MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 01/05/02 through 01/11/02



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,698                   13,401
     2-4  a.m.                        915                    9,567
     4-6  a.m.                        983                    7,826
     6-8  a.m.                      2,269                   19,408
     8-10 a.m.                      4,915                   55,030
    10-12 a.m.                      7,779                  124,515
    12-2  p.m.                      7,551                  129,985
     2-4  p.m.                      8,608                  164,913
     4-6  p.m.                      6,090                  128,108
     6-8  p.m.                      2,736                   34,350
     8-10 p.m.                      2,044                   29,757
    10-12 p.m.                      2,259                   19,567
    __________              _____________        _________________
        Total:                     47,847                  736,427

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                                                             24
Irvine                                                            61
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                         35
San Francisco                                                      1
Santa Barbara                                                      1
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 5
Los Alamos                                                         0
MELWEB                                                        31,098
Searchlight                                                    1,443
Other - UC                                                       220
Other-Network UC                                              14,959
                                                               _____
                                                              47,847


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                           0
Davis                                                            129
Irvine                                                           135
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                         22
San Francisco                                                     22
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                10
Los Alamos                                                         0
MELWEB                                                       703,176
Searchlight                                                        0
Other - UC                                                     2,995
Other-Network UC                                              29,938
                                                               _____
                                                             736,427

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                              0.8

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)                    20:02
Average session length (minutes:seconds)                   15:17
Longest session recorded (minutes:seconds)                169:45
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             66.2
Retrievals per search - standard deviation                 843.9
Percent of searches completed with 0 results                39.1%

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                                          47,847          20.9%
  PRESENT                                        152,143          66.5%
  INIT or CLOSE                                   28,783          12.6%
  OTHER                                               44           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 TITLE20,756     38.5%   7,859   37.9%       6      188.7   1494.6
  EXACT PE TITLE   9,910     18.4%   2,234   22.5%       2       37.0    598.3
  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  1,538      2.9%   1,435   93.3%       3       19.7     51.4
  CORP AUTHOR      2,449      4.5%   2,212   90.3%       6      109.4    603.8
  EXACT CORP AUTH     84      0.2%      26   30.9%      18      156.9    287.4
  SUBJECT          2,181      4.0%   1,354   62.1%      16      397.2   1241.1
  EXACT SUBJECT      207      0.4%      61   29.5%      15      558.2   2305.8
  SERIES              53      0.1%      46   86.8%       3       29.7     54.0
  EXACT SERIES         3      0.0%       1   33.3%      13       12.5      4.9
  CODEN               14      0.0%       4   28.6%       1        1.1      0.3
  ISBN             3,414      6.3%   3,414    100%       0        0.0      0.0
  LCCN             1,143      2.1%   1,122   98.2%       1        1.3      0.6
  ISSN             7,904     14.7%     691    8.7%       1        1.6      1.0
  INDEXED BY           0      0.0%       0    0.0%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM           58      0.1%      56   96.6%      22       21.5     29.0
  GOV'T DOC NUM        3      0.0%       3    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         2      0.0%       2    100%       0        0.0      0.0
  AT               4,080      7.6%     801   19.6%       2       45.7    482.5
  RPE                 20      0.0%      10   50.0%      58      131.3    187.7
  RXPE                21      0.0%       9   42.9%       4      126.0    362.5
  Other indexes       19      0.0%      13   68.4%     109      115.3     74.0

                                                           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         5,909     12.3%   2,543   43.0%       2       47.6    492.8
  Single          41,938     87.6%  16,179   38.6%       2      116.8   1133.7



PRESENT commands, by type:
  MARC                                                      30.8%
  OPAC                                                      22.9%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)