MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 02/01/00 through 02/29/00


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of  1,692,047 commands:*

     25% completed in less than    0.1 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    1.7 seconds.
     99% completed in less than    6.6 seconds.

1.1 BY TIME OF DAY, IN SECONDS:
_______________________________
                                    All commands completed in less than*
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  Prime Time    1,205,926    0.1     0.1     0.3     0.9     1.8     6.9
  (10am-6pm)

  Non-Prime Time  486,121    0.0     0.1     0.3     0.7     1.4     5.7
  (6pm-10am)


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

    12-2am        25,525     0.0     0.1     0.3     0.6     1.2     4.7
    2-4am         19,729     0.0     0.1     0.3     0.6     1.2     4.4
    4-6am         14,330     0.0     0.1     0.2     0.6     1.1     4.4
    6-8am         35,204     0.0     0.1     0.2     0.6     1.3     5.3
    8-10am       179,072     0.0     0.1     0.3     0.8     1.5     6.2
    10-12am      308,018     0.1     0.1     0.3     0.9     1.7     6.9
    12-2pm       317,255     0.1     0.1     0.3     0.9     1.7     6.7
    2-4pm        347,326     0.1     0.1     0.3     0.9     1.9     7.1
    4-6pm        233,327     0.1     0.1     0.3     0.8     1.7     6.9
    6-8pm        101,145     0.0     0.1     0.3     0.7     1.5     6.0
    8-10pm        67,905     0.0     0.1     0.3     0.7     1.5     6.1
    10-12pm       43,211     0.0     0.1     0.2     0.6     1.2     4.8

* 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           615,633     0.1     0.2     0.7     2.0     3.6    11.9
  DISPLAY        933,143     0.1     0.2     0.3     0.5     0.7     1.4
  BROWSE           3,839     0.1     0.2     1.7     5.1     8.2    17.3
  SELECT             532     0.0     0.0     0.1     0.1     0.3     5.0
  HELP            30,301     0.0     0.0     0.0     0.0     5.5    37.2
  EXPLAIN         26,901     0.0     0.0     0.0     0.0     0.0     0.0
  SET             79,027     0.0     0.0     0.0     0.6     1.9     4.6
  SHOW             7,004     0.0     0.0     0.0     0.0     0.0     0.1
  LOGON          125,371     2.6     6.2    13.3    26.4    44.3   215.8
  LOGOFF          14,323     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              35,905     0.1     0.1     0.3     0.6     1.1     2.9
  CA               2,464     0.1     0.2     0.7     1.4     2.2     4.8
  AU              12,260     0.1     0.1     0.3     0.8     1.4     3.7
  TW              58,091     0.1     0.5     1.4     3.1     4.7    15.5
  SU              21,521     0.1     0.2     0.7     1.8     3.0     7.5
  XCA                 77     0.1     0.1     0.2     0.8     1.4     6.4
  XT              28,732     0.0     0.1     0.1     0.1     0.2     0.7
  XS                 976     0.1     0.1     0.4     1.2     1.9     3.6
  TI->XT           6,411     0.1     0.1     0.1     0.1     0.2     0.4
  TI->TW           6,201     0.1     0.4     1.3     2.8     4.4    12.8
  Catalog Other   11,482     0.0     0.2     0.9     2.3     3.8     8.1
  TEN PA          16,240     0.4     0.6     1.0     2.9     7.6    19.4
  TEN CA               7     0.1     0.2     0.3     0.4     0.4     0.4
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW              15     0.2     0.2     0.3     0.4     0.4     0.4
  TEN SU           3,320     0.3     0.4     0.7     0.9     1.3     5.0
  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              27     0.2     0.6     0.7     0.9     1.1     1.2
  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        7,073     0.2     0.3     0.6     0.9     1.5     5.0
  COMMENT          4,922     0.2     0.4     0.8     1.2     2.0     6.7
  MJO              3,624     0.1     0.2     0.7     2.1     4.1    10.4
  MED PA          28,593     0.1     0.1     0.2     0.4     0.7     2.4
  MED TW          10,915     0.1     0.3     0.7     1.8     2.8     7.7
  MED SW             180     0.1     0.8     2.3     5.1     8.5    63.2
  MED SU           3,262     0.1     0.2     1.1     3.2     5.3    13.1
  MED MSU            276     0.1     0.3     1.2     2.9     4.4     8.4
  MED XS           1,272     0.1     0.3     1.0     2.4     4.5     9.1
  MED MXS          1,977     0.2     0.3     0.7     1.0     1.9     9.1
  MED XT             508     0.1     0.1     0.1     0.2     0.3     1.1
  MED TN              55     0.4     0.6     0.8     1.1     1.3     4.6
  MED XJ           3,427     0.1     0.2     0.6     0.7     0.9     1.7
  MED MTN             48     1.0     2.1     4.4    16.8    36.1   197.6
  MED KW          40,184     0.1     0.6     2.3     6.3    10.2    21.0
  MED DATE         2,375     0.0     0.1     0.4     0.8     1.2     3.8
  MED LANG         2,063     0.0     0.0     0.1     0.5     0.8     2.0
  MED XXS            499     0.3     1.1     3.0     9.0    15.9    89.4
  MED XMXS           176     0.3     1.1     5.4    16.6    54.6    86.2
  MED Other          290     0.0     0.1     0.5     0.6     0.7     1.4
  FINDs, by index, in seconds (continued)

                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PE              66,608     0.1     0.2     0.6     1.1     1.6     3.0
  XPE             18,304     0.0     0.0     0.1     0.1     0.1     0.3
  PE PA              198     0.0     0.1     0.1     0.2     0.3     0.5
  PE CA              176     0.1     0.3     0.5     0.7     1.1     1.7
  PE XC                6     0.1     0.1     0.2    21.5    21.5    21.5
  PE SU              557     0.1     0.1     0.3     0.8     1.4     2.7
  PE XS               42     0.1     0.1     0.2     0.4     0.7     2.7
  PE SE               59     0.1     0.1     0.2     0.3     0.3     0.4
  PE XSE               0     0.0     0.0     0.0     0.0     0.0     0.0
  PE CODEN             0     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISSN          2,518     0.0     0.0     0.0     0.1     0.1     0.3
  PE LCCN              0     0.0     0.0     0.0     0.0     0.0     0.0
  PE ISBN              8     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                5     0.1     0.1     0.1     0.5     0.5     0.5
  PE Other         1,488     0.2     0.3     0.4     0.7     1.2     5.2
  Multi           40,918     0.3     0.7     2.0     4.9     8.0    22.8


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                 256     0.2     0.4     0.7     2.1     3.9     7.9
  CA                  11     0.8     1.3     2.0     3.9     5.6     5.6
  SU               1,580     0.6     1.8     4.5     8.4    11.7    21.8
  XCA                  1     0.3     0.3     0.3     0.3     0.3     0.3
  XS                 152     0.4     1.2     4.3     9.3    18.4    41.4
  Other               38     1.0     2.1     3.2     5.9    12.2    18.4
  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                323     0.0     0.1     0.1     0.2     0.3     0.6
  MED PA              38     0.0     0.1     0.1     0.1     0.2     2.3
  MED SU           1,117     0.0     0.1     0.1     0.2     0.2     1.9
  MED XS              70     0.0     0.1     0.1     0.1     0.1     0.2
  MED TN               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XJ              89     0.0     0.0     0.1     0.1     0.1     0.8
  Multi                0     0.0     0.0     0.0     0.0     0.0     0.0
RTmm/dd  rt       MELVYL SYSTEM TELNET RESPONSE TIME (weekly)