MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
               Time period: 08/25/01 through 08/31/01



1.0  SUMMARY STATISTICS
_______________________


    Per hour usage:
         Time                    Searches        Records Presented
    _______________         _____________        _________________
    12-2  a.m.                      1,245                   16,213
     2-4  a.m.                        717                    5,728
     4-6  a.m.                        922                    6,910
     6-8  a.m.                      1,621                   16,880
     8-10 a.m.                      3,332                   62,530
    10-12 a.m.                      5,938                  158,077
    12-2  p.m.                      5,868                  104,723
     2-4  p.m.                      5,949                  119,690
     4-6  p.m.                      3,883                   76,394
     6-8  p.m.                      2,041                   33,344
     8-10 p.m.                      1,141                   45,691
    10-12 p.m.                      1,125                   20,334
    __________              _____________        _________________
        Total:                     33,782                  666,514

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                                                            70
Los Angeles                                                        1
Riverside                                                          0
San Diego                                                          0
San Francisco                                                      0
Santa Barbara                                                      0
Santa Cruz                                                         0
Lawrence Berkeley                                                  0
Lawrence Livermore                                                 0
Los Alamos                                                         0
MELWEB                                                             7
Searchlight                                                        0
Other - UC                                                    23,742
Other-Network UC                                               9,961
                                                               _____
                                                              33,782


1.2  Records Presented
______________________

Zero results may indicate no access to the database

Number of Records Presented by location:

Location                                                       Total
________                                                       _____
Berkeley                                                          16
Davis                                                              0
Irvine                                                           288
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                                                            89
Searchlight                                                        0
Other - UC                                                   646,507
Other-Network UC                                              19,614
                                                               _____
                                                             666,514

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                              1.2

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)                    20:06
Average session length (minutes:seconds)                   15:25
Longest session recorded (minutes:seconds)                212:47
Average number of searches completed per session             0.0
Retrievals per search - median                               1.0
Retrievals per search - average                             81.5
Retrievals per search - standard deviation                1068.0
Percent of searches completed with 0 results                42.3%

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                                          33,782          18.7%
  PRESENT                                        128,212          70.9%
  INIT or CLOSE                                   18,838          10.4%
  OTHER                                               42           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 TITLE16,020     42.0%   6,452   40.3%       5      235.2   1899.7
  EXACT PE TITLE   8,108     21.3%   2,051   25.3%       2       26.7    456.1
  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  1,238      3.2%   1,132   91.4%       2        7.9     16.8
  CORP AUTHOR      2,165      5.7%   1,961   90.6%       4       36.8     90.0
  EXACT CORP AUTH     93      0.2%      38   40.9%      12      302.7   1004.3
  SUBJECT          1,842      4.8%   1,217   66.1%      20      353.8   1115.3
  EXACT SUBJECT      261      0.7%      90   34.5%       9      284.8   1429.0
  SERIES              70      0.2%      62   88.6%       4       18.5     39.9
  EXACT SERIES        13      0.0%      10   76.9%       1        2.0      1.7
  CODEN               12      0.0%       2   16.7%       1        1.2      0.4
  ISBN             2,395      6.3%   2,395    100%       0        0.0      0.0
  LCCN               277      0.7%     265   95.7%       1        1.8      1.2
  ISSN             3,001      7.9%     235    7.8%       1        1.6      1.0
  INDEXED BY           3      0.0%       3    100%       0        0.0      0.0
  DLA ID               0      0.0%       0    0.0%       0        0.0      0.0
  LOCAL NUM           18      0.0%      15   83.3%      48       41.7     16.4
  GOV'T DOC NUM        3      0.0%       3    100%       0        0.0      0.0
  REPORT NUM           0      0.0%       0    0.0%       0        0.0      0.0
  STOCK NUM            1      0.0%       0    0.0%      12       12.0      0.0
  GPO ITEM NUM         1      0.0%       1    100%       0        0.0      0.0
  AT               2,505      6.6%     571   22.8%       2       42.9    299.9
  RPE                 43      0.1%      31   72.1%      12     1266.2   2878.4
  RXPE                 7      0.0%       6   85.7%       3        3.0      0.0
  Other indexes       23      0.1%      17   73.9%     655     5855.8  13078.0

                                                           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         4,202     12.4%   2,171   51.7%       2       44.2    305.1
  Single          29,580     87.6%  12,119   41.0%       3      152.6   1478.2



PRESENT commands, by type:
  MARC                                                      28.6%
  OPAC                                                      18.3%
SPEmm/dd srv.pe   MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)