MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 10/13/01 through 10/19/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,803                   15,463
     2-4  a.m.                        964                   13,324
     4-6  a.m.                      1,016                    9,699
     6-8  a.m.                      2,175                   21,625
     8-10 a.m.                      5,465                   75,187
    10-12 a.m.                      8,392                  146,661
    12-2  p.m.                      8,960                  170,708
     2-4  p.m.                      9,765                  181,509
     4-6  p.m.                      6,876                  125,311
     6-8  p.m.                      4,169                   69,766
     8-10 p.m.                      2,903                   56,849
    10-12 p.m.                      2,381                   40,567
    __________              _____________        _________________
        Total:                     54,869                  926,669

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                           4
Davis                                                              0
Irvine                                                            24
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                    42,347
Other-Network UC                                              12,494
                                                               _____
                                                              54,869


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                          15
Davis                                                              0
Irvine                                                            80
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                   910,504
Other-Network UC                                              16,070
                                                               _____
                                                             926,669

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                              1.4

Present response time from receipt of present request
DLA until transmission of a present response:
  Average in seconds                                         0.1
  Standard deviation in seconds                              0.3


2.0  PERIODICALS Database Detailed Statistics
_________________________________________

Median session length (minutes:seconds)                    20:09
Average session length (minutes:seconds)                   16:27
Longest session recorded (minutes:seconds)                193:49
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             76.5
Retrievals per search - standard deviation                1027.6
Percent of searches completed with 0 results                40.1%

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                                          54,869          19.9%
  PRESENT                                        188,504          68.3%
  INIT or CLOSE                                   32,488          11.8%
  OTHER                                               89           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 TITLE23,590     37.5%   9,680   41.0%       5      196.1   1423.9
  EXACT PE TITLE  11,756     18.7%   2,970   25.3%       2       77.7   1672.6
  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  1,414      2.2%   1,302   92.1%       3       16.2     92.3
  CORP AUTHOR      3,270      5.2%   2,934   89.7%       7      145.8    656.8
  EXACT CORP AUTH    107      0.2%      39   36.4%       5       96.6    241.5
  SUBJECT          5,046      8.0%   3,099   61.4%      14      311.6   1233.7
  EXACT SUBJECT      408      0.6%     127   31.1%       8      385.1   2344.0
  SERIES              45      0.1%      34   75.6%       1      157.9    485.2
  EXACT SERIES        15      0.0%       6   40.0%     343      445.3    493.3
  CODEN               19      0.0%       7   36.8%       1        1.4      0.9
  ISBN             2,717      4.3%   2,717    100%       0        0.0      0.0
  LCCN               660      1.0%     648   98.2%       1        1.2      0.4
  ISSN             8,071     12.8%     530    6.6%       1        1.7      1.0
  INDEXED BY           3      0.0%       2   66.7%   1,583     1583.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM           22      0.0%      22    100%       0        0.0      0.0
  GOV'T DOC NUM        4      0.0%       3   75.0%      53       53.0      0.0
  REPORT NUM           2      0.0%       2    100%       0        0.0      0.0
  STOCK NUM            0      0.0%       0    0.0%       0        0.0      0.0
  GPO ITEM NUM         2      0.0%       2    100%       0        0.0      0.0
  AT               5,555      8.8%   1,597   28.7%       2       43.1    288.6
  RPE                 97      0.2%      73   75.3%      12      381.1   1264.1
  RXPE                19      0.0%      13   68.4%       1        7.8     15.8
  Other indexes       47      0.1%      29   61.7%      37      109.2    220.4

                                                           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         7,793     14.2%   3,626   46.5%       2       44.0    297.6
  Single          47,076     85.8%  18,403   39.1%       2      140.0   1413.9



PRESENT commands, by type:
  MARC                                                      30.4%
  OPAC                                                      20.4%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)