MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 03/30/02 through 04/05/02



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,530                   17,954
     2-4  a.m.                        788                    4,754
     4-6  a.m.                      1,005                    4,691
     6-8  a.m.                      2,076                   14,007
     8-10 a.m.                      4,844                   64,317
    10-12 a.m.                      8,356                  145,434
    12-2  p.m.                      8,754                  154,835
     2-4  p.m.                      9,051                  175,623
     4-6  p.m.                      6,723                  115,851
     6-8  p.m.                      3,178                   61,634
     8-10 p.m.                      2,120                   34,811
    10-12 p.m.                      2,429                   40,869
    __________              _____________        _________________
        Total:                     50,854                  834,780

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                          37
Davis                                                              0
Irvine                                                             0
Los Angeles                                                        0
Riverside                                                          1
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         1
Lawrence Berkeley                                                  4
Lawrence Livermore                                                 2
Los Alamos                                                         0
MELWEB                                                        35,615
Searchlight                                                    1,644
Other - UC                                                       644
Other-Network UC                                              12,906
                                                               _____
                                                              50,854


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                         127
Davis                                                              0
Irvine                                                             0
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                 51
Lawrence Livermore                                                 5
Los Alamos                                                         0
MELWEB                                                       805,954
Searchlight                                                        0
Other - UC                                                     5,845
Other-Network UC                                              22,798
                                                               _____
                                                             834,780

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                              0.9

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)                    20:06
Average session length (minutes:seconds)                   16:34
Longest session recorded (minutes:seconds)                250:25
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             57.4
Retrievals per search - standard deviation                 919.9
Percent of searches completed with 0 results                37.2%

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                                          50,854          19.5%
  PRESENT                                        179,492          68.7%
  INIT or CLOSE                                   30,951          11.8%
  OTHER                                               69           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 TITLE20,618     36.2%   8,446   41.0%       5      161.3   1534.1
  EXACT PE TITLE  10,280     18.1%   2,000   19.5%       2       53.8   1206.7
  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  1,375      2.4%   1,276   92.8%       2      197.9   1704.9
  CORP AUTHOR      2,749      4.8%   2,494   90.7%       7      109.8    457.3
  EXACT CORP AUTH     83      0.1%      32   38.6%      12      189.4    352.5
  SUBJECT          2,692      4.7%   1,660   61.7%      18      378.8   1199.6
  EXACT SUBJECT      319      0.6%      86   27.0%      15      245.0   1351.7
  SERIES              48      0.1%      41   85.4%       2        7.9      9.8
  EXACT SERIES        14      0.0%       5   35.7%       3       52.6    113.2
  CODEN               23      0.0%       1    4.3%       1        1.1      0.4
  ISBN             3,262      5.7%   3,262    100%       0        0.0      0.0
  LCCN               494      0.9%     480   97.2%       1        1.1      0.3
  ISSN            10,700     18.8%     790    7.4%       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           52      0.1%      52    100%       0        0.0      0.0
  GOV'T DOC NUM        1      0.0%       1    100%       0        0.0      0.0
  REPORT NUM           0      0.0%       0    0.0%       0        0.0      0.0
  STOCK NUM            1      0.0%       1    100%       0        0.0      0.0
  GPO ITEM NUM         8      0.0%       4   50.0%       2        4.5      5.7
  AT               4,163      7.3%     829   19.9%       2       46.4    431.5
  RPE                 26      0.0%      20   76.9%       3        5.3      6.3
  RXPE                12      0.0%       8   66.7%       7       10.5     12.5
  Other indexes        9      0.0%       4   44.4%     123     1051.2   2176.2

                                                           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         5,994     11.8%   2,517   42.0%       2       50.2    511.0
  Single          44,860     88.2%  16,387   36.5%       2       96.3   1214.8



PRESENT commands, by type:
  MARC                                                      31.1%
  OPAC                                                      20.2%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)