MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 04/27/02 through 05/03/02


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    131,881 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    0.5 seconds.
     95% completed in less than    0.9 seconds.
     99% completed in less than    3.4 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time       94,796    0.0     0.1     0.2     0.5     0.9     3.4
  (10am-6pm)

  Non-Prime Time   37,085    0.0     0.1     0.2     0.5     0.8     3.3
  (6pm-10am)


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

    12-2am         1,492     0.0     0.1     0.2     0.4     0.8     2.3
    2-4am          1,700     0.0     0.1     0.3     0.6     0.9    13.0
    4-6am            981     0.0     0.1     0.2     0.3     0.6     2.1
    6-8am          3,092     0.0     0.1     0.2     0.4     0.7     3.0
    8-10am        15,350     0.0     0.1     0.2     0.5     0.9     3.6
    10-12am       25,436     0.0     0.1     0.2     0.5     1.0     3.4
    12-2pm        23,651     0.0     0.1     0.2     0.5     0.9     3.8
    2-4pm         26,563     0.0     0.1     0.2     0.5     0.9     3.2
    4-6pm         19,146     0.0     0.1     0.2     0.5     0.9     3.2
    6-8pm          6,854     0.0     0.1     0.2     0.4     0.8     2.5
    8-10pm         4,532     0.0     0.1     0.2     0.5     0.8     3.0
    10-12pm        3,084     0.0     0.1     0.2     0.5     0.9     4.6

* 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            49,005     0.0     0.1     0.3     0.9     1.7     7.0
  DISPLAY         74,007     0.1     0.1     0.2     0.4     0.6     1.2
  BROWSE             120     0.3     1.0     2.7     8.2    13.4    25.8
  SELECT              23     0.0     0.0     0.0     0.0     0.0     0.6
  HELP             1,658     0.0     0.0     0.0     0.0     0.0    23.9
  EXPLAIN          1,395     0.0     0.0     0.0     0.0     0.0     0.1
  SET              5,399     0.0     0.0     0.0     0.0     1.2     4.3
  SHOW               413     0.0     0.0     0.0     0.0     0.0     0.1
  LOGON           11,511     3.0     6.6    12.8    23.7    41.7   521.3
  LOGOFF             635     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               4,387     0.0     0.1     0.1     0.3     0.4     1.2
  CA                 306     0.0     0.1     0.3     0.7     1.3     2.6
  AU               1,035     0.0     0.1     0.1     0.3     0.6     1.7
  TW               6,244     0.1     0.2     0.7     1.7     2.8    17.1
  SU               1,539     0.0     0.1     0.4     1.0     1.7     3.8
  XCA                  4     0.1     0.1     0.2     0.2     0.2     0.2
  XT               4,112     0.0     0.0     0.1     0.1     0.1     0.2
  XS                  87     0.0     0.1     0.3     0.8     1.1    19.3
  TI->XT             702     0.0     0.0     0.1     0.1     0.1     0.2
  TI->TW             692     0.1     0.2     0.5     1.2     1.8     3.2
  Catalog Other    1,616     0.0     0.1     0.4     1.4     2.2     3.8
  TEN PA             409     0.3     0.6     3.5    13.8    32.4    50.9
  TEN CA             190     0.2     0.2     0.3     0.6     0.7     1.2
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW              17     0.2     0.2     0.3     0.5     0.6     0.6
  TEN SU             134     0.4     0.6     0.8     1.1     1.5     2.2
  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               0     0.0     0.0     0.0     0.0     0.0     0.0
  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          187     0.2     0.3     0.4     0.7     1.1    19.3
  COMMENT            161     0.2     0.4     0.8     1.5     2.5    21.7
  MJO                  0     0.0     0.0     0.0     0.0     0.0     0.0
  MED PA               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED TW               2     0.2     3.3     6.4     6.4     6.4     6.4
  MED SW               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED SU               4     0.4     0.5     0.6     0.6     0.6     0.6
  MED MSU              0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XS               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED MXS             40     0.2     0.3     0.3     0.4     0.5     0.6
  MED XT               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED TN               1    24.9    24.9    24.9    24.9    24.9    24.9
  MED XJ               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED MTN             20     0.6     1.3     3.9    15.8    28.2    39.7
  MED KW               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED DATE             0     0.0     0.0     0.0     0.0     0.0     0.0
  MED LANG             0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XXS              0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XMXS             0     0.0     0.0     0.0     0.0     0.0     0.0
  MED Other            0     0.0     0.0     0.0     0.0     0.0     0.0
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE               8,157     0.0     0.1     0.4     0.7     0.9     1.6
  XPE              2,745     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA                5     0.1     0.1     0.1     0.1     0.1     0.1
  PE CA               25     0.1     0.2     0.3     0.6     0.6     0.8
  PE XC                3     0.0     0.1     0.2     0.2     0.2     0.2
  PE SU               43     0.0     0.1     0.4     1.0     1.4     3.9
  PE XS                2     0.0     0.1     0.1     0.1     0.1     0.1
  PE SE                8     0.1     0.1     0.1     0.2     0.2     0.2
  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            809     0.0     0.0     0.0     0.0     0.0     0.1
  PE LCCN              1     0.1     0.1     0.1     0.1     0.1     0.1
  PE ISBN              3     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                1     0.1     0.1     0.1     0.1     0.1     0.1
  PE Other             2     0.1     0.1     0.1     0.1     0.1     0.1
  Multi            2,678     0.2     0.4     1.1     2.7     4.8    28.0


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                   4     0.3     0.3     1.3     2.4     2.4     2.4
  CA                   1     0.6     0.6     0.6     0.6     0.6     0.6
  SU                  85     0.5     1.5     3.7    10.5    13.8    28.3
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                  15     0.1     0.8     2.0     2.7     4.5     4.5
  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                  0     0.0     0.0     0.0     0.0     0.0     0.0
  MED PA               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED SU               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XS               0     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               0     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)