MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 10/20/01 through 10/26/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      2,334                   31,168
     2-4  a.m.                      1,218                   10,342
     4-6  a.m.                      1,202                    9,424
     6-8  a.m.                      2,265                   27,067
     8-10 a.m.                      5,177                   78,796
    10-12 a.m.                      8,527                  152,265
    12-2  p.m.                      9,004                  147,556
     2-4  p.m.                     11,299                  201,571
     4-6  p.m.                      7,977                  127,704
     6-8  p.m.                      4,634                   71,188
     8-10 p.m.                      3,325                   58,440
    10-12 p.m.                      2,480                   47,518
    __________              _____________        _________________
        Total:                     59,442                  963,039

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                                                            51
Los Angeles                                                        7
Riverside                                                          1
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  4
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                    45,883
Other-Network UC                                              13,496
                                                               _____
                                                              59,442


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                                                           407
Los Angeles                                                        0
Riverside                                                          2
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                   942,085
Other-Network UC                                              20,545
                                                               _____
                                                             963,039

1.3  Response time
__________________

Search response time from receipt of search request
DLA until transmission of search response:
  Average in seconds                                         0.3
  Standard deviation in seconds                              1.7

Present response time from receipt of present request
DLA until transmission of a present response:
  Average in seconds                                         0.2
  Standard deviation in seconds                              1.3


2.0  PERIODICALS Database Detailed Statistics
_________________________________________

Median session length (minutes:seconds)                    20:09
Average session length (minutes:seconds)                   16:16
Longest session recorded (minutes:seconds)                190:35
Average number of searches completed per session           14861
Retrievals per search - median                               1.0
Retrievals per search - average                             68.8
Retrievals per search - standard deviation                 925.5
Percent of searches completed with 0 results                40.5%

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                                          59,442          20.4%
  PRESENT                                        196,545          67.5%
  INIT or CLOSE                                   34,923          12.0%
  OTHER                                               59           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 TITLE25,544     37.0%  10,478   41.0%       5      182.0   1553.6
  EXACT PE TITLE  12,167     17.6%   3,017   24.8%       2       44.9   1006.8
  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  1,875      2.7%   1,721   91.8%       2       25.4    202.2
  CORP AUTHOR      3,374      4.9%   3,052   90.5%       7       89.4    456.0
  EXACT CORP AUTH    144      0.2%      61   42.4%       7      104.4    194.0
  SUBJECT          6,298      9.1%   3,962   62.9%      15      339.9   1326.0
  EXACT SUBJECT      493      0.7%     183   37.1%       9      235.8   1273.7
  SERIES              63      0.1%      52   82.5%       3       75.6    174.9
  EXACT SERIES        17      0.0%       8   47.1%       2      128.1    311.5
  CODEN               14      0.0%       7   50.0%       2        1.9      0.4
  ISBN             2,658      3.8%   2,657    100%       3        3.0      0.0
  LCCN               589      0.9%     576   97.8%       1        1.7      1.1
  ISSN             8,682     12.6%     618    7.1%       1        1.6      1.0
  INDEXED BY           6      0.0%       6    100%       0        0.0      0.0
  DLA ID               1      0.0%       1    100%       0        0.0      0.0
  LOCAL NUM           10      0.0%       7   70.0%      16       21.0     21.9
  GOV'T DOC NUM        7      0.0%       7    100%       0        0.0      0.0
  REPORT NUM           4      0.0%       4    100%       0        0.0      0.0
  STOCK NUM            4      0.0%       4    100%       0        0.0      0.0
  GPO ITEM NUM         3      0.0%       3    100%       0        0.0      0.0
  AT               7,003     10.1%   1,939   27.7%       3       46.3    291.9
  RPE                 81      0.1%      61   75.3%       4       54.4    106.6
  RXPE                21      0.0%      12   57.1%       5        8.3      9.1
  Other indexes       45      0.1%      28   62.2%     499     1428.9   2096.6

                                                           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         9,468     15.9%   4,194   44.3%       3       46.7    296.4
  Single          49,974     84.1%  19,907   39.8%       2      127.7   1292.6



PRESENT commands, by type:
  MARC                                                      30.8%
  OPAC                                                      21.0%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)