MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 04/07/01 through 04/13/01


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    254,835 commands:*

     25% completed in less than    0.0 seconds.
     50% completed in less than    0.1 seconds.
     75% completed in less than    0.2 seconds.
     90% completed in less than    0.7 seconds.
     95% completed in less than    1.3 seconds.
     99% completed in less than    4.6 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time      174,872    0.0     0.1     0.3     0.7     1.3     4.6
  (10am-6pm)

  Non-Prime Time   79,963    0.0     0.1     0.2     0.6     1.1     4.5
  (6pm-10am)


  In two hour intervals:
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___

    12-2am         3,703     0.0     0.1     0.2     0.5     1.0     3.7
    2-4am          2,066     0.0     0.1     0.2     0.6     1.0     2.9
    4-6am          4,000     0.0     0.1     0.2     0.6     1.0     3.6
    6-8am          6,958     0.0     0.1     0.2     0.8     1.3     4.8
    8-10am        30,221     0.0     0.1     0.2     0.7     1.3     5.1
    10-12am       49,925     0.0     0.1     0.3     0.7     1.3     4.4
    12-2pm        45,784     0.0     0.1     0.3     0.7     1.3     4.9
    2-4pm         45,436     0.0     0.1     0.3     0.7     1.4     4.6
    4-6pm         33,727     0.0     0.1     0.2     0.7     1.3     4.7
    6-8pm         15,038     0.0     0.1     0.2     0.6     1.1     4.7
    8-10pm        10,310     0.0     0.1     0.2     0.5     0.9     4.1
    10-12pm        7,667     0.0     0.1     0.2     0.5     1.0     3.3

* 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            92,003     0.1     0.2     0.5     1.4     2.5     8.4
  DISPLAY        142,504     0.1     0.1     0.3     0.5     0.8     1.7
  BROWSE             444     0.0     0.0     0.8     6.3    11.8    23.9
  SELECT              65     0.0     0.0     0.1     0.1     0.1     0.3
  HELP             2,961     0.0     0.0     0.0     0.0     6.6    35.8
  EXPLAIN          2,522     0.0     0.0     0.0     0.0     0.0     0.0
  SET             14,057     0.0     0.0     0.0     0.7     1.1     4.7
  SHOW               785     0.0     0.0     0.0     0.0     0.0     0.0
  LOGON           19,184     2.3     5.5    11.4    21.9    35.0   180.4
  LOGOFF           1,424     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               5,400     0.1     0.1     0.3     0.5     1.0     3.4
  CA                 364     0.1     0.3     0.7     1.6     1.9     5.9
  AU               1,599     0.1     0.1     0.3     0.6     1.2     3.0
  TW               9,283     0.1     0.4     1.0     2.1     3.3    12.0
  SU               2,192     0.1     0.2     0.7     2.0     3.4     6.6
  XCA                  8     0.2     0.3     0.8     2.1     2.1     2.1
  XT               4,626     0.0     0.1     0.1     0.2     0.2     0.3
  XS                 108     0.1     0.1     0.3     1.3     1.9     3.2
  TI->XT             965     0.1     0.1     0.1     0.2     0.2     0.3
  TI->TW             841     0.1     0.3     0.8     2.0     3.1     9.4
  Catalog Other    1,970     0.0     0.1     0.7     2.0     3.1     6.5
  TEN PA             634     0.2     0.4     1.0     3.2    10.0    36.4
  TEN CA               3     0.2     0.2     0.2     0.2     0.2     0.2
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW              96     0.1     0.2     0.3     0.4     0.9    14.5
  TEN SU           1,001     0.2     0.3     0.4     0.7     1.1     4.2
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN XT               2     0.6     0.7     0.7     0.7     0.7     0.7
  TEN XS               9     0.2     0.2     0.2     0.3     0.3     0.3
  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          659     0.2     0.3     0.8     2.1     3.4     9.8
  COMMENT            297     0.2     0.4     0.7     1.8     3.6    23.3
  MJO                550     0.0     0.1     0.3     0.9     2.0     4.1
  MED PA           3,721     0.0     0.1     0.1     0.2     0.4     1.2
  MED TW           2,186     0.0     0.1     0.2     0.5     0.9     2.2
  MED SW              17     0.3     0.5     0.7     1.7     2.2     2.2
  MED SU             432     0.0     0.1     0.5     1.6     4.0     5.6
  MED MSU             30     0.1     0.3     1.3     3.7     8.5     9.5
  MED XS             155     0.0     0.1     0.7     1.2     1.6     2.5
  MED MXS            449     0.2     0.2     0.4     0.5     0.7     6.2
  MED XT             112     0.0     0.1     0.1     0.1     0.2     0.5
  MED TN              15     0.3     0.4     0.7     1.6     1.7     1.7
  MED XJ             407     0.1     0.3     0.6     0.9     1.3     3.9
  MED MTN             12     0.3     0.9     5.8     9.0   115.2   115.2
  MED KW           5,111     0.1     0.3     1.1     2.8     4.5     9.1
  MED DATE           430     0.1     0.2     0.8     1.5     2.0     4.5
  MED LANG           240     0.0     0.0     0.2     0.7     0.9     1.3
  MED XXS             54     0.6     1.1     2.5     5.2    12.9    14.7
  MED XMXS             7     0.3     0.9     1.9     3.2     3.2     3.2
  MED Other           33     0.0     0.2     0.4     0.6     0.6     3.7
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE              11,397     0.0     0.1     0.3     0.6     0.9     1.6
  XPE              3,603     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA               37     0.0     0.0     0.1     0.1     0.1     0.3
  PE CA               36     0.0     0.1     0.2     0.2     0.3     0.8
  PE XC                2     0.1     0.1     0.1     0.1     0.1     0.1
  PE SU               85     0.0     0.1     0.4     0.8     1.0     2.1
  PE XS               19     0.0     0.1     0.2     0.8     1.6     1.6
  PE SE                8     0.1     0.1     0.1     0.1     0.1     0.1
  PE XSE               0     0.0     0.0     0.0     0.0     0.0     0.0
  PE CODEN             1     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISSN            547     0.0     0.0     0.0     0.0     0.0     0.1
  PE LCCN              0     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISBN              4     0.0     0.0     0.0     0.0     0.0     0.0
  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                0     0.0     0.0     0.0     0.0     0.0     0.0
  PE Other           284     0.3     0.4     0.8     2.0     3.6    13.5
  Multi            6,994     0.2     0.6     1.5     3.6     6.5    24.9


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                  15     0.3     0.6     3.8     7.0     7.5     7.5
  CA                   1     0.3     0.3     0.3     0.3     0.3     0.3
  SU                 136     0.8     2.5     7.3    17.4    22.1    49.7
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                   4     4.4    10.0    13.8    15.8    15.8    15.8
  Other                0     0.0     0.0     0.0     0.0     0.0     0.0
  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                106     0.0     0.0     0.0     0.1     0.1     0.2
  MED PA              22     0.0     0.0     0.0     0.1     0.1     0.1
  MED SU             133     0.0     0.0     0.0     0.1     0.1     0.2
  MED XS              12     0.0     0.0     0.0     0.0     0.0     0.0
  MED TN               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XJ               5     0.0     0.0     0.0     0.0     0.0     0.0
  Multi                0     0.0     0.0     0.0     0.0     0.0     0.0
RTmm/dd  rt       MELVYL SYSTEM TELNET RESPONSE TIME (weekly)