MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 09/29/01 through 10/05/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,182                   12,074
     2-4  a.m.                        679                    4,913
     4-6  a.m.                        814                    7,962
     6-8  a.m.                      1,590                   14,953
     8-10 a.m.                      4,918                   72,787
    10-12 a.m.                      7,286                  134,698
    12-2  p.m.                      7,162                  142,238
     2-4  p.m.                      7,878                  167,016
     4-6  p.m.                      5,626                  114,921
     6-8  p.m.                      2,898                   56,336
     8-10 p.m.                      1,754                   49,472
    10-12 p.m.                      1,355                   58,408
    __________              _____________        _________________
        Total:                     43,142                  835,778

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                                                              2
Irvine                                                            43
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          1
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                    33,054
Other-Network UC                                              10,042
                                                               _____
                                                              43,142


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                           0
Davis                                                              1
Irvine                                                            78
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                         18
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                   818,017
Other-Network UC                                              17,664
                                                               _____
                                                             835,778

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                              2.2

Present response time from receipt of present request
DLA until transmission of a present response:
  Average in seconds                                         0.1
  Standard deviation in seconds                              0.2


2.0  PERIODICALS Database Detailed Statistics
_________________________________________

Median session length (minutes:seconds)                    20:13
Average session length (minutes:seconds)                   16:21
Longest session recorded (minutes:seconds)                228:15
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             86.8
Retrievals per search - standard deviation                1036.7
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                                          43,142          18.5%
  PRESENT                                        164,727          70.7%
  INIT or CLOSE                                   25,052          10.8%
  OTHER                                               44           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 TITLE20,014     40.6%   7,815   39.0%       5      233.3   1671.6
  EXACT PE TITLE   9,693     19.6%   2,162   22.3%       2       43.0   1012.7
  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  1,265      2.6%   1,163   91.9%       2        6.8     12.5
  CORP AUTHOR      2,649      5.4%   2,345   88.5%       8       72.2    418.8
  EXACT CORP AUTH     89      0.2%      27   30.3%       4       79.3    219.9
  SUBJECT          3,392      6.9%   2,090   61.6%      14      359.9   1609.4
  EXACT SUBJECT      318      0.6%      93   29.2%      11      304.0   1556.0
  SERIES              63      0.1%      59   93.6%       6        9.5     11.8
  EXACT SERIES         9      0.0%       5   55.6%       3       27.0     50.0
  CODEN               15      0.0%       1    6.7%       1        1.6      1.4
  ISBN             1,906      3.9%   1,906    100%       0        0.0      0.0
  LCCN               381      0.8%     378   99.2%       3        2.3      1.2
  ISSN             5,090     10.3%     322    6.3%       1        1.6      1.0
  INDEXED BY           3      0.0%       3    100%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM            4      0.0%       3   75.0%      11       11.0      0.0
  GOV'T DOC NUM        5      0.0%       5    100%       0        0.0      0.0
  REPORT NUM           1      0.0%       1    100%       0        0.0      0.0
  STOCK NUM            2      0.0%       2    100%       0        0.0      0.0
  GPO ITEM NUM         0      0.0%       0    0.0%       0        0.0      0.0
  AT               4,346      8.8%   1,013   23.3%       2       44.1    310.3
  RPE                 54      0.1%      38   70.4%       3       11.2     20.0
  RXPE                12      0.0%       7   58.3%       3      163.4    357.0
  Other indexes       23      0.0%      18   78.3%      22     1399.0   3090.8

                                                           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         6,061     14.0%   2,576   42.5%       2       42.7    303.6
  Single          37,081     85.9%  14,196   38.3%       3      157.2   1414.7



PRESENT commands, by type:
  MARC                                                      29.9%
  OPAC                                                      18.9%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)