MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 01/27/01 through 02/02/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                        981                   16,938
     2-4  a.m.                        538                    9,154
     4-6  a.m.                        581                    6,195
     6-8  a.m.                      1,162                   12,964
     8-10 a.m.                      3,110                   60,095
    10-12 a.m.                      6,608                  150,607
    12-2  p.m.                      7,107                  139,265
     2-4  p.m.                      8,192                  178,361
     4-6  p.m.                      6,067                  111,108
     6-8  p.m.                      3,444                   63,166
     8-10 p.m.                      3,056                   44,745
    10-12 p.m.                      1,801                   36,360
    __________              _____________        _________________
        Total:                     42,647                  828,958

1.1  SEARCH commands
____________________

Zero results may indicate no access to the database

Number of SEARCH commands issued by location:
Location                                                       Total
________                                                       _____
Berkeley                                                           1
Davis                                                              0
Irvine                                                            80
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                        33,225
Searchlight                                                    3,329
Other - UC                                                       378
Other-Network UC                                               5,634
                                                               _____
                                                              42,647


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                                                           149
Los Angeles                                                        0
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                       810,781
Searchlight                                                        0
Other - UC                                                     3,998
Other-Network UC                                              14,030
                                                               _____
                                                             828,958

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                              1.5

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)                    20:16
Average session length (minutes:seconds)                   16:37
Longest session recorded (minutes:seconds)                164:21
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             79.0
Retrievals per search - standard deviation                 829.0
Percent of searches completed with 0 results                36.6%

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                                          42,647          18.8%
  PRESENT                                        160,323          70.7%
  INIT or CLOSE                                   23,804          10.5%
  OTHER                                               93           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 TITLE20,368     40.5%   7,153   35.1%       5      189.9   1359.5
  EXACT PE TITLE   9,769     19.4%   2,264   23.2%       2       29.6    381.8
  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  1,040      2.1%     927   89.1%       3       11.3     21.6
  CORP AUTHOR      2,114      4.2%   1,844   87.2%       6      139.3    846.9
  EXACT CORP AUTH    125      0.2%      52   41.6%       7      142.8    361.7
  SUBJECT          4,523      9.0%   2,884   63.8%      13      298.2   1255.3
  EXACT SUBJECT      487      1.0%     174   35.7%       6      230.3   1219.4
  SERIES              74      0.1%      64   86.5%       3        7.2     10.3
  EXACT SERIES        24      0.0%      14   58.3%      23       91.0    126.9
  CODEN               11      0.0%       4   36.4%       1        1.4      0.5
  ISBN               920      1.8%     919   99.9%       3        3.0      0.0
  LCCN                85      0.2%      80   94.1%       1        1.0      0.0
  ISSN             4,253      8.4%     275    6.5%       1        1.7      1.2
  INDEXED BY           9      0.0%       9    100%       0        0.0      0.0
  DLA ID               2      0.0%       0    0.0%       1        1.0      0.0
  LOCAL NUM           14      0.0%      12   85.7%       1        1.0      0.0
  GOV'T DOC NUM        5      0.0%       4   80.0%   9,814     9814.0      0.0
  REPORT NUM           2      0.0%       2    100%       0        0.0      0.0
  STOCK NUM            5      0.0%       4   80.0%       1        1.0      0.0
  GPO ITEM NUM         3      0.0%       3    100%       0        0.0      0.0
  AT               6,328     12.6%   1,797   28.4%       3       47.7    296.7
  RPE                110      0.2%      73   66.4%       8       60.1    131.4
  RXPE                23      0.0%      16   69.6%       5      204.9    527.0
  Other indexes       44      0.1%      25   56.8%     100     1264.6   2726.4

                                                           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         7,521     17.6%   2,865   38.1%       3       49.5    327.6
  Single          35,126     82.4%  12,723   36.2%       3      140.2   1130.4



PRESENT commands, by type:
  MARC                                                      29.6%
  OPAC                                                      21.0%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)