MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 12/29/01 through 01/04/02



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                        958                    6,994
     2-4  a.m.                        516                    5,249
     4-6  a.m.                        507                    2,134
     6-8  a.m.                        957                    9,893
     8-10 a.m.                      2,323                   48,354
    10-12 a.m.                      3,931                   75,065
    12-2  p.m.                      3,775                   73,352
     2-4  p.m.                      4,196                   79,007
     4-6  p.m.                      2,876                   64,858
     6-8  p.m.                      1,408                   15,726
     8-10 p.m.                        968                   19,306
    10-12 p.m.                      1,269                   14,456
    __________              _____________        _________________
        Total:                     23,684                  414,394

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                           2
Davis                                                              0
Irvine                                                            17
Los Angeles                                                        5
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         1
Lawrence Berkeley                                                  2
Lawrence Livermore                                                 3
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                    15,445
Other-Network UC                                               8,209
                                                               _____
                                                              23,684


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                                                            22
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 3
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                   393,441
Other-Network UC                                              20,928
                                                               _____
                                                             414,394

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)                   13:55
Longest session recorded (minutes:seconds)                218:32
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             59.5
Retrievals per search - standard deviation                 756.4
Percent of searches completed with 0 results                37.8%

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                                          23,684          19.8%
  PRESENT                                         80,885          67.8%
  INIT or CLOSE                                   14,720          12.3%
  OTHER                                               26           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 TITLE11,367     43.3%   3,956   34.8%       6      139.7   1081.8
  EXACT PE TITLE   4,885     18.6%   1,290   26.4%       2       61.8   1100.2
  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    831      3.2%     747   89.9%       4       61.8    236.9
  CORP AUTHOR      1,236      4.7%   1,074   86.9%       7       48.0    182.0
  EXACT CORP AUTH     58      0.2%      23   39.7%       9      162.9    352.2
  SUBJECT            894      3.4%     570   63.8%      19      363.6   1085.8
  EXACT SUBJECT      122      0.5%      42   34.4%      13      156.1    400.2
  SERIES              13      0.0%      11   84.6%       3        2.5      0.7
  EXACT SERIES         4      0.0%       0    0.0%       2       11.3     19.8
  CODEN               12      0.0%       4   33.3%       1        1.1      0.4
  ISBN             1,438      5.5%   1,438    100%       0        0.0      0.0
  LCCN               367      1.4%     353   96.2%       1        1.1      0.3
  ISSN             3,389     12.9%     339   10.0%       1        1.7      1.1
  INDEXED BY           1      0.0%       1    100%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM           57      0.2%      56   98.2%       1        1.0      0.0
  GOV'T DOC NUM        2      0.0%       2    100%       0        0.0      0.0
  REPORT NUM           0      0.0%       0    0.0%       0        0.0      0.0
  STOCK NUM            0      0.0%       0    0.0%       0        0.0      0.0
  GPO ITEM NUM         0      0.0%       0    0.0%       0        0.0      0.0
  AT               1,574      6.0%     296   18.8%       2       44.7    261.0
  RPE                 24      0.1%      16   66.7%       3       15.4     35.5
  RXPE                 2      0.0%       1   50.0%       1        1.0      0.0
  Other indexes        3      0.0%       2   66.7%      56       56.0      0.0

                                                           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         2,529     10.7%   1,202   47.5%       2       44.6    257.1
  Single          21,155     89.3%   7,756   36.7%       3      100.8   1000.3



PRESENT commands, by type:
  MARC                                                      28.3%
  OPAC                                                      21.1%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)