MELVYL SYSTEM TELNET RESPONSE TIME                             
                 Time period: 08/01/99 through 08/31/99                         
                                                                                
                                                                                
1.0  OVERALL RESPONSE TIME:                                                     
___________________________                                                     
                                                                                
  For a total of  1,689,232 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    0.9 seconds.                                 
     95% completed in less than    1.7 seconds.                                 
     99% completed in less than    6.7 seconds.                                 
                                                                                
1.1 BY TIME OF DAY, IN SECONDS:                                                 
_______________________________                                                 
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  Prime Time    1,223,646    0.1     0.1     0.4     0.9     1.9     7.0        
  (10am-6pm)                                                                    
                                                                                
  Non-Prime Time  465,586    0.0     0.1     0.3     0.7     1.4     6.0        
  (6pm-10am)                                                                    
                                                                                
                                                                                
  In two hour intervals:                                                        
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
                                                                                
    12-2am        31,757     0.0     0.1     0.2     0.6     1.1     4.3        
    2-4am         16,574     0.0     0.1     0.2     0.5     1.1     4.9        
    4-6am         11,633     0.0     0.1     0.3     0.6     1.1     4.5        
    6-8am         36,035     0.0     0.1     0.3     0.7     1.3     6.3        
    8-10am       182,588     0.0     0.1     0.3     0.8     1.6     6.6        
    10-12am      329,854     0.1     0.1     0.4     0.9     1.9     6.9        
    12-2pm       307,512     0.1     0.1     0.3     0.9     1.8     7.0        
    2-4pm        347,670     0.1     0.1     0.4     1.0     2.0     7.4        
    4-6pm        238,610     0.0     0.1     0.3     0.9     1.8     6.5        
    6-8pm         92,859     0.0     0.1     0.2     0.6     1.3     5.7        
    8-10pm        51,073     0.0     0.1     0.2     0.6     1.2     5.5        
    10-12pm       43,067     0.0     0.1     0.2     0.6     1.2     5.5        
                                                                                
* 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           610,982     0.1     0.2     0.7     2.0     3.7    12.5        
  DISPLAY        940,530     0.1     0.2     0.3     0.6     0.8     1.9        
  BROWSE          18,254     0.0     0.0     0.1     0.2     0.7     6.4        
  SELECT             458     0.0     0.0     0.0     0.1     0.3     2.3        
  HELP            25,642     0.0     0.0     0.0     0.0     8.9    44.3        
  EXPLAIN         24,724     0.0     0.0     0.0     0.0     0.0     0.1        
  SET             80,133     0.0     0.0     0.0     0.1     1.6     4.1        
  SHOW             7,196     0.0     0.0     0.0     0.0     0.0     0.1        
  LOGON          130,737     2.5     5.9    13.0    26.0    42.8   185.9        
  LOGOFF          14,380     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              35,206     0.1     0.1     0.2     0.6     1.0     3.1        
  CA               2,602     0.1     0.2     0.6     1.3     2.3     5.3        
  AU              12,643     0.1     0.1     0.3     0.7     1.4     3.6        
  TW              54,229     0.1     0.4     1.2     2.9     4.6    19.2        
  SU              15,966     0.1     0.2     0.7     2.0     3.3     6.8        
  XCA                 73     0.0     0.1     0.2     0.5     0.8    20.7        
  XT              24,867     0.0     0.1     0.1     0.1     0.2     0.6        
  XS                 793     0.1     0.1     0.4     1.8     2.8     5.1        
  TI->XT           5,650     0.1     0.1     0.1     0.1     0.2     0.4        
  TI->TW           5,920     0.1     0.4     1.5     4.8    19.5    73.9        
  Catalog Other   11,756     0.0     0.2     0.8     2.4     3.7     7.5        
  TEN PA          10,717     0.4     0.6     1.0     2.0     4.7    24.4        
  TEN CA              27     0.4     0.6     0.8     1.1     1.1     2.4        
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN TW              65     0.2     0.4     0.6     0.9     1.0     1.1        
  TEN SU           2,221     0.3     0.6     0.8     1.3     1.7     3.6        
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN XT               0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN XS              25     0.2     0.3     0.8     0.9     1.0     1.6        
  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        3,590     0.2     0.4     0.7     1.1     1.7     4.9        
  COMMENT          5,167     0.3     0.5     0.8     1.3     2.1     6.5        
  MJO              4,779     0.1     0.2     0.6     1.9     3.8     9.7        
  MED PA          37,994     0.1     0.1     0.1     0.3     0.5     2.1        
  MED TW          11,881     0.1     0.2     0.6     1.6     2.6     7.3        
  MED SW             181     0.1     0.3     0.8     1.8     2.8    12.8        
  MED SU           3,778     0.1     0.2     1.2     3.4     6.6    13.7        
  MED MSU            375     0.1     0.2     0.8     2.5     3.6     7.7        
  MED XS           1,408     0.1     0.2     0.9     1.8     3.0     9.5        
  MED MXS          1,753     0.2     0.4     0.7     1.1     1.9     8.9        
  MED XT             857     0.1     0.1     0.1     0.2     0.3     1.9        
  MED TN              46     0.3     0.5     0.8     1.0     1.4     3.2        
  MED XJ           2,554     0.1     0.1     0.4     0.8     1.0     2.2        
  MED MTN             55     1.4     3.3    11.0    21.1    30.0    42.1        
  MED KW          50,389     0.1     0.5     1.9     5.1     8.1    18.4        
  MED DATE         3,181     0.0     0.2     0.5     1.1     1.7     4.1        
  MED LANG         2,260     0.0     0.0     0.1     0.8     1.0     3.3        
  MED XXS            850     0.4     1.5     4.0    14.3    23.0    76.3        
  MED XMXS           158     0.3     1.3     2.7     4.9     7.2    43.0        
  MED Other          286     0.0     0.1     0.6     0.7     0.8     1.6        
  FINDs, by index, in seconds (continued)                                       
                                                                                
