MELVYL SYSTEM TELNET RESPONSE TIME                             
                 Time period: 01/01/99 through 01/31/99                         
                                                                                
                                                                                
1.0  OVERALL RESPONSE TIME:                                                     
___________________________                                                     
                                                                                
  For a total of  2,822,250 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   10.4 seconds.                                 
                                                                                
1.1 BY TIME OF DAY, IN SECONDS:                                                 
_______________________________                                                 
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  Prime Time    2,030,634    0.0     0.1     0.3     1.0     2.3    11.1        
  (10am-6pm)                                                                    
                                                                                
  Non-Prime Time  791,616    0.0     0.1     0.3     0.8     1.7     8.5        
  (6pm-10am)                                                                    
                                                                                
                                                                                
  In two hour intervals:                                                        
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
                                                                                
    12-2am        45,087     0.0     0.1     0.2     0.6     1.2     5.3        
    2-4am         24,576     0.0     0.1     0.2     0.6     1.2     7.6        
    4-6am         20,381     0.0     0.1     0.2     0.5     1.0     4.5        
    6-8am         48,744     0.0     0.1     0.2     0.7     1.4     8.7        
    8-10am       251,686     0.0     0.1     0.3     0.9     2.0    10.9        
    10-12am      485,342     0.0     0.1     0.3     1.1     2.4    11.6        
    12-2pm       509,383     0.0     0.1     0.3     1.0     2.2    11.1        
    2-4pm        608,165     0.1     0.1     0.3     1.1     2.4    11.4        
    4-6pm        427,744     0.0     0.1     0.3     1.0     2.1    10.2        
    6-8pm        183,343     0.0     0.1     0.2     0.8     1.8     8.8        
    8-10pm       128,735     0.0     0.1     0.2     0.8     1.7     7.9        
    10-12pm       89,064     0.0     0.1     0.2     0.6     1.3     5.8        
                                                                                
* 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           1038435     0.1     0.2     0.7     2.2     4.3    14.4        
  DISPLAY        1514138     0.1     0.2     0.3     0.5     1.0     5.8        
  BROWSE           5,340     0.0     0.1     0.7     3.6     7.2    18.5        
  SELECT             665     0.0     0.0     0.1     0.1     0.5     6.7        
  HELP            61,883     0.0     0.0     0.0     0.0     7.6    44.7        
  EXPLAIN         53,220     0.0     0.0     0.0     0.0     0.1     0.4        
  SET            141,868     0.0     0.0     0.0     0.1     1.6    10.1        
  SHOW            12,644     0.0     0.0     0.0     0.0     0.1     0.4        
  LOGON          221,632     2.6     6.2    14.3    29.5    48.7   180.1        
  LOGOFF          29,986     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              54,341     0.1     0.1     0.3     0.7     1.2     3.4        
  CA               3,664     0.1     0.2     0.6     1.3     1.9     4.9        
  AU              23,134     0.1     0.1     0.3     0.8     1.5     3.8        
  TW              82,869     0.1     0.4     1.2     2.8     4.5    17.7        
  SU              34,895     0.1     0.2     0.6     1.9     3.1     7.3        
  XCA                261     0.0     0.1     0.1     0.4     0.7     2.6        
  XT              35,411     0.0     0.1     0.1     0.2     0.4     1.3        
  XS               1,603     0.1     0.1     0.3     1.1     2.3     5.6        
  TI->XT           8,351     0.1     0.1     0.1     0.2     0.4     1.1        
  TI->TW           7,779     0.1     0.4     1.2     2.8     4.7    23.2        
  Catalog Other   14,015     0.0     0.2     0.9     2.5     3.8     7.8        
  TEN PA          14,002     0.4     0.7     1.5     8.1    21.9    67.5        
  TEN CA             270     0.2     0.4     0.8     1.4     1.8     3.0        
  TEN AU           1,811     0.1     0.2     0.4     1.1     2.4     5.8        
  TEN TW           7,077     0.1     0.4     1.0     2.6     4.4     9.5        
  TEN SU           7,366     0.1     0.5     1.2     3.7     6.5    59.9        
  TEN XCA             16     0.1     0.2     0.3     0.7     1.7     1.7        
  TEN XT           1,240     0.1     0.1     0.1     0.2     0.3     0.8        
  TEN XS             294     0.1     0.3     0.9     3.1     5.4    16.7        
  TEN TI->XT         401     0.1     0.1     0.1     0.1     0.2     0.5        
  TEN TI->TW         533     0.2     0.4     1.1     2.7     4.5     7.0        
  TEN Other        8,278     0.4     0.7     1.2     5.4    12.9    61.2        
  COMMENT          6,274     0.6     0.9     1.4     7.4    19.0    67.3        
  MJO              7,623     0.1     0.2     0.7     2.5     4.9    11.5        
  MED PA          65,685     0.1     0.1     0.2     0.4     0.7     2.8        
  MED TW          19,309     0.1     0.3     0.7     1.8     2.8     7.0        
  MED SW             538     0.1     0.3     1.3     3.3     5.6    17.1        
  MED SU           8,388     0.1     0.2     1.2     3.2     5.5    14.2        
  MED MSU            532     0.1     0.3     1.2     3.2     4.3    25.5        
  MED XS           2,520     0.1     0.2     0.8     1.8     3.4     9.4        
  MED MXS          2,185     0.4     0.6     1.6     9.8    19.9    68.1        
  MED XT             955     0.1     0.1     0.2     0.3     0.4     2.6        
  MED TN              10     0.6     0.8    11.4    27.7    44.0    44.0        
  MED XJ           2,918     0.1     0.1     0.5     1.2     2.3    34.1        
  MED MTN            117     1.0     3.0     8.4    29.7    41.8   130.8        
  MED KW          94,884     0.1     0.5     2.2     6.0     9.5    21.2        
  MED DATE         4,436     0.0     0.1     0.4     0.9     1.6     4.6        
  MED LANG         4,078     0.0     0.0     0.1     0.5     0.8     2.1        
  MED XXS          1,167     0.3     1.4     3.8     7.8    12.1    38.8        
  MED XMXS           128     0.4     1.2     2.5     5.9    15.1    48.9        
  MED Other          346     0.0     0.2     0.6     0.7     0.9     1.7        
  FINDs, by index, in seconds (continued)                                       
                                                                                
