MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 06/02/01 through 06/08/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      2,269                   18,713
     2-4  a.m.                        986                   12,995
     4-6  a.m.                      1,224                    7,939
     6-8  a.m.                      1,524                   14,814
     8-10 a.m.                      3,577                   55,088
    10-12 a.m.                      6,020                  122,629
    12-2  p.m.                      7,332                  133,107
     2-4  p.m.                      7,932                  145,473
     4-6  p.m.                      6,121                  111,132
     6-8  p.m.                      3,880                   56,921
     8-10 p.m.                      3,053                   50,331
    10-12 p.m.                      2,544                   28,158
    __________              _____________        _________________
        Total:                     46,462                  757,300

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                                                            79
Los Angeles                                                       11
Riverside                                                          0
San Diego                                                          4
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                        33,171
Searchlight                                                    3,400
Other - UC                                                       146
Other-Network UC                                               9,651
                                                               _____
                                                              46,462


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                                                           105
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                                                       738,673
Searchlight                                                        0
Other - UC                                                       809
Other-Network UC                                              17,713
                                                               _____
                                                             757,300

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                              2.8

Present response time from receipt of present request
DLA until transmission of a present response:
  Average in seconds                                         0.1
  Standard deviation in seconds                              0.3


2.0  PERIODICALS Database Detailed Statistics
_________________________________________

Median session length (minutes:seconds)                    20:06
Average session length (minutes:seconds)                   15:50
Longest session recorded (minutes:seconds)                233:53
Average number of searches completed per session           46462
Retrievals per search - median                               1.0
Retrievals per search - average                             70.7
Retrievals per search - standard deviation                 855.1
Percent of searches completed with 0 results                37.6%

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                                          46,462          20.4%
  PRESENT                                        154,200          67.9%
  INIT or CLOSE                                   26,487          11.7%
  OTHER                                               71           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 TITLE20,198     38.0%   7,844   38.8%       5      199.7   1539.8
  EXACT PE TITLE  10,861     20.4%   2,662   24.5%       2       21.4    335.7
  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  1,421      2.7%   1,269   89.3%       2       24.3    154.4
  CORP AUTHOR      1,944      3.7%   1,636   84.2%      10      217.5   1065.8
  EXACT CORP AUTH    105      0.2%      38   36.2%       9      111.6    219.4
  SUBJECT          4,208      7.9%   2,675   63.6%      13      285.2   1105.1
  EXACT SUBJECT      344      0.6%     118   34.3%       7      484.7   2180.4
  SERIES              33      0.1%      30   90.9%       1        2.3      2.3
  EXACT SERIES        21      0.0%      12   57.1%       1       68.4    134.5
  CODEN               40      0.1%      13   32.5%       1        1.2      0.4
  ISBN             2,026      3.8%   2,026    100%       0        0.0      0.0
  LCCN                52      0.1%      43   82.7%       1        1.4      0.5
  ISSN             6,722     12.6%     491    7.3%       1        1.6      1.0
  INDEXED BY          14      0.0%      14    100%       0        0.0      0.0
  DLA ID               1      0.0%       1    100%       0        0.0      0.0
  LOCAL NUM           45      0.1%       1    2.2%      53       52.1      5.1
  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            9      0.0%       9    100%       0        0.0      0.0
  GPO ITEM NUM         3      0.0%       3    100%       0        0.0      0.0
  AT               4,990      9.4%   1,360   27.3%       2       35.6    193.4
  RPE                 55      0.1%      42   76.4%      19      172.7    492.4
  RXPE                29      0.1%      17   58.6%       8       19.5     39.0
  Other indexes       33      0.1%      23   69.7%      19      308.0    505.0

                                                           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         6,524     14.0%   2,695   41.3%       2       34.6    188.8
  Single          39,938     86.0%  14,788   37.0%       2      125.3   1157.0



PRESENT commands, by type:
  MARC                                                      32.1%
  OPAC                                                      21.3%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)