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PE              61,738     0.1     0.3     0.8     1.5     2.2     3.9        
  XPE             14,381     0.0     0.1     0.1     0.2     0.2     0.6        
  PE PA              257     0.0     0.1     0.1     0.3     0.4     1.0        
  PE CA              237     0.2     0.4     0.8     1.4     1.8     4.6        
  PE XC                6     0.1     0.1     0.2     0.5     0.5     0.5        
  PE SU              307     0.1     0.2     1.0     2.3     2.9     3.8        
  PE XS               29     0.1     0.1     0.2     0.6     0.7     3.0        
  PE SE               75     0.1     0.2     0.2     0.5     0.7     2.8        
  PE XSE               3     0.1     0.1     0.2     0.2     0.2     0.2        
  PE CODEN             0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE ISSN          1,891     0.0     0.1     0.1     0.1     0.2     0.5        
  PE LCCN              2     0.0     0.1     0.1     0.1     0.1     0.1        
  PE ISBN              9     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               20     0.1     0.1     0.1     0.3     0.4     0.4        
  PE Other         1,038     0.2     0.3     0.4     0.5     0.7     1.3        
  Multi           44,838     0.3     0.7     1.9     4.6     7.7    24.1        
                                                                                
                                                                                
  BROWSEs, by index, in seconds                                                 
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PA                 160     0.2     0.5     1.1     3.3     6.4    31.3        
  CA                  14     0.9     1.7     5.8     6.9    12.9    12.9        
  SU               1,080     0.5     1.6     4.3     8.2    10.3    27.0        
  XCA                  1     3.0     3.0     3.0     3.0     3.0     3.0        
  XS                  68     0.5     1.0     3.9     9.2    13.1    21.9        
  Other               16     0.3     1.0     2.1     4.0     6.0     6.0        
  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                236     0.0     0.1     0.1     0.2     0.3     0.7        
  MED PA             120     0.0     0.0     0.1     0.1     0.1     0.5        
  MED SU          16,195     0.0     0.0     0.0     0.1     0.1     0.3        
  MED XS              66     0.0     0.1     0.1     0.1     0.1     0.5        
  MED TN               5     0.1     0.2     0.2     0.5     0.5     0.5        
  MED XJ              80     0.0     0.0     0.1     0.1     0.1     0.1        
  Multi                0     0.0     0.0     0.0     0.0     0.0     0.0