MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 06/08/02 through 06/14/02



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,676                   25,327
     2-4  a.m.                      1,182                   11,725
     4-6  a.m.                      2,552                   12,493
     6-8  a.m.                      2,263                   15,602
     8-10 a.m.                      4,879                   58,608
    10-12 a.m.                      7,106                  134,482
    12-2  p.m.                      7,783                  103,068
     2-4  p.m.                      7,458                  123,809
     4-6  p.m.                      5,720                   84,302
     6-8  p.m.                      3,297                   29,391
     8-10 p.m.                      1,818                   28,135
    10-12 p.m.                      1,590                   19,540
    __________              _____________        _________________
        Total:                     47,324                  646,482

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                          17
Davis                                                              1
Irvine                                                             0
Los Angeles                                                        3
Riverside                                                          0
San Diego                                                          1
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 3
Los Alamos                                                         0
MELWEB                                                        31,491
Searchlight                                                    1,290
Other - UC                                                       260
Other-Network UC                                              14,258
                                                               _____
                                                              47,324


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                          92
Davis                                                              0
Irvine                                                             0
Los Angeles                                                        8
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 3
Los Alamos                                                         0
MELWEB                                                       605,869
Searchlight                                                        0
Other - UC                                                     3,499
Other-Network UC                                              37,011
                                                               _____
                                                             646,482

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                              3.3

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)                    20:01
Average session length (minutes:seconds)                   15:42
Longest session recorded (minutes:seconds)                269:52
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             45.5
Retrievals per search - standard deviation                 702.5
Percent of searches completed with 0 results                38.4%

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                                          47,324          21.0%
  PRESENT                                        147,450          65.5%
  INIT or CLOSE                                   30,140          13.4%
  OTHER                                               40           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 TITLE17,392     33.3%   7,688   44.2%       5      168.5   1443.8
  EXACT PE TITLE   8,660     16.6%   1,639   18.9%       2       24.8    368.4
  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  1,700      3.3%   1,574   92.6%       2        4.9      7.6
  CORP AUTHOR      2,268      4.3%   2,035   89.7%       7       61.1    193.2
  EXACT CORP AUTH     87      0.2%      31   35.6%      14       89.1    157.8
  SUBJECT          2,205      4.2%   1,497   67.9%      14      323.7   1126.9
  EXACT SUBJECT      176      0.3%      60   34.1%       6      503.1   2575.7
  SERIES              24      0.0%      17   70.8%       4        3.7      1.9
  EXACT SERIES         4      0.0%       0    0.0%      53       82.8    104.6
  CODEN               13      0.0%       4   30.8%       1        1.0      0.0
  ISBN             3,704      7.1%   3,701   99.9%       1        1.7      1.2
  LCCN               631      1.2%     626   99.2%       1        1.2      0.4
  ISSN            12,152     23.2%     953    7.8%       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           49      0.1%      48   98.0%       1        1.0      0.0
  GOV'T DOC NUM        2      0.0%       2    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         1      0.0%       1    100%       0        0.0      0.0
  AT               3,125      6.0%     575   18.4%       2       37.4    274.8
  RPE                 28      0.1%      17   60.7%      34      201.3    370.3
  RXPE                14      0.0%      10   71.4%      29      161.0    282.0
  Other indexes       34      0.1%      23   67.6%      27     1357.4   4392.8

                                                           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         4,857     10.3%   2,240   46.1%       2       37.1    271.5
  Single          42,467     89.7%  15,949   37.6%       2       77.5    933.3



PRESENT commands, by type:
  MARC                                                      32.8%
  OPAC                                                      21.0%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)