MELVYL SYSTEM TELNET RESPONSE TIME
                 Time period: 03/31/01 through 04/06/01


1.0  OVERALL RESPONSE TIME:
___________________________

  For a total of    259,917 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      177,713    0.0     0.1     0.3     0.7     1.3     4.5
  (10am-6pm)

  Non-Prime Time   82,204    0.0     0.1     0.2     0.6     1.1     4.1
  (6pm-10am)


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

    12-2am         3,816     0.0     0.1     0.2     0.6     1.1     4.8
    2-4am          2,391     0.0     0.1     0.2     0.6     1.1     3.7
    4-6am          4,418     0.0     0.1     0.2     0.6     0.9     2.9
    6-8am          5,550     0.0     0.1     0.3     0.8     1.4    10.5
    8-10am        29,959     0.0     0.1     0.3     0.7     1.3     4.5
    10-12am       41,813     0.0     0.1     0.2     0.7     1.3     4.6
    12-2pm        45,092     0.0     0.1     0.3     0.7     1.3     4.3
    2-4pm         52,168     0.0     0.1     0.3     0.7     1.4     4.9
    4-6pm         38,640     0.0     0.1     0.2     0.6     1.1     4.3
    6-8pm         16,392     0.0     0.1     0.2     0.6     1.0     3.5
    8-10pm        11,107     0.0     0.1     0.2     0.5     1.0     3.5
    10-12pm        8,571     0.0     0.1     0.2     0.6     1.1     3.4

* 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            93,800     0.1     0.2     0.5     1.3     2.4     7.8
  DISPLAY        145,639     0.1     0.1     0.3     0.5     0.8     1.7
  BROWSE             677     0.0     0.2     1.8     5.7    11.7    42.2
  SELECT             131     0.0     0.0     0.0     0.1     0.1     0.2
  HELP             2,568     0.0     0.0     0.0     0.0     8.9    40.4
  EXPLAIN          2,375     0.0     0.0     0.0     0.0     0.0     0.0
  SET             14,504     0.0     0.0     0.0     0.7     1.0     4.5
  SHOW             1,016     0.0     0.0     0.0     0.0     0.0     0.1
  LOGON           20,550     2.2     5.4    11.7    21.9    35.3   173.7
  LOGOFF           1,422     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               5,372     0.1     0.1     0.2     0.5     0.8     2.2
  CA                 463     0.1     0.2     0.7     1.9     2.8     6.5
  AU               1,535     0.1     0.1     0.3     0.7     1.3     4.1
  TW               9,551     0.1     0.4     1.0     2.2     3.6    13.9
  SU               2,127     0.1     0.2     0.7     1.9     3.0     6.1
  XCA                  7     0.1     0.1     0.5     0.7     0.7     0.7
  XT               4,252     0.0     0.1     0.1     0.2     0.2     0.4
  XS                 147     0.1     0.1     0.5     1.6     2.5     4.5
  TI->XT           1,062     0.1     0.1     0.1     0.2     0.2     0.3
  TI->TW             905     0.1     0.4     1.0     2.1     3.3     7.2
  Catalog Other    1,880     0.0     0.2     0.7     2.1     3.5     9.1
  TEN PA             416     0.2     0.4     0.9     3.6     8.1    21.5
  TEN CA               3     0.2     0.3     0.5     0.5     0.5     0.5
  TEN AU               0     0.0     0.0     0.0     0.0     0.0     0.0
  TEN TW              32     0.3     0.3     0.5     1.6     1.7     2.4
  TEN SU             806     0.2     0.3     0.4     0.8     1.1     3.4
  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              10     0.2     0.2     0.3     0.3     0.3     0.3
  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          745     0.2     0.4     0.9     1.9     4.2     9.7
  COMMENT            257     0.2     0.4     0.8     2.8     4.3    11.2
  MJO                647     0.0     0.1     0.2     0.6     1.4     4.3
  MED PA           4,128     0.0     0.1     0.1     0.2     0.4     1.2
  MED TW           1,641     0.0     0.1     0.3     0.8     1.2     2.8
  MED SW              13     0.0     0.0     0.1     0.1     0.8     0.8
  MED SU             385     0.0     0.1     0.7     1.8     2.7     7.2
  MED MSU             74     0.1     0.4     1.3     2.8     3.4     6.3
  MED XS             167     0.0     0.1     0.5     0.9     1.1     5.9
  MED MXS            490     0.2     0.2     0.3     0.4     0.5     5.3
  MED XT              73     0.1     0.1     0.1     0.2     0.2     0.4
  MED TN               6     0.3     0.3     0.4     0.6     0.6     0.6
  MED XJ             557     0.1     0.3     0.6     1.1     1.6     4.4
  MED MTN             11     0.6     1.4     2.8     4.5     5.3     5.3
  MED KW           5,841     0.1     0.2     1.0     2.7     4.1     8.5
  MED DATE           421     0.0     0.2     0.5     1.0     1.4     1.9
  MED LANG           187     0.0     0.0     0.2     0.6     0.9     1.5
  MED XXS             32     0.1     0.7     2.6     6.3     7.0     7.8
  MED XMXS             8     0.9     1.1     1.5    37.8    37.8    37.8
  MED Other           47     0.0     0.2     0.4     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              12,542     0.0     0.1     0.3     0.6     0.9     1.6
  XPE              3,455     0.0     0.0     0.0     0.1     0.1     0.2
  PE PA               22     0.0     0.0     0.1     0.1     0.1     0.1
  PE CA               43     0.1     0.1     0.3     0.5     0.5     0.7
  PE XC                7     0.0     0.1     0.1     0.1     0.1     0.1
  PE SU               65     0.0     0.1     0.3     0.7     0.8     1.7
  PE XS               29     0.0     0.1     0.1     0.6     0.6     0.7
  PE SE               12     0.0     0.1     0.1     0.2     0.4     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            719     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              2     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                0     0.0     0.0     0.0     0.0     0.0     0.0
  PE Other           351     0.3     0.4     0.8     1.7     4.1    10.4
  Multi            6,986     0.2     0.6     1.3     3.2     5.7    20.7


  BROWSEs, by index, in seconds
                                    Commands completed in less than:
                    No.      25%     50%     75%     90%     95%     99%
                    ___      ___     ___     ___     ___     ___     ___
  PA                  44     0.1     0.5     1.5     4.4     8.0    30.7
  CA                   1     4.7     4.7     4.7     4.7     4.7     4.7
  SU                 328     0.6     1.2     4.4    10.8    21.5    46.4
  XCA                  0     0.0     0.0     0.0     0.0     0.0     0.0
  XS                   9     0.6     1.1     2.7    17.1    17.1    17.1
  Other                1     0.3     0.3     0.3     0.3     0.3     0.3
  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                 66     0.0     0.0     0.0     0.1     0.1     0.2
  MED PA              18     0.0     0.0     0.0     0.1     0.1     0.1
  MED SU             179     0.0     0.0     0.0     0.1     0.1     2.5
  MED XS              12     0.0     0.0     0.0     0.1     0.1     0.1
  MED TN               0     0.0     0.0     0.0     0.0     0.0     0.0
  MED XJ               9     0.0     0.0     0.0     0.2     0.2     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)