MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 04/01/02 through 04/30/02


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    535,118 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      377,014    0.0     0.1     0.2     0.5     1.0     3.7
  (10am-6pm)

  Non-Prime Time  158,104    0.0     0.1     0.2     0.5     0.8     3.2
  (6pm-10am)


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

    12-2am         7,771     0.0     0.1     0.2     0.4     0.7     2.6
    2-4am          7,913     0.0     0.1     0.2     0.6     0.8     3.2
    4-6am          4,608     0.0     0.1     0.2     0.4     0.7     2.7
    6-8am         14,517     0.0     0.1     0.2     0.4     0.8     2.9
    8-10am        68,254     0.0     0.1     0.2     0.5     0.9     3.7
    10-12am      107,950     0.0     0.1     0.2     0.6     1.1     4.1
    12-2pm        94,779     0.0     0.1     0.2     0.5     0.9     3.7
    2-4pm        103,058     0.0     0.1     0.2     0.5     0.9     3.3
    4-6pm         71,227     0.0     0.1     0.2     0.5     0.9     3.5
    6-8pm         24,669     0.0     0.1     0.2     0.4     0.7     2.4
    8-10pm        15,681     0.0     0.1     0.2     0.5     0.9     3.4
    10-12pm       14,691     0.0     0.1     0.2     0.4     0.7     2.6

* 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           198,555     0.0     0.1     0.3     0.9     1.7     8.0
  DISPLAY        301,149     0.1     0.1     0.2     0.4     0.6     1.2
  BROWSE             770     0.3     1.1     3.5     7.8    10.6    25.6
  SELECT             198     0.0     0.0     0.0     0.0     0.0     0.3
  HELP             5,634     0.0     0.0     0.0     0.0     0.0    25.0
  EXPLAIN          5,063     0.0     0.0     0.0     0.0     0.0     0.0
  SET             23,395     0.0     0.0     0.0     0.0     1.5     4.6
  SHOW             1,294     0.0     0.0     0.0     0.0     0.0     0.1
  LOGON           46,362     3.2     6.9    13.0    24.3    43.5   511.0
  LOGOFF           2,374     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              17,385     0.0     0.1     0.1     0.3     0.4     1.2
  CA               1,275     0.0     0.1     0.3     0.6     1.1     3.5
  AU               4,273     0.0     0.1     0.1     0.3     0.6     1.4
  TW              24,450     0.1     0.2     0.7     1.5     2.5    14.1
  SU               5,692     0.0     0.1     0.4     1.1     2.0     4.7
  XCA                 38     0.0     0.1     0.1     0.2     0.5     1.3
  XT              19,666     0.0     0.0     0.1     0.1     0.1     0.2
  XS                 394     0.0     0.1     0.2     0.7     1.1     3.3
  TI->XT           3,257     0.0     0.0     0.1     0.1     0.1     0.2
  TI->TW           3,139     0.1     0.2     0.5     1.1     1.7     4.8
  Catalog Other    7,484     0.0     0.1     0.3     1.1     1.9     3.8
  TEN PA           2,346     0.3     0.8     4.7    17.0    31.4    57.4
  TEN CA             597     0.2     0.2     0.3     0.4     0.6     2.7
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW             140     0.2     0.3     0.3     0.4     0.6     1.4
  TEN SU             762     0.3     0.5     0.6     0.8     1.1     3.6
  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          803     0.1     0.2     0.4     1.1     3.1    28.8
  COMMENT            884     0.2     0.4     0.6     1.5     2.7    13.7
  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               4     0.3     0.5     4.1     7.7     7.7     7.7
  MED SW               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED SU              27     0.2     0.2     0.5     0.6     0.6     1.1
  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            121     0.2     0.2     0.3     0.5     0.6     2.0
  MED XT               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED TN               2     1.0     4.8     8.5     8.5     8.5     8.5
  MED XJ               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED MTN            187     0.5     1.5     3.6     8.2    15.7    60.8
  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              32,806     0.0     0.1     0.4     0.7     0.9     1.6
  XPE             10,940     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA               31     0.0     0.0     0.0     0.1     0.2     0.3
  PE CA               70     0.1     0.2     0.3     0.6     1.0     1.2
  PE XC                5     0.1     0.1     0.1     0.2     0.2     0.2
  PE SU              162     0.0     0.2     0.5     1.5     1.9     7.0
  PE XS               16     0.1     0.5     0.9     1.0     1.3     1.3
  PE SE               17     0.0     0.1     0.1     0.1     0.3     0.3
  PE XSE               0     0.0     0.0     0.0     0.0     0.0     0.0
  PE CODEN             6     0.0     0.0     0.0     0.1     0.1     0.1
  PE ISSN          2,568     0.0     0.0     0.0     0.0     0.0     0.1
  PE LCCN              3     0.0     0.1     0.1     0.1     0.1     0.1
  PE ISBN              5     0.0     0.0     0.0     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               11     0.0     0.0     0.1     0.1     0.2     0.2
  PE Other            24     0.0     0.0     0.1     0.1     0.1     1.1
  Multi           10,783     0.2     0.5     1.3     3.1     6.4    21.5


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                  31     0.3     0.5     1.7     3.3    22.0    29.9
  CA                   3     1.2     5.3    11.2    11.2    11.2    11.2
  SU                 562     0.4     1.5     4.0     8.1    11.2    27.8
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                 118     0.4     0.8     2.5     7.9    10.1    24.8
  Other                3     0.3     1.4     1.7     1.7     1.7     1.7
  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)