MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 06/01/02 through 06/07/02



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      2,288                   30,702
     2-4  a.m.                      2,052                   13,301
     4-6  a.m.                      1,556                    8,864
     6-8  a.m.                      4,705                   15,242
     8-10 a.m.                      7,174                   72,493
    10-12 a.m.                      9,186                  115,811
    12-2  p.m.                     10,042                  126,527
     2-4  p.m.                     10,823                  161,660
     4-6  p.m.                      8,002                   99,063
     6-8  p.m.                      4,637                   49,090
     8-10 p.m.                      3,556                   36,668
    10-12 p.m.                      2,813                   30,575
    __________              _____________        _________________
        Total:                     66,834                  759,996

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                                                             0
Los Angeles                                                       11
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  1
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                        45,148
Searchlight                                                    1,866
Other - UC                                                       168
Other-Network UC                                              19,640
                                                               _____
                                                              66,834


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                                                             0
Los Angeles                                                       16
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                       719,733
Searchlight                                                        0
Other - UC                                                     2,345
Other-Network UC                                              37,902
                                                               _____
                                                             759,996

1.3  Response time
__________________

Search response time from receipt of search request
DLA until transmission of search response:
  Average in seconds                                         0.1
  Standard deviation in seconds                              0.6

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)                   16:43
Longest session recorded (minutes:seconds)                305:00
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             37.8
Retrievals per search - standard deviation                 695.3
Percent of searches completed with 0 results                36.6%

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                                          66,834          23.0%
  PRESENT                                        183,372          63.1%
  INIT or CLOSE                                   40,253          13.9%
  OTHER                                               53           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 TITLE22,353     30.1%   9,779   43.7%       5      139.6   1421.9
  EXACT PE TITLE  11,585     15.6%   2,315   20.0%       2       27.8    674.8
  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  1,633      2.2%   1,500   91.9%       2       25.4    122.7
  CORP AUTHOR      3,301      4.4%   3,003   91.0%       6       79.6    298.2
  EXACT CORP AUTH     97      0.1%      44   45.4%       8      107.5    263.2
  SUBJECT          4,285      5.8%   2,783   64.9%      13      257.3   1041.3
  EXACT SUBJECT      255      0.3%      62   24.3%       8      354.0   1953.1
  SERIES              42      0.1%      24   57.1%       8      304.9   1199.2
  EXACT SERIES        12      0.0%       3   25.0%       6      127.7    191.3
  CODEN                3      0.0%       3    100%       0        0.0      0.0
  ISBN             4,564      6.1%   4,563    100%       1        1.0      0.0
  LCCN               498      0.7%     490   98.4%       1        1.3      0.5
  ISSN            20,411     27.4%   2,022    9.9%       1        1.6      1.0
  INDEXED BY           5      0.0%       5    100%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM          178      0.2%     177   99.4%      53       53.0      0.0
  GOV'T DOC NUM        7      0.0%       7    100%       0        0.0      0.0
  REPORT NUM           2      0.0%       2    100%       0        0.0      0.0
  STOCK NUM            2      0.0%       2    100%       0        0.0      0.0
  GPO ITEM NUM         0      0.0%       0    0.0%       0        0.0      0.0
  AT               5,047      6.8%   1,289   25.5%       2       34.4    244.3
  RPE                 38      0.1%      27   71.1%      40       61.7     69.3
  RXPE                 8      0.0%       7   87.5%       3        3.0      0.0
  Other indexes       25      0.0%      21   84.0%     232      255.8    223.4

                                                           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         7,375     11.0%   3,530   47.9%       2       35.9    256.5
  Single          59,459     89.0%  20,943   35.2%       2       62.1    911.6



PRESENT commands, by type:
  MARC                                                      36.2%
  OPAC                                                      23.9%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)