MELVYL SYSTEM TELNET RESPONSE TIME                             
                 Time period: 05/01/99 through 05/31/99                         
                                                                                
                                                                                
1.0  OVERALL RESPONSE TIME:                                                     
___________________________                                                     
                                                                                
  For a total of  2,822,919 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    1.8 seconds.                                 
     99% completed in less than    6.9 seconds.                                 
                                                                                
1.1 BY TIME OF DAY, IN SECONDS:                                                 
_______________________________                                                 
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  Prime Time    1,963,943    0.0     0.1     0.3     1.0     1.9     7.2        
  (10am-6pm)                                                                    
                                                                                
  Non-Prime Time  858,976    0.0     0.1     0.2     0.8     1.5     6.0        
  (6pm-10am)                                                                    
                                                                                
                                                                                
  In two hour intervals:                                                        
                                    All commands completed in less than*        
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
                                                                                
    12-2am        55,640     0.0     0.1     0.2     0.6     1.2     4.8        
    2-4am         30,042     0.0     0.1     0.2     0.5     1.0     4.5        
    4-6am         20,534     0.0     0.1     0.2     0.5     1.0     3.9        
    6-8am         45,573     0.0     0.1     0.2     0.6     1.2     4.9        
    8-10am       246,335     0.0     0.1     0.3     0.8     1.6     6.1        
    10-12am      466,047     0.0     0.1     0.3     0.9     1.8     6.9        
    12-2pm       485,854     0.0     0.1     0.3     1.0     2.0     7.3        
    2-4pm        587,474     0.1     0.1     0.3     1.0     1.9     7.3        
    4-6pm        424,568     0.0     0.1     0.3     0.9     1.8     7.2        
    6-8pm        205,673     0.0     0.1     0.3     0.8     1.7     6.6        
    8-10pm       155,059     0.0     0.1     0.2     0.8     1.6     6.6        
    10-12pm      100,120     0.0     0.1     0.2     0.6     1.4     5.6        
                                                                                
* 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           1022645     0.1     0.2     0.7     2.1     3.9    11.6        
  DISPLAY        1550313     0.1     0.2     0.3     0.6     0.9     1.8        
  BROWSE           4,591     0.0     0.1     0.5     3.1     6.1    16.2        
  SELECT             598     0.0     0.0     0.1     0.1     0.3     1.2        
  HELP            66,230     0.0     0.0     0.0     0.0     3.6    38.6        
  EXPLAIN         55,014     0.0     0.0     0.0     0.0     0.0     0.3        
  SET            114,976     0.0     0.0     0.0     0.2     1.7     4.0        
  SHOW            13,685     0.0     0.0     0.0     0.0     0.1     0.4        
  LOGON          209,083     3.0     6.7    14.9    30.7    52.2   213.4        
  LOGOFF          28,085     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              48,468     0.1     0.1     0.3     0.7     1.3     4.2        
  CA               4,162     0.1     0.2     0.5     1.2     2.1     5.7        
  AU              22,296     0.1     0.2     0.4     0.9     1.8     5.3        
  TW              88,019     0.1     0.4     1.3     3.0     4.8    16.5        
  SU              45,614     0.1     0.2     0.6     1.8     2.9     6.5        
  XCA                111     0.1     0.1     0.2     0.4     0.7     2.0        
  XT              34,841     0.0     0.1     0.1     0.2     0.3     1.0        
  XS               2,072     0.1     0.1     0.4     1.2     2.2     5.3        
  TI->XT           7,591     0.1     0.1     0.1     0.2     0.4     0.8        
  TI->TW           8,025     0.1     0.4     1.2     2.9     4.5    15.6        
  Catalog Other   14,434     0.0     0.2     0.8     2.4     3.9     7.9        
  TEN PA          14,680     0.3     0.6     0.9     1.8     4.2    21.5        
  TEN CA              13     0.5     0.7     0.8     2.0     2.3     2.3        
  TEN AU               2     0.3     0.5     0.6     0.6     0.6     0.6        
  TEN TW               9     0.4     0.6     0.6     0.9     0.9     0.9        
  TEN SU           3,195     0.3     0.6     0.9     1.4     2.1     6.4        
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0        
  TEN XT               4     0.4     0.6    18.9    37.1    37.1    37.1        
  TEN XS              15     0.2     0.2     0.7     0.7     0.7     0.7        
  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       11,587     0.2     0.4     0.7     1.1     1.8     6.1        
  COMMENT          7,882     0.3     0.5     0.8     1.4     2.4     8.4        
  MJO              6,016     0.1     0.2     0.6     2.3     4.1     9.3        
  MED PA          50,003     0.1     0.1     0.1     0.2     0.4     1.9        
  MED TW          16,472     0.1     0.2     0.6     1.3     2.1     5.8        
  MED SW             429     0.1     0.2     0.7     1.9     3.2    12.8        
  MED SU           6,945     0.1     0.1     1.0     3.0     5.1    12.5        
  MED MSU            304     0.1     0.1     0.3     1.6     2.3     4.1        
  MED XS           2,005     0.1     0.2     0.9     2.0     3.6     7.8        
  MED MXS          3,388     0.3     0.4     0.7     1.2     2.2     8.5        
  MED XT             909     0.1     0.1     0.1     0.2     0.4     2.3        
  MED TN              23     0.3     0.5     0.8     0.9     1.2     1.9        
  MED XJ           2,789     0.1     0.1     0.4     0.8     1.2     2.6        
  MED MTN             63     1.9     3.9     7.4    12.7    19.2    40.4        
  MED KW          77,572     0.1     0.4     1.5     3.9     6.2    13.7        
  MED DATE         3,322     0.0     0.2     0.5     1.0     1.6     4.3        
  MED LANG         3,350     0.0     0.0     0.1     0.6     0.8     2.9        
  MED XXS            991     0.3     1.3     3.6     8.0    13.3    37.7        
  MED XMXS           192     0.2     1.1     4.4    17.7    36.1    88.7        
  MED Other          362     0.0     0.1     0.5     0.6     0.8     1.6        
  FINDs, by index, in seconds (continued)                                       
                                                                                