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PE              79,702     0.1     0.2     0.6     1.1     1.6     3.2        
  XPE             24,832     0.0     0.1     0.1     0.2     0.3     1.0        
  PE PA              433     0.0     0.1     0.1     0.3     0.5    11.1        
  PE CA              233     0.1     0.3     0.6     0.9     1.2     3.3        
  PE XC               24     0.1     0.1     0.3     0.8     0.9     0.9        
  PE SU              812     0.1     0.1     0.3     1.2     1.9     3.0        
  PE XS               61     0.1     0.1     0.1     0.2     0.3     1.4        
  PE SE               81     0.1     0.1     0.2     0.3     0.4     1.9        
  PE XSE               8     0.1     0.1     0.1     0.2     0.2     0.2        
  PE CODEN             5     0.0     0.0     0.1     0.1     0.1     0.1        
  PE ISSN          1,384     0.0     0.0     0.1     0.1     0.1     0.8        
  PE LCCN              1     0.1     0.1     0.1     0.1     0.1     0.1        
  PE ISBN              4     0.1     0.1     0.1     0.1     0.1     0.1        
  PE RN                1     0.9     0.9     0.9     0.9     0.9     0.9        
  PE STOCK             0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE GD               26     0.0     0.0     0.1     0.4     0.4     0.9        
  PE Other         1,481     0.4     0.5     0.8     6.4    17.8    60.8        
  Multi           75,294     0.3     0.8     2.2     5.5     9.2    31.6        
                                                                                
                                                                                
  BROWSEs, by index, in seconds                                                 
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PA                 223     0.2     0.5     1.6     4.2     7.5    19.9        
  CA                  16     0.4     0.7     2.5     4.3     5.0     5.0        
  SU               1,335     0.4     1.4     4.3     8.4    11.4    32.0        
  XCA                  8     0.1     0.3     1.9    19.5    19.5    19.5        
  XS                 125     0.2     0.8     2.8     7.7    19.6    30.6        
  Other               33     0.2     1.1     1.8     5.8    14.0    20.1        
  TEN PA              30     1.1     1.3     1.7     2.1     2.8     4.1        
  TEN CA               0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN SU             201     0.6     1.5     4.3    10.4    12.5    26.9        
  TEN XCA              2     0.3     0.7     1.0     1.0     1.0     1.0        
  TEN XS              26     0.4     1.0     2.6    11.3    16.5    24.9        
  Ten Other            5     0.2     0.3     0.4    12.1    12.1    12.1        
  MJO                409     0.0     0.1     0.1     0.2     0.4     0.7        
  MED PA             163     0.0     0.0     0.1     0.1     0.1     0.6        
  MED SU           2,131     0.0     0.1     0.1     0.2     0.3     3.4        
  MED XS             149     0.0     0.1     0.1     0.1     0.2     1.0        
  MED TN               0     0.0     0.0     0.0     0.0     0.0     0.0        
  MED XJ              72     0.0     0.1     0.1     0.2     0.5     4.6        
  Multi                3     2.3     6.8    16.0    16.0    16.0    16.0