MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 04/13/02 through 04/19/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 150 5,256
2-4 a.m. 197 2,065
4-6 a.m. 21 37
6-8 a.m. 30 230
8-10 a.m. 194 3,424
10-12 a.m. 539 16,738
12-2 p.m. 595 14,317
2-4 p.m. 842 18,367
4-6 p.m. 539 11,420
6-8 p.m. 292 7,600
8-10 p.m. 267 5,306
10-12 p.m. 208 8,551
__________ _____________ _________________
Total: 3,874 93,311
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 9
Davis 26
Irvine 9
Los Angeles 19
Riverside 3
San Diego 1
San Francisco 8
Santa Barbara 2
Santa Cruz 7
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,163
Searchlight 1,569
Other - UC 48
Other-Network UC 10
_____
3,874
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 97
Davis 146
Irvine 186
Los Angeles 721
Riverside 50
San Diego 30
San Francisco 30
Santa Barbara 0
Santa Cruz 209
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 87,736
Searchlight 708
Other - UC 139
Other-Network UC 3,259
_____
93,311
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 2.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 9:41
Longest session recorded (minutes:seconds) 134:51
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1131.1
Retrievals per search - standard deviation 9096.5
Percent of searches completed with 0 results 29.8%
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 3,874 14.5%
PRESENT 20,148 75.6%
INIT or CLOSE 2,619 9.8%
OTHER 9 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 486 10.3% 124 25.5% 4 58.7 541.4
TITLE WORD 406 8.6% 135 33.3% 2 53.3 439.5
EXACT TITLE 58 1.2% 22 37.9% 1 6.7 24.1
JOURNAL 177 3.8% 69 39.0% 6 1162.6 5832.8
EXACT JOURNAL 496 10.5% 52 10.5% 564 2779.1 7622.2
SUBJECT 144 3.1% 77 53.5% 25 2629.5 15372.8
EXACT SUBJECT 45 1.0% 13 28.9% 70 2013.4 7633.7
KEYWORD 2,470 52.4% 804 32.5% 31 1661.9 12735.5
PUB TYPE 44 0.9% 6 13.6% 14 156.4 405.4
DATE 73 1.6% 17 23.3% 14 78.1 191.0
ADDED 24 0.5% 15 62.5% 7 19.9 22.0
LANGUAGE 12 0.3% 3 25.0% 10 278.8 543.1
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 9 0.2% 2 22.2% 10 118.9 242.7
COMPANY NAME 25 0.5% 7 28.0% 10 98.7 203.1
EX COMPANY NAME 3 0.1% 1 33.3% 28 28.0 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 19 0.4% 3 15.8% 50 1789.7 6344.3
AT 213 4.5% 49 23.0% 109 2996.8 11089.2
Other indexes 5 0.1% 2 40.0% 4 4.0 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 716 18.5% 212 29.6% 8 1092.9 6598.8
Single 3,158 81.5% 941 29.8% 44 1728.1 11563.5
PRESENT commands, by type:
MARC 54.6%
OPAC 20.8%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)