MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 10/20/01 through 10/26/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 117 4,596
2-4 a.m. 63 1,878
4-6 a.m. 33 870
6-8 a.m. 38 1,415
8-10 a.m. 322 10,186
10-12 a.m. 751 16,057
12-2 p.m. 873 23,032
2-4 p.m. 1,129 26,032
4-6 p.m. 953 22,373
6-8 p.m. 432 9,759
8-10 p.m. 292 7,340
10-12 p.m. 211 6,071
__________ _____________ _________________
Total: 5,214 129,609
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 47
Davis 22
Irvine 1
Los Angeles 73
Riverside 12
San Diego 7
San Francisco 19
Santa Barbara 4
Santa Cruz 9
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,772
Other - UC 3,205
Other-Network UC 43
_____
5,214
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 152
Davis 79
Irvine 249
Los Angeles 807
Riverside 215
San Diego 15
San Francisco 471
Santa Barbara 164
Santa Cruz 140
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 125,179
Other-Network UC 2,138
_____
129,609
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.6
Standard deviation in seconds 5.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 1.4
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 10:50
Longest session recorded (minutes:seconds) 143:51
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1105.0
Retrievals per search - standard deviation 8721.1
Percent of searches completed with 0 results 27.0%
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 5,214 14.3%
PRESENT 28,041 76.9%
INIT or CLOSE 3,159 8.7%
OTHER 37 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:
PERSONAL AUTHOR 674 10.2% 174 25.8% 6 63.7 376.1
TITLE WORD 472 7.1% 147 31.1% 3 67.1 231.6
EXACT TITLE 81 1.2% 33 40.7% 2 22.3 62.4
JOURNAL 182 2.7% 71 39.0% 7 1096.7 5521.3
EXACT JOURNAL 456 6.9% 70 15.4% 574 2275.4 6149.2
SUBJECT 247 3.7% 142 57.5% 33 4344.8 18118.9
EXACT SUBJECT 129 1.9% 35 27.1% 49 2721.2 11113.8
KEYWORD 3,377 50.9% 876 25.9% 31 1557.2 11398.6
PUB TYPE 14 0.2% 2 14.3% 44 184.5 295.1
DATE 208 3.1% 59 28.4% 17 105.6 394.3
ADDED 40 0.6% 20 50.0% 17 52.0 62.0
LANGUAGE 65 1.0% 13 20.0% 17 132.6 438.9
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 16 0.2% 4 25.0% 37 4358.2 14802.4
COMPANY NAME 84 1.3% 28 33.3% 17 739.3 3098.8
EX COMPANY NAME 17 0.3% 2 11.8% 51 2530.1 5961.5
DUNS 3 0.0% 0 0.0% 28 5687.7 9808.9
TICKER SYMBOL 4 0.1% 1 25.0% 20 22.0 5.3
ID NUMBER 5 0.1% 1 20.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 51 0.8% 9 17.6% 17 203.9 513.8
AT 496 7.5% 87 17.5% 122 3451.5 20073.4
Other indexes 16 0.2% 11 68.8% 86 919.0 1911.9
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 1,112 21.3% 291 26.2% 21 1806.9 14279.2
Single 4,102 78.7% 1,118 27.3% 29 1433.6 8720.5
PRESENT commands, by type:
MARC 54.0%
OPAC 21.2%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)