MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 12/01/01 through 12/07/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,909                   24,385
     2-4  a.m.                        983                   13,517
     4-6  a.m.                        959                   13,497
     6-8  a.m.                      2,013                   15,019
     8-10 a.m.                      4,811                   67,331
    10-12 a.m.                      8,458                  126,063
    12-2  p.m.                      9,512                  177,116
     2-4  p.m.                     10,534                  184,386
     4-6  p.m.                      8,633                  150,849
     6-8  p.m.                      4,803                   74,280
     8-10 p.m.                      3,619                   58,517
    10-12 p.m.                      3,339                   49,796
    __________              _____________        _________________
        Total:                     59,573                  954,756

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                                                              3
Irvine                                                           147
Los Angeles                                                        4
Riverside                                                          0
San Diego                                                          1
San Francisco                                                      0
Santa Barbara                                                      1
Santa Cruz                                                         0
Lawrence Berkeley                                                  4
Lawrence Livermore                                                 5
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                    46,086
Other-Network UC                                              13,322
                                                               _____
                                                              59,573


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                           0
Davis                                                              2
Irvine                                                           335
Los Angeles                                                       13
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      4
Santa Cruz                                                         0
Lawrence Berkeley                                                 53
Lawrence Livermore                                                 9
Los Alamos                                                         0
MELWEB                                                             0
Searchlight                                                        0
Other - UC                                                   926,790
Other-Network UC                                              27,550
                                                               _____
                                                             954,756

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                              1.6

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)                    20:08
Average session length (minutes:seconds)                   16:29
Longest session recorded (minutes:seconds)                158:41
Average number of searches completed per session           11915
Retrievals per search - median                               1.0
Retrievals per search - average                             66.5
Retrievals per search - standard deviation                 872.0
Percent of searches completed with 0 results                38.9%

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                                          59,573          20.4%
  PRESENT                                        197,013          67.4%
  INIT or CLOSE                                   35,776          12.2%
  OTHER                                               57           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 TITLE24,675     36.4%   9,687   39.3%       5      182.0   1386.8
  EXACT PE TITLE  12,173     18.0%   2,763   22.7%       2       46.5   1105.6
  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  1,564      2.3%   1,464   93.6%       2        7.9     19.2
  CORP AUTHOR      3,008      4.4%   2,624   87.2%       7      135.6    846.3
  EXACT CORP AUTH    124      0.2%      48   38.7%      16      196.6    392.1
  SUBJECT          5,391      8.0%   3,408   63.2%      14      326.5   1418.9
  EXACT SUBJECT      396      0.6%     133   33.6%       8      251.7   1227.9
  SERIES              47      0.1%      39   83.0%       4        7.8     10.1
  EXACT SERIES        18      0.0%       6   33.3%       2        4.3      7.3
  CODEN               34      0.1%       9   26.5%       1        1.1      0.3
  ISBN             3,117      4.6%   3,116    100%       3        3.0      0.0
  LCCN             1,052      1.6%   1,007   95.7%       1        1.1      0.4
  ISSN            10,095     14.9%     801    7.9%       1        1.6      1.0
  INDEXED BY           4      0.0%       4    100%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM           56      0.1%      56    100%       0        0.0      0.0
  GOV'T DOC NUM       11      0.0%      11    100%       0        0.0      0.0
  REPORT NUM           4      0.0%       4    100%       0        0.0      0.0
  STOCK NUM            3      0.0%       3    100%       0        0.0      0.0
  GPO ITEM NUM         1      0.0%       0    0.0%       4        4.0      0.0
  AT               5,792      8.6%   1,595   27.5%       2       39.2    216.6
  RPE                 95      0.1%      73   76.8%       9      352.5   1361.7
  RXPE                32      0.0%      20   62.5%       7       19.8     33.4
  Other indexes       33      0.0%      21   63.6%     247     1602.3   3187.0

                                                           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         7,963     13.4%   3,582   45.0%       2       41.1    295.8
  Single          51,610     86.6%  19,571   37.9%       2      117.9   1181.5



PRESENT commands, by type:
  MARC                                                      31.8%
  OPAC                                                      21.1%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)