MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 03/23/02 through 03/29/02



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,441                   17,048
     2-4  a.m.                        901                    5,075
     4-6  a.m.                      1,246                    6,802
     6-8  a.m.                      2,276                   12,468
     8-10 a.m.                      5,003                   58,860
    10-12 a.m.                      7,101                  138,698
    12-2  p.m.                      7,528                  147,935
     2-4  p.m.                      7,839                  140,596
     4-6  p.m.                      5,457                   86,742
     6-8  p.m.                      2,474                   31,919
     8-10 p.m.                      1,492                   18,964
    10-12 p.m.                      2,262                   22,670
    __________              _____________        _________________
        Total:                     45,020                  687,777

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                           5
Davis                                                              0
Irvine                                                            21
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          1
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  4
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                        28,390
Searchlight                                                    1,227
Other - UC                                                       298
Other-Network UC                                              15,074
                                                               _____
                                                              45,020


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                                                            15
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                138
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                       661,037
Searchlight                                                        0
Other - UC                                                     2,660
Other-Network UC                                              23,927
                                                               _____
                                                             687,777

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                              0.2


2.0  PERIODICALS Database Detailed Statistics
_________________________________________

Median session length (minutes:seconds)                    20:02
Average session length (minutes:seconds)                   15:26
Longest session recorded (minutes:seconds)                229:05
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             45.7
Retrievals per search - standard deviation                 639.4
Percent of searches completed with 0 results                42.7%

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                                          45,020          20.7%
  PRESENT                                        146,669          67.3%
  INIT or CLOSE                                   26,184          12.0%
  OTHER                                               60           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 TITLE19,085     38.0%   8,671   45.4%       4      139.6   1063.4
  EXACT PE TITLE   9,753     19.4%   2,231   22.9%       2       30.1    743.3
  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  1,617      3.2%   1,506   93.1%       2        9.7     26.7
  CORP AUTHOR      2,625      5.2%   2,416   92.0%       6      153.3    637.7
  EXACT CORP AUTH     76      0.2%      35   46.1%       4      398.5   1596.8
  SUBJECT          1,800      3.6%   1,204   66.9%      19      423.0   1365.4
  EXACT SUBJECT      261      0.5%     107   41.0%       9      404.9   2406.6
  SERIES              74      0.1%      63   85.1%       4       31.2     74.7
  EXACT SERIES         5      0.0%       2   40.0%       2      320.0    551.7
  CODEN               16      0.0%       9   56.3%       1        1.0      0.0
  ISBN             3,854      7.7%   3,854    100%       0        0.0      0.0
  LCCN               508      1.0%     502   98.8%       1        1.0      0.0
  ISSN             7,390     14.7%     551    7.5%       1        1.6      1.1
  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          109      0.2%     107   98.2%       1        1.0      0.0
  GOV'T DOC NUM       29      0.1%      28   96.6%      53       53.0      0.0
  REPORT NUM           1      0.0%       1    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               2,984      5.9%     641   21.5%       2       29.3    244.7
  RPE                 23      0.0%      12   52.2%      28      629.5   1803.3
  RXPE                12      0.0%       8   66.7%       6        5.5      4.7
  Other indexes       14      0.0%      11   78.6%      43      125.0    179.6

                                                           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         5,138     11.4%   2,658   51.7%       2       29.1    240.1
  Single          39,882     88.6%  16,577   41.6%       2       85.2    883.4



PRESENT commands, by type:
  MARC                                                      30.7%
  OPAC                                                      18.9%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)