MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 08/04/01 through 08/10/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,184                    8,464
     2-4  a.m.                        933                    6,282
     4-6  a.m.                      1,109                    4,853
     6-8  a.m.                      1,786                   14,141
     8-10 a.m.                      4,540                   50,598
    10-12 a.m.                      7,172                  103,886
    12-2  p.m.                      6,519                  108,928
     2-4  p.m.                      6,328                  124,543
     4-6  p.m.                      4,296                   74,249
     6-8  p.m.                      1,488                   34,580
     8-10 p.m.                        891                   16,245
    10-12 p.m.                        821                   18,275
    __________              _____________        _________________
        Total:                     37,067                  565,044

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                                                           101
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          2
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             3
Searchlight                                                        0
Other - UC                                                    26,851
Other-Network UC                                              10,110
                                                               _____
                                                              37,067


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                                                           252
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          3
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             4
Searchlight                                                        0
Other - UC                                                   540,843
Other-Network UC                                              23,942
                                                               _____
                                                             565,044

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                              1.2

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)                    20:11
Average session length (minutes:seconds)                   15:46
Longest session recorded (minutes:seconds)                474:42
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             70.1
Retrievals per search - standard deviation                 962.0
Percent of searches completed with 0 results                42.0%

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                                          37,067          21.4%
  PRESENT                                        118,109          68.2%
  INIT or CLOSE                                   17,923          10.4%
  OTHER                                               51           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 TITLE16,860     39.9%   6,917   41.0%       5      216.4   1781.4
  EXACT PE TITLE   8,067     19.1%   1,847   22.9%       2       33.5    523.3
  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  1,429      3.4%   1,304   91.3%       4       16.0     42.4
  CORP AUTHOR      2,273      5.4%   2,074   91.2%       9      247.7    971.0
  EXACT CORP AUTH     91      0.2%      60   65.9%      11      139.2    292.5
  SUBJECT          1,799      4.3%   1,222   67.9%      15      277.7    899.4
  EXACT SUBJECT      183      0.4%      68   37.2%       9       74.5    205.6
  SERIES              29      0.1%      23   79.3%      11       33.2     61.6
  EXACT SERIES         6      0.0%       3   50.0%       4       44.7     72.2
  CODEN               61      0.1%      25   41.0%       1        1.2      0.4
  ISBN             2,431      5.8%   2,431    100%       0        0.0      0.0
  LCCN               435      1.0%     415   95.4%       1        1.2      0.5
  ISSN             5,415     12.8%   1,119   20.7%       1        1.6      1.1
  INDEXED BY           2      0.0%       2    100%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM            4      0.0%       1   25.0%      50       48.0     11.1
  GOV'T DOC NUM        6      0.0%       5   83.3%      53       53.0      0.0
  REPORT NUM           2      0.0%       2    100%       0        0.0      0.0
  STOCK NUM            2      0.0%       1   50.0%       1        1.0      0.0
  GPO ITEM NUM         0      0.0%       0    0.0%       0        0.0      0.0
  AT               3,092      7.3%     606   19.6%       2       31.8    227.2
  RPE                 12      0.0%       7   58.3%       3     1202.0   2678.3
  RXPE                 7      0.0%       4   57.1%       7        8.0      6.6
  Other indexes       22      0.1%      14   63.6%      74      368.0    769.2

                                                           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         5,091     13.7%   2,515   49.4%       2       31.3    223.7
  Single          31,976     86.3%  13,060   40.8%       2      133.1   1341.0



PRESENT commands, by type:
  MARC                                                      32.9%
  OPAC                                                      20.5%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)