MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 05/01/00 through 05/31/00


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    957,615 commands:*

     25% completed in less than    0.0 seconds.
     50% completed in less than    0.1 seconds.
     75% completed in less than    0.3 seconds.
     90% completed in less than    0.8 seconds.
     95% completed in less than    1.6 seconds.
     99% completed in less than    5.7 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time      668,060    0.1     0.1     0.3     0.8     1.7     6.0
  (10am-6pm)

  Non-Prime Time  289,555    0.0     0.1     0.2     0.7     1.4     4.9
  (6pm-10am)


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

    12-2am        13,781     0.0     0.1     0.3     0.6     1.3     4.7
    2-4am          9,255     0.0     0.1     0.3     0.6     1.1     4.1
    4-6am          9,116     0.0     0.1     0.2     0.5     1.0     3.3
    6-8am         20,199     0.0     0.1     0.2     0.7     1.4     4.2
    8-10am        94,459     0.0     0.1     0.3     0.8     1.5     5.3
    10-12am      163,794     0.0     0.1     0.3     0.8     1.6     5.9
    12-2pm       157,872     0.1     0.1     0.3     0.8     1.7     5.9
    2-4pm        202,690     0.1     0.1     0.3     0.9     1.7     6.1
    4-6pm        143,704     0.0     0.1     0.3     0.8     1.6     6.1
    6-8pm         68,033     0.0     0.1     0.3     0.7     1.4     5.2
    8-10pm        43,377     0.0     0.1     0.2     0.7     1.3     4.8
    10-12pm       31,335     0.0     0.1     0.2     0.6     1.1     4.0

* 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           353,026     0.1     0.2     0.6     1.7     3.2    10.5
  DISPLAY        525,792     0.1     0.2     0.3     0.5     0.7     1.7
  BROWSE           1,685     0.0     0.1     0.8     3.9     6.8    20.1
  SELECT             196     0.0     0.0     0.1     0.1     0.2     2.9
  HELP            14,915     0.0     0.0     0.0     0.0     6.4    42.8
  EXPLAIN         13,463     0.0     0.0     0.0     0.0     0.0     0.0
  SET             47,064     0.0     0.0     0.0     0.6     2.0     5.2
  SHOW             3,328     0.0     0.0     0.0     0.0     0.0     0.2
  LOGON           73,607     2.6     6.0    12.7    24.6    40.7   217.1
  LOGOFF           8,298     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              18,895     0.1     0.1     0.3     0.6     1.0     2.9
  CA               1,410     0.1     0.3     0.7     1.5     2.2     5.5
  AU               7,471     0.1     0.1     0.3     0.7     1.4     3.4
  TW              31,925     0.1     0.5     1.4     3.1     4.8    16.5
  SU              10,720     0.1     0.2     0.6     1.7     2.9     6.3
  XCA                 52     0.1     0.1     0.2     0.3     0.7     2.3
  XT              15,679     0.0     0.1     0.1     0.1     0.2     0.6
  XS                 627     0.1     0.1     0.3     1.0     1.7     3.5
  TI->XT           3,181     0.1     0.1     0.1     0.1     0.1     0.4
  TI->TW           3,011     0.1     0.4     1.1     2.5     3.7     9.4
  Catalog Other    6,403     0.0     0.2     0.8     2.3     3.8     8.3
  TEN PA          10,489     0.4     0.7     1.1     4.7    10.6    25.7
  TEN CA              11     0.2     0.3     0.5     0.6     0.6     0.6
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW              18     0.2     0.3     0.5     0.9     1.7     1.7
  TEN SU           2,749     0.3     0.5     0.7     0.8     1.2     5.1
  TEN XCA              0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN XT               2     0.3     0.7     1.0     1.0     1.0     1.0
  TEN XS               2     0.4     0.5     0.5     0.5     0.5     0.5
  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        3,866     0.2     0.3     0.7     0.9     1.4     5.0
  COMMENT          3,518     0.3     0.5     0.7     1.2     1.8     7.2
  MJO              2,330     0.0     0.1     0.4     1.7     3.3     8.2
  MED PA          17,127     0.0     0.1     0.1     0.2     0.5     1.7
  MED TW           6,882     0.1     0.2     0.4     1.0     1.5     5.1
  MED SW              78     0.1     0.2     0.5     1.6     2.3     3.4
  MED SU           1,818     0.1     0.1     1.0     3.5     5.8    11.8
  MED MSU             53     0.1     0.2     1.2     1.8     2.4    12.7
  MED XS             595     0.1     0.3     0.9     1.9     3.0     7.3
  MED MXS          1,534     0.2     0.3     0.7     0.8     1.0     5.5
  MED XT             409     0.1     0.1     0.1     0.2     0.3     0.9
  MED TN              41     0.3     0.5     0.7     1.1     2.7     6.1
  MED XJ           1,907     0.1     0.2     0.6     0.7     0.8     1.7
  MED MTN             50     0.9     3.0     6.2     9.8    24.2    30.4
  MED KW          24,750     0.1     0.3     1.0     2.8     4.3    10.6
  MED DATE         1,419     0.0     0.2     0.5     0.9     1.4     3.6
  MED LANG           990     0.0     0.0     0.3     0.7     0.9     2.0
  MED XXS            391     0.2     0.8     2.1     4.6    11.1    37.3
  MED XMXS            49     0.2     0.9     2.3    11.0    19.2    76.5
  MED Other          142     0.0     0.2     0.6     0.7     0.8     2.7
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE              38,508     0.1     0.2     0.6     1.1     1.6     2.9
  XPE              9,169     0.0     0.0     0.1     0.1     0.1     0.4
  PE PA              121     0.0     0.1     0.1     0.1     0.1     0.2
  PE CA               89     0.2     0.3     0.6     1.0     1.3    11.6
  PE XC                8     0.1     0.1     0.2     0.3     0.3     0.3
  PE SU              256     0.1     0.1     0.4     0.9     1.3     3.2
  PE XS               23     0.1     0.1     0.2     0.8     1.7   155.5
  PE SE               42     0.1     0.1     0.1     0.2     0.2     1.0
  PE XSE               1     0.1     0.1     0.1     0.1     0.1     0.1
  PE CODEN             6     0.0     0.0     0.0     0.1     0.1     0.1
  PE ISSN          1,140     0.0     0.0     0.0     0.1     0.1     0.3
  PE LCCN              5     0.1     0.1     0.1     0.2     0.2     0.2
  PE ISBN              2     0.0     0.1     0.1     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                6     0.0     0.1     0.1     0.1     0.1     0.1
  PE Other           665     0.2     0.3     0.4     0.6     0.9     4.8
  Multi           25,273     0.2     0.6     1.8     4.2     7.0    23.3


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                 114     0.3     0.5     1.4     4.5     7.9    12.2
  CA                   5     0.4     0.4     0.6     2.6     2.6     2.6
  SU                 462     0.5     1.6     4.8     9.2    12.2    37.7
  XCA                  1     0.7     0.7     0.7     0.7     0.7     0.7
  XS                  81     0.4     1.0     2.3     3.8     7.3    20.1
  Other               11     0.2     0.9     3.8     6.3    42.9    42.9
  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                166     0.0     0.0     0.1     0.1     0.1     0.3
  MED PA              38     0.0     0.0     0.0     0.1     0.2     0.2
  MED SU             568     0.0     0.0     0.1     0.1     0.2     2.1
  MED XS              26     0.0     0.0     0.1     0.1     0.1     0.1
  MED TN               8     0.0     0.1     0.5     0.8     0.8     0.8
  MED XJ              49     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)