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


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of  1,144,371 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    4.4 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time      783,143    0.0     0.1     0.3     0.7     1.3     4.5
  (10am-6pm)

  Non-Prime Time  361,228    0.0     0.1     0.2     0.6     1.1     4.2
  (6pm-10am)


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

    12-2am        17,252     0.0     0.1     0.2     0.5     1.0     3.7
    2-4am         10,454     0.0     0.1     0.2     0.5     1.0     3.7
    4-6am         17,400     0.0     0.1     0.2     0.5     0.8     3.1
    6-8am         28,163     0.0     0.1     0.2     0.8     1.3     6.5
    8-10am       129,843     0.0     0.1     0.2     0.7     1.2     4.6
    10-12am      196,903     0.0     0.1     0.3     0.7     1.3     4.5
    12-2pm       197,575     0.0     0.1     0.3     0.7     1.3     4.5
    2-4pm        223,894     0.0     0.1     0.3     0.7     1.4     4.6
    4-6pm        164,771     0.0     0.1     0.2     0.6     1.2     4.4
    6-8pm         72,662     0.0     0.1     0.2     0.6     1.1     3.9
    8-10pm        49,542     0.0     0.1     0.2     0.5     1.0     3.7
    10-12pm       35,912     0.0     0.1     0.2     0.5     1.0     3.0

* 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           413,551     0.1     0.2     0.5     1.3     2.4     8.0
  DISPLAY        638,166     0.1     0.1     0.3     0.5     0.8     1.7
  BROWSE           2,602     0.0     0.0     0.9     4.7    10.3    26.8
  SELECT             327     0.0     0.0     0.0     0.1     0.1     1.3
  HELP            13,151     0.0     0.0     0.0     0.0     5.5    36.4
  EXPLAIN         12,393     0.0     0.0     0.0     0.0     0.0     0.0
  SET             63,195     0.0     0.0     0.0     0.6     1.0     4.4
  SHOW             3,872     0.0     0.0     0.0     0.0     0.0     0.0
  LOGON           87,747     2.3     5.4    11.5    21.8    35.0   179.4
  LOGOFF           6,491     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              23,436     0.1     0.1     0.2     0.5     0.8     2.6
  CA               1,877     0.1     0.2     0.6     1.5     2.5     6.8
  AU               6,835     0.1     0.1     0.3     0.6     1.2     3.3
  TW              41,515     0.1     0.4     1.0     2.2     3.5    14.5
  SU               9,992     0.1     0.2     0.7     1.9     3.0     6.2
  XCA                 21     0.1     0.2     0.5     1.2     2.1     3.0
  XT              19,572     0.0     0.1     0.1     0.2     0.2     0.4
  XS                 550     0.1     0.1     0.4     1.3     2.1     3.9
  TI->XT           4,317     0.1     0.1     0.1     0.2     0.2     0.3
  TI->TW           3,851     0.1     0.4     0.9     2.0     3.2     7.4
  Catalog Other    8,301     0.0     0.2     0.7     2.2     3.5     8.8
  TEN PA           2,611     0.2     0.4     0.9     3.0     8.4    29.8
  TEN CA              19     0.2     0.3     0.4     0.7     0.7     0.7
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW             171     0.2     0.3     0.3     0.7     1.7     4.1
  TEN SU           3,561     0.2     0.3     0.4     0.7     1.1     4.4
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN XT               4     0.5     0.6     0.7     0.7     0.7     0.7
  TEN XS              49     0.2     0.2     0.3     0.4     1.4    10.3
  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        2,873     0.2     0.3     0.8     2.0     3.6    10.6
  COMMENT          1,400     0.2     0.3     0.6     1.9     3.6    11.7
  MJO              2,558     0.0     0.1     0.2     0.8     1.8     4.3
  MED PA          17,850     0.0     0.1     0.1     0.2     0.4     1.2
  MED TW           8,169     0.0     0.1     0.3     0.7     1.1     2.5
  MED SW              73     0.0     0.2     0.6     1.4     2.2     3.0
  MED SU           1,721     0.0     0.1     0.6     1.9     3.0     6.2
  MED MSU            180     0.1     0.4     1.1     2.4     3.2     9.5
  MED XS             752     0.0     0.1     0.6     1.0     1.7     5.3
  MED MXS          2,300     0.2     0.2     0.3     0.5     0.8     4.8
  MED XT             361     0.0     0.1     0.1     0.1     0.2     1.0
  MED TN              51     0.3     0.5     0.7     1.6     1.8     4.8
  MED XJ           2,105     0.1     0.3     0.6     1.1     1.7     5.6
  MED MTN             62     0.4     1.0     2.4     7.6    27.1   115.2
  MED KW          24,514     0.1     0.2     0.9     2.5     4.0     8.4
  MED DATE         1,738     0.0     0.2     0.6     1.2     1.5     3.1
  MED LANG         1,000     0.0     0.0     0.2     0.6     0.8     1.3
  MED XXS            194     0.1     0.7     1.9     4.4     6.9    20.6
  MED XMXS            89     0.1     0.7     1.4     4.6    13.5    52.8
  MED Other          239     0.0     0.1     0.3     0.5     0.6     1.7
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE              51,580     0.0     0.1     0.3     0.6     0.9     1.6
  XPE             15,038     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA              129     0.0     0.0     0.1     0.1     0.1     0.3
  PE CA              171     0.0     0.1     0.2     0.4     0.5     0.8
  PE XC               11     0.1     0.1     0.1     0.1     0.1     0.1
  PE SU              309     0.0     0.1     0.3     0.8     1.2     1.9
  PE XS               52     0.0     0.1     0.2     0.6     0.7     1.6
  PE SE               42     0.1     0.1     0.1     0.2     0.4     0.5
  PE XSE               2     0.0     0.1     0.1     0.1     0.1     0.1
  PE CODEN             8     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISSN          2,524     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             13     0.0     0.0     0.0     0.0     0.0     0.0
  PE RN                1     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     0.0     0.0     0.1     0.1
  PE Other         1,382     0.3     0.5     1.0     2.8     6.0    12.1
  Multi           32,245     0.2     0.6     1.3     3.2     5.7    20.5


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                 115     0.2     0.4     1.7     4.8     8.1    20.6
  CA                   6     0.2     0.3     0.5     4.7     4.7     4.7
  SU                 846     0.7     1.9     5.4    13.4    19.7    50.3
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                  29     1.3     4.3    11.8    17.1    17.4    49.8
  Other                2     0.3     1.1     2.0     2.0     2.0     2.0
  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                372     0.0     0.0     0.0     0.1     0.1     0.2
  MED PA              63     0.0     0.0     0.0     0.1     0.1     0.1
  MED SU             980     0.0     0.0     0.0     0.1     0.1     2.5
  MED XS              76     0.0     0.0     0.0     0.1     0.1     0.2
  MED TN               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XJ              40     0.0     0.0     0.0     0.1     0.1     0.2
  Multi                0     0.0     0.0     0.0     0.0     0.0     0.0
RTmm/dd  rt       MELVYL SYSTEM TELNET RESPONSE TIME (weekly)