MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 04/13/02 through 04/19/02


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    130,643 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    3.5 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time       89,344    0.0     0.1     0.2     0.5     1.0     3.6
  (10am-6pm)

  Non-Prime Time   41,299    0.0     0.1     0.2     0.5     0.8     3.1
  (6pm-10am)


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

    12-2am         2,285     0.0     0.1     0.2     0.4     0.6     2.0
    2-4am          2,411     0.0     0.1     0.2     0.5     0.8     3.1
    4-6am          1,067     0.0     0.1     0.2     0.4     0.6     1.2
    6-8am          3,595     0.0     0.1     0.2     0.5     0.8     2.9
    8-10am        17,781     0.0     0.1     0.2     0.5     0.9     4.0
    10-12am       25,517     0.0     0.1     0.2     0.5     1.0     3.8
    12-2pm        23,324     0.0     0.1     0.2     0.5     0.9     3.3
    2-4pm         23,631     0.0     0.1     0.2     0.5     1.0     3.7
    4-6pm         16,872     0.0     0.1     0.2     0.5     0.9     3.7
    6-8pm          5,830     0.0     0.1     0.2     0.4     0.8     2.4
    8-10pm         4,157     0.0     0.1     0.2     0.4     0.8     3.5
    10-12pm        4,173     0.0     0.1     0.2     0.5     0.8     2.1

* 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            48,385     0.0     0.1     0.3     1.0     1.8     7.7
  DISPLAY         73,740     0.1     0.1     0.2     0.4     0.6     1.3
  BROWSE             174     0.3     1.0     3.7     9.3    13.0    27.8
  SELECT              44     0.0     0.0     0.0     0.0     0.0     0.1
  HELP             1,490     0.0     0.0     0.0     0.0     0.0    24.1
  EXPLAIN          1,296     0.0     0.0     0.0     0.0     0.0     0.0
  SET              5,417     0.0     0.0     0.0     0.0     1.2     4.4
  SHOW               306     0.0     0.0     0.0     0.0     0.0     0.1
  LOGON           11,077     3.3     7.1    13.1    24.0    42.5   516.2
  LOGOFF             551     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               4,414     0.0     0.1     0.1     0.3     0.4     1.1
  CA                 310     0.0     0.1     0.3     0.7     1.0     2.5
  AU               1,053     0.0     0.1     0.1     0.4     0.7     1.5
  TW               6,008     0.1     0.2     0.7     1.7     2.6    11.6
  SU               1,396     0.0     0.1     0.4     1.0     1.9     3.9
  XCA                 13     0.0     0.0     0.1     0.1     0.3     0.3
  XT               4,441     0.0     0.0     0.1     0.1     0.1     0.2
  XS                 108     0.0     0.1     0.2     0.7     1.6     3.3
  TI->XT             948     0.0     0.0     0.1     0.1     0.1     0.2
  TI->TW             834     0.1     0.2     0.6     1.1     1.7     4.1
  Catalog Other    1,692     0.0     0.1     0.3     1.0     1.8     3.5
  TEN PA             555     0.3     0.8     4.3    18.3    32.1    60.7
  TEN CA              95     0.2     0.2     0.3     0.5     2.4     5.8
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW              36     0.2     0.3     0.3     0.5     0.6     1.5
  TEN SU             131     0.4     0.6     0.7     1.0     2.4     3.0
  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          230     0.1     0.2     0.3     0.9     2.6    12.2
  COMMENT            196     0.2     0.4     0.6     1.5     3.0    15.4
  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               1     0.4     0.4     0.4     0.4     0.4     0.4
  MED SW               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED SU               6     0.2     0.3     0.3     0.5     0.5     0.5
  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             32     0.2     0.2     0.4     0.5     0.6     0.8
  MED XT               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED TN               1     1.0     1.0     1.0     1.0     1.0     1.0
  MED XJ               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED MTN             41     0.7     1.5     2.7     6.6     9.7    33.1
  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               8,083     0.0     0.1     0.4     0.7     0.9     1.6
  XPE              2,578     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA                9     0.0     0.0     0.1     0.3     0.3     0.3
  PE CA               13     0.0     0.1     0.2     0.6     1.2     1.2
  PE XC                0     0.0     0.0     0.0     0.0     0.0     0.0
  PE SU               47     0.0     0.1     0.4     1.3     2.0     7.0
  PE XS                6     0.0     0.1     0.3     0.9     0.9     0.9
  PE SE                3     0.0     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             0     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISSN            541     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              3     0.0     0.0     0.1     0.1     0.1     0.1
  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            10     0.0     0.0     0.0     0.6     1.1     1.1
  Multi            2,632     0.2     0.5     1.3     3.0     5.9    24.8


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                   8     0.3     0.4     1.6    22.0    22.0    22.0
  CA                   0     0.0     0.0     0.0     0.0     0.0     0.0
  SU                 144     0.4     1.3     3.9     9.3    11.6    27.8
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                  15     0.3     0.7     7.6    11.0    24.8    24.8
  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                  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)