MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 01/12/02 through 01/18/02



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,648                   12,030
     2-4  a.m.                        936                   11,384
     4-6  a.m.                      1,185                    7,924
     6-8  a.m.                      2,432                   24,829
     8-10 a.m.                      5,210                   68,301
    10-12 a.m.                      9,533                  154,255
    12-2  p.m.                      8,774                  128,615
     2-4  p.m.                      9,468                  176,671
     4-6  p.m.                      7,335                  121,380
     6-8  p.m.                      3,917                   57,190
     8-10 p.m.                      2,286                   35,117
    10-12 p.m.                      2,204                   31,331
    __________              _____________        _________________
        Total:                     54,928                  829,027

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                                                             30
Irvine                                                            85
Los Angeles                                                        2
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      1
Santa Cruz                                                         2
Lawrence Berkeley                                                  2
Lawrence Livermore                                                 1
Los Alamos                                                         0
MELWEB                                                        37,185
Searchlight                                                    2,221
Other - UC                                                       219
Other-Network UC                                              15,175
                                                               _____
                                                              54,928


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                           0
Davis                                                             79
Irvine                                                           162
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                        25
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 2
Los Alamos                                                         0
MELWEB                                                       791,440
Searchlight                                                        0
Other - UC                                                     1,935
Other-Network UC                                              35,384
                                                               _____
                                                             829,027

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                              1.0

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)                    20:02
Average session length (minutes:seconds)                   15:28
Longest session recorded (minutes:seconds)                244:52
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             72.5
Retrievals per search - standard deviation                 948.8
Percent of searches completed with 0 results                37.4%

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                                          54,928          20.8%
  PRESENT                                        174,708          66.3%
  INIT or CLOSE                                   33,982          12.9%
  OTHER                                               70           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 TITLE24,435     39.6%   9,407   38.5%       6      203.0   1646.2
  EXACT PE TITLE  10,193     16.5%   2,344   23.0%       2       35.0    789.7
  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  1,501      2.4%   1,376   91.7%       2       28.9    147.5
  CORP AUTHOR      2,686      4.3%   2,411   89.8%       8      170.4    679.0
  EXACT CORP AUTH    109      0.2%      42   38.5%      10      182.1    355.0
  SUBJECT          3,439      5.6%   2,104   61.2%      17      349.0   1187.3
  EXACT SUBJECT      358      0.6%     135   37.7%      11      410.9   2006.5
  SERIES              41      0.1%      38   92.7%       3        5.0      4.4
  EXACT SERIES        10      0.0%       5   50.0%      10       69.4    128.7
  CODEN               41      0.1%      15   36.6%       1        1.3      0.5
  ISBN             3,064      5.0%   3,064    100%       0        0.0      0.0
  LCCN               792      1.3%     781   98.6%       1        1.7      1.1
  ISSN            10,165     16.5%     617    6.1%       1        1.7      1.1
  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          109      0.2%     107   98.2%      13       12.5     16.3
  GOV'T DOC NUM        5      0.0%       4   80.0%      53       53.0      0.0
  REPORT NUM           3      0.0%       3    100%       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               4,703      7.6%   1,077   22.9%       2       44.5    306.1
  RPE                 47      0.1%      26   55.3%       5      329.6   1314.7
  RXPE                23      0.0%      11   47.8%       3       10.3     20.1
  Other indexes       30      0.0%      16   53.3%      90     2876.0   6550.5

                                                           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         6,697     12.2%   2,945   44.0%       2       50.5    425.9
  Single          48,231     87.8%  17,581   36.4%       2      123.7   1259.0



PRESENT commands, by type:
  MARC                                                      31.3%
  OPAC                                                      24.0%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)