MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/09/01 through 06/15/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 124 3,949
2-4 a.m. 156 2,202
4-6 a.m. 11 184
6-8 a.m. 60 1,562
8-10 a.m. 181 3,588
10-12 a.m. 579 13,882
12-2 p.m. 572 14,905
2-4 p.m. 786 22,052
4-6 p.m. 571 18,625
6-8 p.m. 348 8,238
8-10 p.m. 280 8,974
10-12 p.m. 197 6,692
__________ _____________ _________________
Total: 3,865 104,853
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 14
Davis 9
Irvine 3
Los Angeles 34
Riverside 0
San Diego 15
San Francisco 24
Santa Barbara 10
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,582
Searchlight 1,143
Other - UC 18
Other-Network UC 13
_____
3,865
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 86
Davis 134
Irvine 77
Los Angeles 223
Riverside 0
San Diego 2
San Francisco 58
Santa Barbara 66
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 102,214
Searchlight 1,650
Other - UC 170
Other-Network UC 173
_____
104,853
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 2.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:33
Average session length (minutes:seconds) 12:45
Longest session recorded (minutes:seconds) 143:12
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 677.4
Retrievals per search - standard deviation 3875.7
Percent of searches completed with 0 results 29.4%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,865 14.9%
PRESENT 19,774 76.3%
INIT or CLOSE 2,266 8.7%
OTHER 20 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 581 11.7% 154 26.5% 6 49.4 272.9
TITLE WORD 381 7.7% 124 32.5% 6 92.5 350.5
EXACT TITLE 50 1.0% 24 48.0% 2 10.5 24.4
JOURNAL 168 3.4% 79 47.0% 8 299.8 793.9
EXACT JOURNAL 409 8.3% 60 14.7% 556 2368.6 5545.6
SUBJECT 236 4.8% 133 56.4% 46 1086.6 4407.4
EXACT SUBJECT 112 2.3% 37 33.0% 41 2376.7 6133.2
KEYWORD 2,306 46.6% 709 30.7% 25 903.4 5033.7
PUB TYPE 65 1.3% 7 10.8% 26 212.9 724.4
DATE 167 3.4% 47 28.1% 18 94.7 199.8
ADDED 28 0.6% 19 67.9% 10 36.1 45.6
LANGUAGE 55 1.1% 19 34.5% 39 669.6 1945.8
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 19 0.4% 7 36.8% 4 18.7 38.7
COMPANY NAME 128 2.6% 43 33.6% 32 189.6 459.0
EX COMPANY NAME 8 0.2% 1 12.5% 3 11.6 14.4
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 1 100% 0 0.0 0.0
ID NUMBER 0 0.0% 0 0.0% 0 0.0 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 37 0.7% 7 18.9% 17 1309.1 5858.2
AT 192 3.9% 35 18.2% 82 1488.7 4596.3
Other indexes 6 0.1% 1 16.7% 26 21.0 19.2
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 878 22.7% 288 32.8% 15 578.9 2832.1
Single 2,987 77.3% 850 28.5% 32 1065.3 4956.1
PRESENT commands, by type:
MARC 46.2%
OPAC 20.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)