MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 05/26/01 through 06/01/01


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    197,229 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    4.3 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time      128,371    0.0     0.1     0.3     0.7     1.3     4.4
  (10am-6pm)

  Non-Prime Time   68,858    0.0     0.1     0.2     0.7     1.2     4.1
  (6pm-10am)


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

    12-2am         3,501     0.0     0.1     0.2     0.5     1.0     4.5
    2-4am          2,823     0.0     0.1     0.2     0.5     0.9     3.4
    4-6am          2,638     0.0     0.1     0.3     0.6     0.9     4.5
    6-8am          8,313     0.0     0.1     0.3     1.0     1.7     3.9
    8-10am        24,814     0.0     0.1     0.2     0.7     1.4     4.5
    10-12am       38,047     0.0     0.1     0.3     0.7     1.4     4.9
    12-2pm        33,585     0.0     0.1     0.2     0.7     1.4     4.2
    2-4pm         33,112     0.0     0.1     0.3     0.7     1.4     4.8
    4-6pm         23,627     0.0     0.1     0.2     0.6     1.1     3.8
    6-8pm         11,431     0.0     0.1     0.2     0.5     1.0     3.3
    8-10pm         8,572     0.0     0.1     0.2     0.6     1.2     3.9
    10-12pm        6,766     0.0     0.1     0.2     0.6     1.1     3.6

* 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            73,115     0.1     0.2     0.5     1.4     2.5     7.8
  DISPLAY        108,670     0.1     0.1     0.3     0.5     0.8     1.7
  BROWSE             254     0.0     0.1     1.0     4.4    17.0    47.5
  SELECT              38     0.0     0.0     0.1     0.1     0.4     1.3
  HELP             1,565     0.0     0.0     0.0     0.0     0.0    40.9
  EXPLAIN          1,734     0.0     0.0     0.0     0.0     0.0     0.0
  SET             11,479     0.0     0.0     0.0     0.6     0.9     4.4
  SHOW               661     0.0     0.0     0.0     0.0     0.0     0.0
  LOGON           15,259     2.3     5.5    11.3    21.0    32.9   146.1
  LOGOFF           1,284     0.0     0.0     0.0     0.0     0.0     0.1
  FINDs, by index, in seconds

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA               4,608     0.1     0.1     0.2     0.5     0.8     2.4
  CA                 351     0.1     0.2     0.6     1.2     2.0     5.6
  AU               1,276     0.1     0.1     0.3     0.6     1.0     2.8
  TW               5,814     0.1     0.4     1.1     2.4     3.6     9.7
  SU               1,416     0.1     0.2     0.9     2.5     3.7     6.7
  XCA                 19     0.1     0.1     0.2     0.4     1.9     1.9
  XT               4,213     0.0     0.1     0.1     0.2     0.2     0.4
  XS                  71     0.1     0.1     0.6     1.9     2.8     5.5
  TI->XT             547     0.1     0.1     0.1     0.2     0.2     0.4
  TI->TW             559     0.1     0.3     0.9     1.8     2.6     5.6
  Catalog Other    1,458     0.0     0.2     0.9     2.5     4.0     8.5
  TEN PA             617     0.3     0.4     0.9     2.7     7.1    23.3
  TEN CA               3     0.1     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              88     0.1     0.1     0.2     0.4     1.0     2.7
  TEN SU             662     0.2     0.3     0.4     0.6     1.4     3.7
  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              12     0.2     0.2     0.3     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          296     0.2     0.3     0.6     1.9     3.6    49.0
  COMMENT            305     0.1     0.3     0.4     1.2     2.5     8.2
  MJO                585     0.0     0.1     0.3     1.3     1.9     3.7
  MED PA           3,998     0.0     0.1     0.1     0.2     0.4     1.0
  MED TW           1,379     0.1     0.1     0.4     1.0     1.4     3.7
  MED SW              11     0.1     0.5     4.4     4.4     4.5     4.5
  MED SU             215     0.0     0.1     0.6     1.5     2.2     5.6
  MED MSU             27     0.0     0.1     0.2     1.0     1.2     3.7
  MED XS              61     0.0     0.1     0.7     1.1     1.7     6.5
  MED MXS            469     0.2     0.2     0.3     0.5     0.8     5.2
  MED XT              59     0.0     0.1     0.1     0.1     0.2     0.5
  MED TN               5     0.2     0.5     0.9     1.2     1.2     1.2
  MED XJ             333     0.1     0.3     0.6     1.0     1.4     2.9
  MED MTN             17     1.4     2.3     7.1    13.1    22.7    22.7
  MED KW           4,771     0.1     0.2     1.0     2.7     4.2     9.6
  MED DATE           351     0.0     0.1     0.3     0.9     1.0     1.8
  MED LANG           191     0.0     0.0     0.1     0.6     0.9     1.8
  MED XXS             69     0.0     0.6     1.3     4.2     5.2    30.6
  MED XMXS             9     1.5     4.0     5.4     7.0     7.0     7.0
  MED Other            5     0.0     0.0     0.4     0.5     0.5     0.5
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE               7,937     0.0     0.1     0.3     0.6     0.9     1.6
  XPE              2,518     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA                8     0.0     0.0     0.0     0.1     0.1     0.1
  PE CA               13     0.1     0.1     0.2     0.3     0.3     0.3
  PE XC                0     0.0     0.0     0.0     0.0     0.0     0.0
  PE SU               27     0.0     0.1     0.4     1.0     2.0     3.2
  PE XS                1     0.0     0.0     0.0     0.0     0.0     0.0
  PE SE                4     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             4     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISSN            449     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              2     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     0.0     0.0     0.0     0.0     0.0     0.0
  PE Other           364     0.3     0.4     0.7     1.5     2.5    13.3
  Multi            6,490     0.2     0.7     1.7     3.1     5.3    23.2


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                  20     0.2     0.4     1.0     4.1     8.9    13.3
  CA                   0     0.0     0.0     0.0     0.0     0.0     0.0
  SU                  67     0.7     2.3    13.3    23.9    42.4    49.3
  XCA                  1     1.0     1.0     1.0     1.0     1.0     1.0
  XS                   3     0.4     1.0    47.5    47.5    47.5    47.5
  Other                2     0.4     1.1     1.8     1.8     1.8     1.8
  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                 13     0.0     0.0     0.1     0.1     0.2     0.2
  MED PA               8     0.0     0.0     0.0     0.1     0.1     0.1
  MED SU              95     0.0     0.0     0.0     0.1     0.1     0.2
  MED XS               5     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              14     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)