MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 07/07/01 through 07/13/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,690                    9,303
     2-4  a.m.                        906                    3,896
     4-6  a.m.                      1,153                    9,130
     6-8  a.m.                      1,874                   20,064
     8-10 a.m.                      4,373                   58,101
    10-12 a.m.                      7,133                  125,557
    12-2  p.m.                      6,748                  117,841
     2-4  p.m.                      7,153                  156,799
     4-6  p.m.                      4,736                   90,763
     6-8  p.m.                      2,210                   36,801
     8-10 p.m.                      1,428                   22,635
    10-12 p.m.                      1,326                   17,395
    __________              _____________        _________________
        Total:                     40,730                  668,285

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                           1
Davis                                                              0
Irvine                                                            94
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          8
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                           196
Searchlight                                                        0
Other - UC                                                    28,729
Other-Network UC                                              11,702
                                                               _____
                                                              40,730


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                                                           174
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                        202
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                           460
Searchlight                                                        0
Other - UC                                                   649,830
Other-Network UC                                              17,619
                                                               _____
                                                             668,285

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)                    20:02
Average session length (minutes:seconds)                   14:51
Longest session recorded (minutes:seconds)                264:53
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             84.0
Retrievals per search - standard deviation                1107.4
Percent of searches completed with 0 results                42.5%

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                                          40,730          20.6%
  PRESENT                                        135,116          68.4%
  INIT or CLOSE                                   21,578          10.9%
  OTHER                                              106           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 TITLE19,094     41.2%   8,091   42.4%       5      235.3   1732.7
  EXACT PE TITLE   9,171     19.8%   2,077   22.6%       2       59.5   1416.7
  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  1,420      3.1%   1,272   89.6%       3        8.6     15.6
  CORP AUTHOR      2,406      5.2%   2,149   89.3%       6      197.8   1055.9
  EXACT CORP AUTH     87      0.2%      27   31.0%       5      138.3    299.5
  SUBJECT          2,306      5.0%   1,494   64.8%      15      346.6   1378.3
  EXACT SUBJECT      229      0.5%      87   38.0%       6      311.6   1468.4
  SERIES              26      0.1%      22   84.6%       6       12.5     16.5
  EXACT SERIES        11      0.0%       2   18.2%       1      382.3   1050.6
  CODEN               30      0.1%      15   50.0%       1        1.3      0.8
  ISBN             3,191      6.9%   3,188   99.9%       3        3.0      0.0
  LCCN               341      0.7%     333   97.7%       1        1.0      0.0
  ISSN             4,404      9.5%     464   10.5%       1        1.6      1.1
  INDEXED BY           6      0.0%       6    100%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM           72      0.2%      64   88.9%      41       30.5     20.1
  GOV'T DOC NUM        8      0.0%       7   87.5%      53       53.0      0.0
  REPORT NUM           3      0.0%       3    100%       0        0.0      0.0
  STOCK NUM            3      0.0%       3    100%       0        0.0      0.0
  GPO ITEM NUM         1      0.0%       1    100%       0        0.0      0.0
  AT               3,450      7.4%     814   23.6%       2       54.0    447.6
  RPE                 44      0.1%      32   72.7%      35      588.2   1705.9
  RXPE                10      0.0%       5   50.0%      15       25.6     23.9
  Other indexes       20      0.0%      10   50.0%      87      928.1   1555.9

                                                           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         5,492     13.5%   2,739   49.9%       2       52.0    438.1
  Single          35,238     86.5%  14,585   41.4%       3      158.8   1543.2



PRESENT commands, by type:
  MARC                                                      31.0%
  OPAC                                                      19.5%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)