MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 09/29/01 through 10/05/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 99 2,685
2-4 a.m. 16 633
4-6 a.m. 8 55
6-8 a.m. 36 751
8-10 a.m. 217 2,900
10-12 a.m. 491 6,802
12-2 p.m. 574 10,276
2-4 p.m. 675 16,288
4-6 p.m. 506 10,112
6-8 p.m. 219 5,793
8-10 p.m. 213 7,119
10-12 p.m. 139 5,636
__________ _____________ _________________
Total: 3,193 69,050
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 13
Davis 20
Irvine 7
Los Angeles 46
Riverside 2
San Diego 13
San Francisco 2
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,090
Other - UC 1,987
Other-Network UC 11
_____
3,193
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 38
Davis 161
Irvine 82
Los Angeles 329
Riverside 0
San Diego 1
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 67,982
Other-Network UC 456
_____
69,050
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 1.4
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) 0:12
Average session length (minutes:seconds) 11:00
Longest session recorded (minutes:seconds) 143:43
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 947.0
Retrievals per search - standard deviation 4824.6
Percent of searches completed with 0 results 29.0%
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 3,193 17.0%
PRESENT 13,538 71.9%
INIT or CLOSE 2,092 11.1%
OTHER 8 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:
PERSONAL AUTHOR 475 12.1% 131 27.6% 4 23.8 84.2
TITLE WORD 379 9.7% 108 28.5% 4 281.6 845.1
EXACT TITLE 57 1.5% 26 45.6% 1 49.3 253.7
JOURNAL 146 3.7% 64 43.8% 28 3428.6 9812.6
EXACT JOURNAL 424 10.8% 60 14.2% 523 2403.0 6243.3
SUBJECT 145 3.7% 75 51.7% 31 1369.0 8407.9
EXACT SUBJECT 71 1.8% 18 25.4% 71 2898.2 8511.2
KEYWORD 1,793 45.8% 564 31.5% 32 1244.6 5763.4
PUB TYPE 45 1.1% 7 15.6% 28 151.3 244.5
DATE 74 1.9% 23 31.1% 20 100.5 298.8
ADDED 25 0.6% 19 76.0% 11 22.5 24.1
LANGUAGE 34 0.9% 9 26.5% 58 2570.5 8213.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 5 0.1% 3 60.0% 30 30.0 22.6
COMPANY NAME 49 1.3% 12 24.5% 84 275.0 518.3
EX COMPANY NAME 1 0.0% 0 0.0% 3,501 3501.0 0.0
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 0 0.0% 0 0.0% 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 16 0.4% 2 12.5% 103 2107.4 3519.7
AT 174 4.4% 33 19.0% 28 1575.6 5068.2
Other indexes 5 0.1% 4 80.0% 1 1.0 0.0
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 596 18.7% 193 32.4% 9 674.3 3156.8
Single 2,597 81.3% 733 28.2% 42 1476.4 6081.8
PRESENT commands, by type:
MARC 49.3%
OPAC 21.1%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)