MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/23/01 through 06/29/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 52 488
2-4 a.m. 84 1,029
4-6 a.m. 6 65
6-8 a.m. 23 402
8-10 a.m. 232 4,477
10-12 a.m. 537 15,032
12-2 p.m. 623 16,016
2-4 p.m. 711 27,180
4-6 p.m. 489 13,076
6-8 p.m. 149 4,756
8-10 p.m. 77 1,177
10-12 p.m. 59 907
__________ _____________ _________________
Total: 3,042 84,605
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 36
Davis 9
Irvine 4
Los Angeles 6
Riverside 2
San Diego 17
San Francisco 6
Santa Barbara 9
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 36
Searchlight 906
Other - UC 2,002
Other-Network UC 9
_____
3,042
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 634
Davis 159
Irvine 5
Los Angeles 210
Riverside 0
San Diego 178
San Francisco 84
Santa Barbara 38
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 83,083
Other-Network UC 214
_____
84,605
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 1.9
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) 12:08
Longest session recorded (minutes:seconds) 133:40
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1585.9
Retrievals per search - standard deviation 16190
Percent of searches completed with 0 results 28.3%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,042 14.3%
PRESENT 16,381 76.9%
INIT or CLOSE 1,873 8.8%
OTHER 11 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 440 12.0% 97 22.0% 8 100.0 1313.1
TITLE WORD 307 8.4% 102 33.2% 5 122.2 864.3
EXACT TITLE 46 1.3% 24 52.2% 1 3.2 5.4
JOURNAL 210 5.7% 89 42.4% 22 1457.5 4732.4
EXACT JOURNAL 319 8.7% 46 14.4% 449 2130.3 5873.7
SUBJECT 150 4.1% 63 42.0% 37 1513.8 6055.3
EXACT SUBJECT 45 1.2% 7 15.6% 27 2836.6 10982.4
KEYWORD 1,744 47.6% 518 29.7% 37 3103.2 25090.7
PUB TYPE 35 1.0% 3 8.6% 29 121.0 280.6
DATE 99 2.7% 28 28.3% 14 339.5 1612.3
ADDED 23 0.6% 23 100% 0 0.0 0.0
LANGUAGE 18 0.5% 4 22.2% 24 326.6 695.6
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 32 0.9% 7 21.9% 31 147.8 352.6
COMPANY NAME 50 1.4% 14 28.0% 36 203.4 334.6
EX COMPANY NAME 17 0.5% 4 23.5% 94 200.4 399.9
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 30 0.8% 3 10.0% 24 69.8 100.3
AT 98 2.7% 18 18.4% 11 204.2 669.2
Other indexes 1 0.0% 1 100% 0 0.0 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 511 16.8% 161 31.5% 11 263.6 1571.2
Single 2,531 83.2% 699 27.6% 42 2583.0 20793.7
PRESENT commands, by type:
MARC 49.1%
OPAC 16.5%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)