MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 08/18/01 through 08/24/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 99 2,937
2-4 a.m. 17 386
4-6 a.m. 0 0
6-8 a.m. 17 177
8-10 a.m. 181 4,628
10-12 a.m. 450 9,447
12-2 p.m. 533 14,723
2-4 p.m. 698 21,333
4-6 p.m. 517 19,735
6-8 p.m. 141 7,705
8-10 p.m. 95 1,585
10-12 p.m. 52 2,516
__________ _____________ _________________
Total: 2,800 85,172
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 31
Davis 23
Irvine 3
Los Angeles 39
Riverside 5
San Diego 19
San Francisco 8
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 11
Searchlight 546
Other - UC 2,105
Other-Network UC 9
_____
2,800
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 255
Davis 829
Irvine 1
Los Angeles 156
Riverside 84
San Diego 65
San Francisco 53
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 83,463
Other-Network UC 266
_____
85,172
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 5.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.6
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 20:12
Average session length (minutes:seconds) 15:28
Longest session recorded (minutes:seconds) 138:48
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 862.8
Retrievals per search - standard deviation 4118.2
Percent of searches completed with 0 results 25.9%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,800 13.2%
PRESENT 16,959 79.8%
INIT or CLOSE 1,491 7.0%
OTHER 6 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 596 15.9% 138 23.2% 5 56.4 336.8
TITLE WORD 421 11.3% 129 30.6% 2 59.0 303.2
EXACT TITLE 56 1.5% 19 33.9% 1 13.1 42.9
JOURNAL 189 5.1% 95 50.3% 16 793.4 2257.5
EXACT JOURNAL 398 10.6% 63 15.8% 556 2385.8 6294.3
SUBJECT 108 2.9% 62 57.4% 30 812.8 3529.6
EXACT SUBJECT 57 1.5% 12 21.1% 93 2120.6 4707.7
KEYWORD 1,293 34.6% 333 25.8% 47 1410.9 5653.5
PUB TYPE 59 1.6% 2 3.4% 585 538.6 543.3
DATE 102 2.7% 20 19.6% 11 106.1 353.5
ADDED 29 0.8% 18 62.1% 23 31.7 32.7
LANGUAGE 20 0.5% 2 10.0% 21 2163.9 5827.1
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 5 0.1% 0 0.0% 4 67.0 132.2
COMPANY NAME 57 1.5% 9 15.8% 107 1419.6 3796.2
EX COMPANY NAME 4 0.1% 0 0.0% 1,661 1517.0 1433.8
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 2 0.1% 0 0.0% 3 3.0 0.0
ID NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 1 0.0% 0 0.0% 3 3.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 14 0.4% 1 7.1% 56 1351.9 4045.5
AT 322 8.6% 63 19.6% 153 1641.0 4727.1
Other indexes 6 0.2% 4 66.7% 336 336.0 455.4
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 784 28.0% 200 25.5% 20 853.3 3402.3
Single 2,016 72.0% 526 26.1% 31 1286.9 5177.3
PRESENT commands, by type:
MARC 47.4%
OPAC 27.9%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)