MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 02/17/01 through 02/23/01


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    265,332 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    0.7 seconds.
     95% completed in less than    1.4 seconds.
     99% completed in less than    6.0 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time      183,971    0.0     0.1     0.3     0.8     1.6     7.2
  (10am-6pm)

  Non-Prime Time   81,361    0.0     0.1     0.2     0.6     1.0     3.8
  (6pm-10am)


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

    12-2am         4,039     0.0     0.1     0.2     0.4     0.9     3.2
    2-4am          2,535     0.0     0.1     0.2     0.6     1.2     4.7
    4-6am          3,131     0.0     0.1     0.3     0.6     0.9     2.9
    6-8am          6,344     0.0     0.1     0.2     0.5     1.0     4.1
    8-10am        28,972     0.0     0.1     0.2     0.6     1.1     3.9
    10-12am       51,120     0.0     0.1     0.3     0.8     1.5     5.6
    12-2pm        49,560     0.0     0.1     0.3     1.1     2.3    14.5
    2-4pm         48,539     0.0     0.1     0.3     0.7     1.4     5.1
    4-6pm         34,752     0.0     0.1     0.2     0.7     1.2     4.4
    6-8pm         17,793     0.0     0.1     0.2     0.6     1.1     3.9
    8-10pm        12,112     0.0     0.1     0.2     0.5     1.0     3.5
    10-12pm        6,435     0.0     0.1     0.2     0.4     0.8     3.1

* 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            96,634     0.1     0.2     0.5     1.4     2.7    11.0
  DISPLAY        146,207     0.1     0.1     0.3     0.6     1.0     2.8
  BROWSE             383     0.0     0.1     1.7     7.4    11.6    31.3
  SELECT              23     0.0     0.1     0.1     0.2     0.6     5.5
  HELP             3,291     0.0     0.0     0.0     0.0     0.0    28.4
  EXPLAIN          3,143     0.0     0.0     0.0     0.0     0.0     0.0
  SET             15,114     0.0     0.0     0.0     0.4     0.9     4.1
  SHOW               936     0.0     0.0     0.0     0.0     0.0     0.0
  LOGON           19,390     2.3     5.4    11.7    22.3    35.9   190.4
  LOGOFF           1,666     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               5,510     0.1     0.2     0.3     0.7     1.3     7.2
  CA                 368     0.1     0.3     0.8     1.9     3.5    17.2
  AU               1,646     0.1     0.2     0.4     1.0     2.4     8.5
  TW               8,087     0.1     0.4     1.2     2.8     5.0    24.6
  SU               2,474     0.1     0.2     0.7     2.3     4.0    14.3
  XCA                  5     0.1     0.1     0.3     0.4     0.4     0.4
  XT               4,860     0.0     0.1     0.1     0.1     0.2     2.7
  XS                  96     0.0     0.1     0.4     0.8     2.8    24.2
  TI->XT             859     0.0     0.1     0.1     0.1     0.2     1.6
  TI->TW             760     0.1     0.4     1.1     2.3     4.0    18.9
  Catalog Other    1,692     0.0     0.2     0.8     2.5     4.6    12.5
  TEN PA             716     0.2     0.3     0.8     2.5     8.3    31.0
  TEN CA               1     0.8     0.8     0.8     0.8     0.8     0.8
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW               6     0.2     0.2     0.3     0.3     0.3     0.3
  TEN SU             805     0.2     0.3     0.5     0.8     1.3     4.0
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN XT               1     0.4     0.4     0.4     0.4     0.4     0.4
  TEN XS               5     0.1     0.2     0.2     2.5     2.5     2.5
  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          782     0.2     0.3     0.5     1.4     2.5     8.8
  COMMENT            342     0.1     0.3     0.5     1.0     2.0     9.2
  MJO                647     0.0     0.1     0.3     1.0     2.1     5.1
  MED PA           4,489     0.0     0.1     0.1     0.2     0.3     1.1
  MED TW           1,839     0.1     0.1     0.3     0.8     1.4     5.1
  MED SW              26     0.1     0.4     2.4    14.6    25.8    36.8
  MED SU             346     0.0     0.1     0.6     2.0     3.3    11.8
  MED MSU             17     0.5     1.1     2.3     2.5     6.2     6.2
  MED XS             238     0.0     0.1     0.5     1.0     3.1     6.6
  MED MXS            528     0.2     0.2     0.3     0.6     1.1     5.2
  MED XT             168     0.0     0.1     0.1     0.1     0.2     0.5
  MED TN               6     0.4     0.5     0.5     0.7     0.7     0.7
  MED XJ             495     0.1     0.3     0.6     1.0     1.5     9.1
  MED MTN             12     0.9     1.5     5.3     9.7    14.4    14.4
  MED KW           6,639     0.0     0.2     0.7     1.9     3.3     8.3
  MED DATE           352     0.0     0.1     0.4     0.8     1.7     3.6
  MED LANG           239     0.0     0.0     0.0     0.5     0.7     0.9
  MED XXS             33     0.7     1.2     9.3    12.1    13.6    16.3
  MED XMXS            11     0.1     0.4     1.0     1.2     1.6     1.6
  MED Other           25     0.2     0.3     0.5     0.6     1.3     9.8
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE              11,743     0.0     0.1     0.3     0.7     1.1     3.3
  XPE              3,540     0.0     0.0     0.0     0.1     0.1     0.4
  PE PA               36     0.0     0.0     0.1     0.1     0.3     2.3
  PE CA               14     0.1     0.1     0.3     0.7     2.2     2.2
  PE XC                0     0.0     0.0     0.0     0.0     0.0     0.0
  PE SU               64     0.0     0.1     0.3     0.7     1.0     2.3
  PE XS                1     0.0     0.0     0.0     0.0     0.0     0.0
  PE SE                5     0.1     0.1     0.1     0.1     0.1     0.1
  PE XSE               1     0.3     0.3     0.3     0.3     0.3     0.3
  PE CODEN             0     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISSN            655     0.0     0.0     0.0     0.0     0.1     0.4
  PE LCCN              6     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISBN              0     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           333     0.3     0.5     0.9     2.1     4.5     9.3
  Multi            8,220     0.2     0.6     1.5     4.0     7.4    29.6


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                  45     0.3     0.8     2.0     5.5    10.5    15.6
  CA                   1     0.2     0.2     0.2     0.2     0.2     0.2
  SU                 107     1.1     2.4     7.9    18.5    25.0    59.3
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                  18     0.6     1.8     5.7    11.6    22.2    22.2
  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                 48     0.0     0.0     0.0     0.1     0.1     0.2
  MED PA               7     0.0     0.0     0.1     0.1     0.1     0.1
  MED SU             129     0.0     0.0     0.0     0.1     0.1     2.7
  MED XS               8     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               2     0.0     0.1     0.1     0.1     0.1     0.1
  Multi                0     0.0     0.0     0.0     0.0     0.0     0.0
RTmm/dd  rt       MELVYL SYSTEM TELNET RESPONSE TIME (weekly)