MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 10/27/01 through 11/02/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,514                   20,727
     2-4  a.m.                        876                    8,018
     4-6  a.m.                      1,118                   11,157
     6-8  a.m.                      2,012                   25,152
     8-10 a.m.                      5,349                   68,192
    10-12 a.m.                      8,932                  162,034
    12-2  p.m.                      9,459                  151,904
     2-4  p.m.                      9,752                  176,537
     4-6  p.m.                      7,569                  129,095
     6-8  p.m.                      3,926                   57,789
     8-10 p.m.                      2,784                   52,743
    10-12 p.m.                      2,293                   30,645
    __________              _____________        _________________
        Total:                     55,584                  893,993

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                           0
Davis                                                              0
Irvine                                                            45
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          3
San Francisco                                                      5
Santa Barbara                                                      3
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 5
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                    43,698
Other-Network UC                                              11,825
                                                               _____
                                                              55,584


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                           0
Davis                                                              0
Irvine                                                            87
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                         10
San Francisco                                                     40
Santa Barbara                                                     54
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                17
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                   874,588
Other-Network UC                                              19,197
                                                               _____
                                                             893,993

1.3  Response time
__________________

Search response time from receipt of search request
DLA until transmission of search response:
  Average in seconds                                         0.2
  Standard deviation in seconds                              2.0

Present response time from receipt of present request
DLA until transmission of a present response:
  Average in seconds                                         0.2
  Standard deviation in seconds                              0.3


2.0  PERIODICALS Database Detailed Statistics
_________________________________________

Median session length (minutes:seconds)                    20:07
Average session length (minutes:seconds)                   16:17
Longest session recorded (minutes:seconds)                165:02
Average number of searches completed per session          9264.0
Retrievals per search - median                               1.0
Retrievals per search - average                             72.4
Retrievals per search - standard deviation                1029.4
Percent of searches completed with 0 results                38.9%

Percent of searches entered that are long                    0.0%
Percent of long searches completed
  (includes partial results)                                 100%

Commands entered, by type, excluding errors:
                                                   Total     Percentage
                                              __________     __________
  SEARCH                                          55,584          20.2%
  PRESENT                                        186,504          67.8%
  INIT or CLOSE                                   33,096          12.0%
  OTHER                                               69           0.0%
SEARCHes completed:                                        RETRIEVALS PER NON-
                             TOTAL    ZERO RESULTS        ZERO RESULT SEARCHES
                     _____________  ______________      ______________________
                              % of            % of
                               all         all for                        Std.
                     No.  SEARCHes     No.   Index  Median       Avg.     Dev.
                  ______ _________  ______ _______  ______ __________  _______
  By index:
  PERIODICAL TITLE23,808     37.5%   9,562   40.2%       5      211.4   1876.9
  EXACT PE TITLE  12,001     18.9%   2,910   24.2%       2       31.9    713.3
  RELATED PE TITLE     0      0.0%       0    0.0%       0        0.0      0.0
  EXACT RELATED PE     0      0.0%       0    0.0%       0        0.0      0.0
  PERSONAL AUTHOR  1,340      2.1%   1,254   93.6%       2       24.1    160.0
  CORP AUTHOR      2,759      4.3%   2,423   87.8%       6      101.3    422.5
  EXACT CORP AUTH    124      0.2%      42   33.9%       9      150.5    313.7
  SUBJECT          4,920      7.8%   3,185   64.7%      13      334.0   1286.2
  EXACT SUBJECT      447      0.7%     120   26.8%      10      251.4   1339.5
  SERIES              51      0.1%      44   86.3%      23       85.3    137.0
  EXACT SERIES         6      0.0%       1   16.7%      41      121.2    153.5
  CODEN               16      0.0%      11   68.8%       1        1.2      0.4
  ISBN             2,619      4.1%   2,617   99.9%       2        2.0      1.4
  LCCN               642      1.0%     623   97.0%       1        1.1      0.2
  ISSN             8,722     13.7%     501    5.7%       1        1.6      1.0
  INDEXED BY           2      0.0%       2    100%       0        0.0      0.0
  DLA ID               1      0.0%       1    100%       0        0.0      0.0
  LOCAL NUM           27      0.0%      26   96.3%      22       22.0      0.0
  GOV'T DOC NUM        7      0.0%       7    100%       0        0.0      0.0
  REPORT NUM           2      0.0%       2    100%       0        0.0      0.0
  STOCK NUM            2      0.0%       2    100%       0        0.0      0.0
  GPO ITEM NUM         4      0.0%       3   75.0%       2        2.0      0.0
  AT               5,834      9.2%   1,716   29.4%       2       37.1    275.6
  RPE                 84      0.1%      55   65.5%       5       96.9    262.8
  RXPE                16      0.0%      11   68.8%       5        5.8      5.4
  Other indexes       35      0.1%      26   74.3%     596      402.0    291.2

                                                           RETRIEVALS PER NON-
                             TOTAL    ZERO RESULTS        ZERO RESULT SEARCHES
                     _____________  ______________      ______________________
                              % of            % of
                               all         all for                        Std.
                     No.  SEARCHes     No.   Index  Median       Avg.     Dev.
                  ______ _________  ______ _______  ______ __________  _______
  By number of indexes:
  Multiple         7,712     13.9%   3,377   43.8%       2       36.4    270.1
  Single          47,872     86.1%  18,237   38.1%       2      130.5   1403.4



PRESENT commands, by type:
  MARC                                                      30.9%
  OPAC                                                      20.7%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)