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PE              78,336     0.1     0.2     0.6     1.1     1.7     3.0        
  XPE             23,956     0.0     0.1     0.1     0.2     0.3     0.7        
  PE PA              414     0.0     0.1     0.1     0.2     0.4     0.8        
  PE CA              252     0.1     0.3     0.5     0.8     1.3     2.3        
  PE XC               12     0.1     0.1     0.2     0.2     0.6     0.6        
  PE SU              999     0.1     0.1     0.3     0.9     1.5     3.4        
  PE XS              109     0.0     0.1     0.1     0.2     0.6     1.0        
  PE SE               66     0.1     0.1     0.2     0.3     0.4     0.6        
  PE XSE               1     0.1     0.1     0.1     0.1     0.1     0.1        
  PE CODEN             1     0.1     0.1     0.1     0.1     0.1     0.1        
  PE ISSN          1,980     0.0     0.0     0.0     0.1     0.1     0.4        
  PE LCCN              0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE ISBN              3     0.0     0.1     0.1     0.1     0.1     0.1        
  PE RN                2     0.1     0.3     0.4     0.4     0.4     0.4        
  PE STOCK             0     0.0     0.0     0.0     0.0     0.0     0.0        
  PE GD               15     0.0     0.1     0.4     0.8     1.8     1.8        
  PE Other         1,771     0.2     0.3     0.4     0.6     0.7     1.4        
  Multi           64,584     0.3     0.7     2.1     5.0     8.0    23.0        
                                                                                
                                                                                
  BROWSEs, by index, in seconds                                                 
                                    Commands completed in less than:            
                    No.      25%     50%     75%     90%     95%     99%        
                    ___      ___     ___     ___     ___     ___     ___        
  PA                 157     0.2     0.5     1.2     4.4     5.5    13.1        
  CA                  30     0.4     0.6     1.5     3.4     3.9    42.7        
  SU               1,180     0.5     1.5     4.3     8.9    12.3    35.1        
  XCA                  1     0.4     0.4     0.4     0.4     0.4     0.4        
  XS                  87     0.2     0.8     2.7     4.8     5.5    11.5        
  Other               23     0.3     0.7     3.0     4.7     5.7     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                653     0.0     0.1     0.1     0.2     0.3     1.3        
  MED PA             110     0.0     0.0     0.1     0.1     0.1     0.2        
  MED SU           1,887     0.0     0.1     0.1     0.1     0.2     3.7        
  MED XS             100     0.0     0.1     0.1     0.1     0.1     1.0        
  MED TN               2     0.0     0.0     0.0     0.0     0.0     0.0        
  MED XJ              93     0.0     0.0     0.1     0.1     0.2     0.6        
  Multi                0     0.0     0.0     0.0     0.0     0.0     0.0