MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 07/14/01 through 07/20/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,885                   13,475
     2-4  a.m.                        791                    8,195
     4-6  a.m.                      1,054                    5,587
     6-8  a.m.                      2,005                   14,614
     8-10 a.m.                      4,329                   57,605
    10-12 a.m.                      6,125                  142,256
    12-2  p.m.                      6,070                  126,350
     2-4  p.m.                      7,187                  158,805
     4-6  p.m.                      4,500                   98,270
     6-8  p.m.                      2,087                   35,568
     8-10 p.m.                      1,175                   19,772
    10-12 p.m.                      1,394                   18,803
    __________              _____________        _________________
        Total:                     38,602                  699,300

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                                                              4
Irvine                                                           116
Los Angeles                                                        5
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                            11
Searchlight                                                        0
Other - UC                                                    28,184
Other-Network UC                                              10,282
                                                               _____
                                                              38,602


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                                                           345
Los Angeles                                                       89
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                           172
Searchlight                                                        0
Other - UC                                                   676,986
Other-Network UC                                              21,708
                                                               _____
                                                             699,300

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                              4.0

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)                    20:03
Average session length (minutes:seconds)                   15:25
Longest session recorded (minutes:seconds)                297:29
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             76.9
Retrievals per search - standard deviation                 946.3
Percent of searches completed with 0 results                40.7%

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                                          38,602          19.2%
  PRESENT                                        140,550          70.0%
  INIT or CLOSE                                   21,386          10.7%
  OTHER                                              159           0.1%
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 TITLE17,986     40.4%   7,396   41.1%       5      211.7   1496.2
  EXACT PE TITLE   9,409     21.1%   2,247   23.9%       2       39.8   1034.2
  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  1,396      3.1%   1,255   89.9%       4       31.5    122.1
  CORP AUTHOR      2,490      5.6%   2,214   88.9%       6       51.9    176.0
  EXACT CORP AUTH     56      0.1%      15   26.8%       4      129.0    303.8
  SUBJECT          2,455      5.5%   1,573   64.1%      14      393.9   1592.0
  EXACT SUBJECT      225      0.5%      56   24.9%      10      351.3   1745.7
  SERIES              33      0.1%      29   87.9%       3      321.8    638.8
  EXACT SERIES         6      0.0%       3   50.0%       1        2.0      1.7
  CODEN               23      0.1%       2    8.7%       1        1.1      0.3
  ISBN             2,562      5.8%   2,562    100%       0        0.0      0.0
  LCCN               207      0.5%     192   92.8%       1        1.1      0.3
  ISSN             4,007      9.0%     237    5.9%       1        1.6      1.1
  INDEXED BY           6      0.0%       2   33.3%     132      169.8     75.5
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM           17      0.0%      15   88.2%      23       22.5     29.0
  GOV'T DOC NUM        1      0.0%       1    100%       0        0.0      0.0
  REPORT NUM           1      0.0%       1    100%       0        0.0      0.0
  STOCK NUM            0      0.0%       0    0.0%       0        0.0      0.0
  GPO ITEM NUM         1      0.0%       1    100%       0        0.0      0.0
  AT               3,548      8.0%     904   25.5%       2       29.5    163.1
  RPE                 39      0.1%      23   59.0%      10      383.6    675.7
  RXPE                15      0.0%       4   26.7%       3       30.3     67.1
  Other indexes       19      0.0%      11   57.9%      34      702.3   1894.8

                                                           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         5,752     14.9%   2,938   51.1%       2       30.7    170.8
  Single          32,850     85.1%  12,757   38.8%       3      143.5   1306.5



PRESENT commands, by type:
  MARC                                                      29.7%
  OPAC                                                      19.1%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)