MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 07/01/00 through 07/31/00



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      3,607                   42,320
     2-4  a.m.                      2,391                   29,680
     4-6  a.m.                      2,569                   22,499
     6-8  a.m.                      3,726                   53,049
     8-10 a.m.                      9,904                  237,029
    10-12 a.m.                     18,373                  468,539
    12-2  p.m.                     17,959                  400,788
     2-4  p.m.                     20,785                  495,709
     4-6  p.m.                     13,474                  315,221
     6-8  p.m.                      6,095                  130,169
     8-10 p.m.                      3,273                   76,799
    10-12 p.m.                      3,385                   81,064
    __________              _____________        _________________
        Total:                    105,541                2,352,866

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                                                           532
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                                                        79,644
Searchlight                                                    7,058
Other - UC                                                     1,028
Other-Network UC                                              17,275
                                                               _____
                                                             105,541


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                           5
Davis                                                              0
Irvine                                                         1,205
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                                                     2,289,083
Searchlight                                                        0
Other - UC                                                     9,582
Other-Network UC                                              52,991
                                                               _____
                                                           2,352,866

1.3  Response time
__________________

Search response time from receipt of search request
DLA until transmission of search response:
  Average in seconds                                         0.3
  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                              0.5


2.0  PERIODICALS Database Detailed Statistics
_________________________________________

Median session length (minutes:seconds)                    20:25
Average session length (minutes:seconds)                   15:37
Longest session recorded (minutes:seconds)                228:02
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             88.5
Retrievals per search - standard deviation                1269.2
Percent of searches completed with 0 results                35.9%

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                                         105,541          17.4%
  PRESENT                                        446,428          73.5%
  INIT or CLOSE                                   54,904           9.0%
  OTHER                                              424           0.1%
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 TITLE54,260     43.6%  18,226   33.6%       4      180.8   1848.7
  EXACT PE TITLE  28,788     23.1%   6,253   21.7%       2       58.1   1287.9
  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  4,724      3.8%   4,259   90.2%       2       15.1     42.6
  CORP AUTHOR      3,668      2.9%   2,781   75.8%       7      115.5    490.7
  EXACT CORP AUTH    286      0.2%      72   25.2%       7      117.8    276.2
  SUBJECT         10,068      8.1%   6,594   65.5%      12      357.7   1440.0
  EXACT SUBJECT      849      0.7%     267   31.4%       7      247.8   1423.2
  SERIES             139      0.1%     110   79.1%       5       22.2     55.0
  EXACT SERIES        27      0.0%       9   33.3%       5       38.4     62.3
  CODEN               35      0.0%      21   60.0%       1        1.3      0.6
  ISBN             1,838      1.5%   1,836   99.9%       3        3.0      0.0
  LCCN                84      0.1%      78   92.9%       2        2.0      1.5
  ISSN             4,026      3.2%     371    9.2%       1        1.8      1.2
  INDEXED BY          20      0.0%      20    100%       0        0.0      0.0
  DLA ID               2      0.0%       2    100%       0        0.0      0.0
  LOCAL NUM           36      0.0%      29   80.6%      20       28.9     21.3
  GOV'T DOC NUM       16      0.0%      15   93.8%      47       47.0      0.0
  REPORT NUM          14      0.0%      13   92.9%       1        1.0      0.0
  STOCK NUM           10      0.0%       9   90.0%       1        1.0      0.0
  GPO ITEM NUM         7      0.0%       6   85.7%       3        3.0      0.0
  AT              15,210     12.2%   3,478   22.9%       2       37.9    292.5
  RPE                209      0.2%     136   65.1%       6      148.7    716.4
  RXPE                81      0.1%      45   55.6%       3       52.0    196.9
  Other indexes       65      0.1%      47   72.3%     210      511.6    878.2

                                                           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        18,480     17.5%   6,397   34.6%       2       38.1    290.3
  Single          87,061     82.5%  31,522   36.2%       3      159.9   1741.3



PRESENT commands, by type:
  MARC                                                      28.2%
  OPAC                                                      18.8%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)