MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 04/28/01 through 05/04/01


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    268,080 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    1.2 seconds.
     99% completed in less than    4.2 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time      182,793    0.0     0.1     0.3     0.7     1.3     4.3
  (10am-6pm)

  Non-Prime Time   85,287    0.0     0.1     0.2     0.6     1.1     4.0
  (6pm-10am)


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

    12-2am         3,446     0.0     0.1     0.2     0.5     0.9     3.1
    2-4am          2,965     0.0     0.1     0.2     0.6     0.9     4.2
    4-6am          3,057     0.0     0.1     0.2     0.6     0.9     4.8
    6-8am          7,538     0.0     0.1     0.2     0.7     1.1     5.0
    8-10am        30,202     0.0     0.1     0.2     0.7     1.1     4.3
    10-12am       46,890     0.0     0.1     0.3     0.8     1.4     4.7
    12-2pm        45,227     0.0     0.1     0.2     0.7     1.3     4.2
    2-4pm         51,392     0.0     0.1     0.3     0.7     1.3     4.1
    4-6pm         39,284     0.0     0.1     0.2     0.7     1.2     4.2
    6-8pm         16,653     0.0     0.1     0.2     0.6     1.0     3.6
    8-10pm        13,766     0.0     0.1     0.2     0.6     1.1     4.0
    10-12pm        7,660     0.0     0.1     0.2     0.6     1.0     3.3

* 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            96,754     0.1     0.2     0.5     1.3     2.4     7.5
  DISPLAY        149,408     0.1     0.1     0.3     0.5     0.8     1.7
  BROWSE             449     0.0     0.1     1.1     5.6    10.2    22.6
  SELECT              41     0.0     0.0     0.1     0.2     1.3    13.0
  HELP             3,019     0.0     0.0     0.0     0.0     0.3    35.1
  EXPLAIN          2,804     0.0     0.0     0.0     0.0     0.0     0.0
  SET             15,305     0.0     0.0     0.0     0.7     1.0     4.5
  SHOW               783     0.0     0.0     0.0     0.0     0.0     0.0
  LOGON           20,882     2.3     5.4    11.1    21.3    34.0   202.6
  LOGOFF           1,588     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               5,306     0.1     0.1     0.2     0.5     0.8     2.4
  CA                 400     0.1     0.2     0.5     1.2     2.4     5.6
  AU               1,615     0.1     0.1     0.2     0.6     1.4     4.4
  TW               8,897     0.1     0.4     1.0     2.4     3.6    16.4
  SU               2,164     0.1     0.2     0.7     1.7     3.0     6.0
  XCA                  7     0.1     0.2     0.8     1.0     1.0     1.0
  XT               4,806     0.0     0.1     0.1     0.2     0.2     0.4
  XS                 111     0.1     0.1     0.4     1.3     2.4     2.9
  TI->XT           1,059     0.1     0.1     0.1     0.2     0.2     0.3
  TI->TW             990     0.1     0.3     0.9     2.3     3.5     9.3
  Catalog Other    2,108     0.0     0.2     0.8     2.3     3.5     7.4
  TEN PA             742     0.2     0.3     0.7     2.2     7.4    26.1
  TEN CA               1     0.2     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     0.3     0.3     2.1
  TEN SU             789     0.3     0.3     0.4     0.6     0.9     3.7
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN XT               1     0.2     0.2     0.2     0.2     0.2     0.2
  TEN XS              14     0.2     0.2     0.3     0.4     0.8     0.8
  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          594     0.2     0.3     0.6     1.8     3.1    11.4
  COMMENT            488     0.1     0.2     0.5     1.6     3.4    12.0
  MJO                505     0.0     0.1     0.2     0.8     2.1     5.3
  MED PA           4,333     0.0     0.1     0.1     0.2     0.3     1.1
  MED TW           1,702     0.1     0.1     0.4     0.8     1.2     2.6
  MED SW              17     0.0     0.1     0.2     3.5     3.7     3.7
  MED SU             413     0.0     0.1     0.6     1.8     2.8     6.7
  MED MSU             34     0.1     0.3     0.6     1.1     2.5     4.2
  MED XS             141     0.0     0.1     0.6     1.0     1.4     2.9
  MED MXS            694     0.2     0.3     0.3     0.5     0.8     4.1
  MED XT              61     0.1     0.1     0.1     0.1     0.1     7.5
  MED TN              12     0.3     0.5     0.6     0.6     0.7     0.7
  MED XJ             422     0.1     0.4     0.7     1.2     2.3     6.0
  MED MTN             17     0.6     1.9     4.2     5.9    66.8    66.8
  MED KW           5,425     0.1     0.2     1.0     2.6     3.9     7.5
  MED DATE           317     0.0     0.1     0.4     0.8     1.0     1.7
  MED LANG           182     0.0     0.0     0.2     0.6     0.8     1.0
  MED XXS             35     0.4     1.3     2.7     6.7     7.7    27.9
  MED XMXS            13     0.4     1.6     3.9    52.1    52.8    52.8
  MED Other           29     0.0     0.2     0.5     0.6     0.8     1.0
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE              11,723     0.0     0.1     0.3     0.6     0.9     1.5
  XPE              3,242     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA               22     0.0     0.0     0.1     0.1     0.2     0.2
  PE CA               15     0.1     0.3     0.4     0.7     0.7     0.7
  PE XC                2     0.1     0.1     0.1     0.1     0.1     0.1
  PE SU               54     0.0     0.1     0.5     1.0     2.2     6.0
  PE XS                2     0.5     0.6     0.6     0.6     0.6     0.6
  PE SE               13     0.1     0.1     0.1     0.2     0.4     0.4
  PE XSE               1     0.1     0.1     0.1     0.1     0.1     0.1
  PE CODEN             2     0.0     0.1     0.1     0.1     0.1     0.1
  PE ISSN            622     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     0.0     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           310     0.3     0.5     1.0     3.2     6.3    13.0
  Multi            7,422     0.2     0.6     1.3     3.3     5.4    19.1


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                   9     0.4     0.7     2.0     8.4     8.4     8.4
  CA                   2     0.0     0.1     0.2     0.2     0.2     0.2
  SU                 151     0.7     1.8     5.7    13.5    18.1    53.5
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                   6     0.7     4.6     6.3    10.2    10.2    10.2
  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                 54     0.0     0.0     0.1     0.1     0.2     0.8
  MED PA              11     0.0     0.0     0.0     0.0     0.1     0.1
  MED SU             163     0.0     0.0     0.0     0.0     0.1     1.3
  MED XS              14     0.0     0.0     0.0     0.1     0.2     0.2
  MED TN               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XJ               4     0.0     0.0     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)