MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 08/11/01 through 08/17/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 40 515
2-4 a.m. 16 70
4-6 a.m. 8 182
6-8 a.m. 30 835
8-10 a.m. 376 5,688
10-12 a.m. 509 14,921
12-2 p.m. 566 16,881
2-4 p.m. 713 24,225
4-6 p.m. 437 14,098
6-8 p.m. 206 4,632
8-10 p.m. 97 4,968
10-12 p.m. 84 4,299
__________ _____________ _________________
Total: 3,082 91,314
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 20
Irvine 0
Los Angeles 15
Riverside 0
San Diego 4
San Francisco 18
Santa Barbara 11
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1
Searchlight 544
Other - UC 2,424
Other-Network UC 42
_____
3,082
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 48
Irvine 0
Los Angeles 68
Riverside 0
San Diego 0
San Francisco 59
Santa Barbara 160
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 11
Searchlight 0
Other - UC 89,745
Other-Network UC 1,223
_____
91,314
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 4.8
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) 20:03
Average session length (minutes:seconds) 16:40
Longest session recorded (minutes:seconds) 166:15
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 976.7
Retrievals per search - standard deviation 5443.2
Percent of searches completed with 0 results 26.3%
Percent of searches entered that are long 0.6%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,082 13.8%
PRESENT 17,636 78.9%
INIT or CLOSE 1,627 7.3%
OTHER 11 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 513 13.1% 111 21.6% 6 41.2 257.8
TITLE WORD 382 9.8% 128 33.5% 6 237.6 813.9
EXACT TITLE 27 0.7% 16 59.3% 1 17.1 48.8
JOURNAL 179 4.6% 84 46.9% 8 1217.9 4849.0
EXACT JOURNAL 402 10.3% 54 13.4% 656 1778.1 4602.9
SUBJECT 165 4.2% 87 52.7% 20 1194.5 5560.3
EXACT SUBJECT 104 2.7% 21 20.2% 63 2598.5 11400.4
KEYWORD 1,503 38.5% 400 26.6% 41 1426.8 6303.9
PUB TYPE 51 1.3% 4 7.8% 405 3513.9 21743.3
DATE 148 3.8% 48 32.4% 7 161.8 557.1
ADDED 28 0.7% 23 82.1% 7 21.0 32.7
LANGUAGE 29 0.7% 16 55.2% 32 720.0 1177.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 14 0.4% 3 21.4% 44 284.5 431.7
COMPANY NAME 153 3.9% 30 19.6% 443 1342.0 2372.7
EX COMPANY NAME 9 0.2% 3 33.3% 457 3479.7 6687.2
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 26 0.7% 4 15.4% 18 197.3 381.0
AT 164 4.2% 26 15.9% 55 1121.5 4909.8
Other indexes 5 0.1% 4 80.0% 118 118.0 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 661 21.4% 197 29.8% 9 466.8 2750.1
Single 2,421 78.6% 614 25.4% 59 1545.9 6912.8
PRESENT commands, by type:
MARC 49.6%
OPAC 19.6%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)