MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 05/01/01 through 05/31/01


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of  1,242,522 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    0.6 seconds.
     95% completed in less than    1.1 seconds.
     99% completed in less than    4.0 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time      804,986    0.0     0.1     0.2     0.7     1.3     4.3
  (10am-6pm)

  Non-Prime Time  437,536    0.0     0.1     0.2     0.5     0.9     3.4
  (6pm-10am)


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

    12-2am        16,646     0.0     0.1     0.2     0.5     0.9     3.4
    2-4am         13,340     0.0     0.1     0.2     0.6     1.0     5.0
    4-6am         12,525     0.0     0.1     0.3     0.6     1.0     4.9
    6-8am         34,580     0.0     0.1     0.2     0.7     1.1     4.1
    8-10am       128,816     0.0     0.1     0.2     0.7     1.2     4.2
    10-12am      201,395     0.0     0.1     0.3     0.7     1.4     4.8
    12-2pm       184,935     0.0     0.1     0.3     0.7     1.3     4.3
    2-4pm        216,202     0.0     0.1     0.3     0.7     1.3     4.5
    4-6pm        202,454     0.0     0.1     0.2     0.5     1.0     3.5
    6-8pm         94,818     0.0     0.0     0.1     0.4     0.8     2.8
    8-10pm        73,234     0.0     0.0     0.1     0.4     0.8     3.0
    10-12pm       63,577     0.0     0.0     0.1     0.3     0.7     2.3

* 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           406,945     0.1     0.2     0.5     1.3     2.4     7.8
  DISPLAY        746,410     0.1     0.1     0.3     0.5     0.8     1.7
  BROWSE           2,614     0.0     0.0     0.5     4.1    10.5    25.6
  SELECT             235     0.0     0.0     0.1     0.1     0.2     0.7
  HELP            10,082     0.0     0.0     0.0     0.0     0.1    35.8
  EXPLAIN         10,394     0.0     0.0     0.0     0.0     0.0     0.0
  SET             65,386     0.0     0.0     0.0     0.7     1.0     4.5
  SHOW             3,277     0.0     0.0     0.0     0.0     0.0     0.0
  LOGON           87,059     2.3     5.4    11.3    21.2    33.4   177.8
  LOGOFF           6,596     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              24,474     0.1     0.1     0.2     0.5     0.8     2.5
  CA               1,876     0.1     0.2     0.6     1.3     2.4     5.7
  AU               7,179     0.1     0.1     0.3     0.6     1.1     3.2
  TW              36,737     0.1     0.4     1.1     2.4     3.7    13.1
  SU               8,731     0.1     0.2     0.7     2.0     3.2     6.5
  XCA                 62     0.1     0.2     0.3     0.9     1.2     3.3
  XT              23,340     0.0     0.1     0.1     0.2     0.2     0.4
  XS                 529     0.1     0.1     0.5     1.3     1.9     3.7
  TI->XT           4,066     0.0     0.1     0.1     0.2     0.2     0.3
  TI->TW           3,979     0.1     0.3     0.8     2.0     2.9     6.5
  Catalog Other    8,606     0.0     0.2     0.7     2.2     3.5     7.8
  TEN PA           3,504     0.2     0.4     0.8     2.4     6.0    28.9
  TEN CA              13     0.1     0.2     0.2     0.4     1.7     1.7
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW             258     0.1     0.1     0.2     0.4     1.0     2.4
  TEN SU           3,898     0.2     0.3     0.4     0.7     1.1     3.7
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN XT               5     0.7     1.2    12.3    18.7    18.7    18.7
  TEN XS              73     0.2     0.2     0.4     0.6     1.1     2.2
  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        2,484     0.2     0.3     0.6     1.9     3.6    17.0
  COMMENT          1,782     0.2     0.3     0.5     1.6     3.1     9.2
  MJO              2,463     0.0     0.1     0.3     1.0     1.8     4.5
  MED PA          20,318     0.0     0.1     0.1     0.2     0.4     1.2
  MED TW           7,147     0.1     0.1     0.4     0.8     1.2     2.7
  MED SW              63     0.1     0.2     0.9     3.7     4.5    21.9
  MED SU           1,524     0.0     0.1     0.6     1.5     2.6     6.4
  MED MSU            132     0.1     0.1     0.4     1.7     2.6     7.7
  MED XS             461     0.0     0.1     0.7     1.1     1.6     4.6
  MED MXS          2,550     0.2     0.2     0.3     0.5     0.7     4.1
  MED XT             278     0.1     0.1     0.1     0.1     0.2     0.5
  MED TN              66     0.3     0.4     0.5     1.0     1.2     2.0
  MED XJ           1,972     0.1     0.3     0.5     1.1     1.7     5.9
  MED MTN             90     0.8     1.7     4.2    10.7    22.7    66.8
  MED KW          24,432     0.1     0.3     1.1     2.8     4.4     9.5
  MED DATE         1,797     0.0     0.1     0.4     0.9     1.2     2.1
  MED LANG           871     0.0     0.0     0.2     0.7     0.8     1.3
  MED XXS            242     0.2     0.9     2.1     5.9     8.2    15.5
  MED XMXS            30     0.2     1.5     4.0     5.8     7.0    52.4
  MED Other           66     0.0     0.3     0.5     0.6     0.6     0.8
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE              48,981     0.0     0.1     0.3     0.6     0.9     1.6
  XPE             14,978     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA              122     0.0     0.0     0.1     0.1     0.2     0.3
  PE CA               95     0.1     0.1     0.2     0.4     0.7     0.9
  PE XC                6     0.1     0.1     0.1     0.1     0.1     0.1
  PE SU              167     0.0     0.1     0.5     1.4     2.2     6.2
  PE XS               17     0.1     0.1     0.1     0.5     0.6     0.6
  PE SE               35     0.0     0.1     0.1     0.1     0.2     0.3
  PE XSE               1     0.2     0.2     0.2     0.2     0.2     0.2
  PE CODEN             7     0.0     0.0     0.0     0.1     0.1     0.1
  PE ISSN          2,976     0.0     0.0     0.0     0.0     0.0     0.1
  PE LCCN              1     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISBN              8     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                7     0.0     0.0     0.0     0.0     0.0     0.0
  PE Other         1,733     0.3     0.5     0.9     2.8     6.7    16.9
  Multi           31,522     0.2     0.5     1.3     3.0     5.2    17.1


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                 105     0.2     0.4     1.4     6.1     9.5    18.3
  CA                   5     1.7     2.6     5.6     6.0     6.0     6.0
  SU                 603     0.8     2.2     6.9    16.7    21.8    51.9
  XCA                  1     1.0     1.0     1.0     1.0     1.0     1.0
  XS                  65     0.6     1.8     5.9    18.1    25.0    47.5
  Other                4     0.7     1.1     1.6     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                267     0.0     0.0     0.1     0.1     0.1     0.3
  MED PA              42     0.0     0.0     0.0     0.0     0.1     0.3
  MED SU             572     0.0     0.0     0.0     0.1     0.1     0.2
  MED XS              43     0.0     0.0     0.0     0.1     0.1     0.2
  MED TN               3     0.0     0.1     0.1     0.1     0.1     0.1
  MED XJ              23     0.0     0.0     0.0     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)