.8     1.4     1.4     1.4        
  TEN SU           2,502     0.3     0.6     0.8     1.3     2.5     7.6        
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN XT              10     0.7     1.0     2.7     6.3     9.6     9.6        
  TEN XS              19     0.2     0.4     0.8     1.3     1.4     1.4        
  TEN TI->XT           0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN TI->TW           0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN Other        6,462     0.2     0.4     0.7     1.2     2.2     7.7        
  COMMENT          6,394     0.3     0.5     0.9     1.5     2.7     9.0        
  MJO              5,512     0.1     0.2     0.6     2.2     3.9     9.4        
  MED PA          47,619     0.1     0.1     0.1     0.2     0.4     1.8        
  MED TW          14,783     0.1     0.2     0.6     1.4     2.1     6.3        
  MED SW             269     0.1     0.3     1.1     2.7     4.9    12.4        
  MED SU           4,914     0.1     0.1     1.1     3.2     5.5    11.5        
  MED MSU            271     0.1     0.2     1.2     2.7     4.0     8.6        
  MED XS           1,645     0.1     0.2     0.9     2.3     4.3     8.3        
  MED MXS          2,444     0.3     0.4     0.7     1.1     2.2     6.4        
  MED XT             877     0.1     0.1     0.1     0.2     0.3     1.2        
  MED TN              21     0.5     0.7     0.8     1.4     1.4     2.3        
  MED XJ           2,399     0.1     0.1     0.4     0.8     1.1     2.7        
  MED MTN             79     1.5     3.2    10.5    27.0    34.7    94.5        
  MED KW          65,772     0.1     0.4     1.6     4.2     6.6    15.1        
  MED DATE         3,260     0.0     0.1     0.5     0.9     1.3     3.3        
  MED LANG         2,678     0.0     0.0     0.1     0.7     0.8     1.6        
  MED XXS            905     0.3     1.1     3.1     7.2    12.8    31.0        
  MED XMXS           114     0.1     0.3     1.7     2.7     3.5     4.6        
  MED Other          338     0.0     0.1     0.5     0.6     0.7     1.1        
  FINDs, by index, in seconds (continued)                                       
                                                                                
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PE              75,378     0.1     0.2     0.5     1.0     1.5     2.7        
  XPE             21,721     0.0     0.0     0.1     0.2     0.3     0.5        
  PE PA              308     0.0     0.1     0.1     0.1     0.2     0.5        
  PE CA              281     0.1     0.3     0.4     0.7     1.0     8.7        
  PE XC                4     0.1     0.2     0.2     0.2     0.2     0.2        
  PE SU              597     0.1     0.1     0.3     0.9     1.5     2.9        
  PE XS               37     0.1     0.1     0.2     0.8     1.1     2.1        
  PE SE               72     0.1     0.1     0.2     0.2     0.3     0.5        
  PE XSE               1     0.1     0.1     0.1     0.1     0.1     0.1        
  PE CODEN            11     0.0     0.0     0.0     0.1     0.1     0.1        
  PE ISSN          2,491     0.0     0.0     0.0     0.1     0.1     0.3        
  PE LCCN              6     0.0     0.0     0.0     0.0     0.0     0.0        
  PE ISBN              7     0.0     0.1     0.1     0.3     0.3     0.3        
  PE RN                0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE STOCK             0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE GD               29     0.0     0.0     0.1     0.8     0.9     2.5        
  PE Other         1,478     0.3     0.3     0.4     0.6     0.8     2.6        
  Multi           54,320     0.2     0.6     1.8     4.3     7.1    22.0        
                                                                                
                                                                                
  BROWSEs, by index, in seconds                                                 
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PA                 233     0.2     0.3     0.7     1.9     4.9     9.2        
  CA                  23     0.4     0.7     2.3     4.0     5.1    11.1        
  SU                 811     0.6     1.6     4.9     9.6    12.6    32.8        
  XCA                  5     1.5     2.9     3.5    14.7    14.7    14.7        
  XS                  73     0.7     2.0     4.2     8.5    13.6    16.0        
  Other               13     0.5     2.4     3.7     5.9    10.9    10.9        
  TEN PA               0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN CA               0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN SU               0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN XS               0     0.0     0.0     0.0     0.0     0.0     0.0        
  Ten Other            0     0.0     0.0     0.0     0.0     0.0     0.0        
  MJO                460     0.0     0.1     0.1     0.2     0.2     0.6        
  MED PA             100     0.0     0.0     0.1     0.1     0.1     0.7        
  MED SU           1,804     0.0     0.0     0.1     0.1     0.2     1.5        
  MED XS              78     0.1     0.1     0.1     0.1     0.1     0.7        
  MED TN               0     0.0     0.0     0.0     0.0     0.0     0.0        
  MED XJ             150     0.0     0.0     0.0     0.1     0.1     0.2        
  Multi                0     0.0     0.0     0.0     0.0     0.0     0.0