MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 07/28/01 through 08/03/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 78 1,489
2-4 a.m. 39 411
4-6 a.m. 70 1,245
6-8 a.m. 19 266
8-10 a.m. 192 4,208
10-12 a.m. 484 16,442
12-2 p.m. 600 13,397
2-4 p.m. 938 27,149
4-6 p.m. 482 16,266
6-8 p.m. 208 8,988
8-10 p.m. 163 3,958
10-12 p.m. 98 4,997
__________ _____________ _________________
Total: 3,371 98,816
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 17
Davis 10
Irvine 3
Los Angeles 38
Riverside 3
San Diego 7
San Francisco 6
Santa Barbara 23
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 664
Other - UC 2,584
Other-Network UC 16
_____
3,371
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 304
Davis 71
Irvine 9
Los Angeles 70
Riverside 24
San Diego 0
San Francisco 14
Santa Barbara 64
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 98,239
Other-Network UC 21
_____
98,816
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 2.3
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
_________________________________________
Median session length (minutes:seconds) 20:02
Average session length (minutes:seconds) 15:43
Longest session recorded (minutes:seconds) 167:11
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1070.2
Retrievals per search - standard deviation 9568.0
Percent of searches completed with 0 results 28.4%
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 3,371 13.9%
PRESENT 19,066 78.6%
INIT or CLOSE 1,799 7.4%
OTHER 23 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 649 15.0% 194 29.9% 5 59.3 372.8
TITLE WORD 354 8.2% 111 31.4% 2 47.4 151.1
EXACT TITLE 49 1.1% 25 51.0% 1 3.0 4.8
JOURNAL 213 4.9% 84 39.4% 4 615.6 3220.5
EXACT JOURNAL 343 8.0% 48 14.0% 643 2024.3 6572.4
SUBJECT 169 3.9% 72 42.6% 62 5540.4 23407.3
EXACT SUBJECT 69 1.6% 26 37.7% 167 2939.8 9169.3
KEYWORD 1,697 39.3% 444 26.2% 33 1789.3 13931.4
PUB TYPE 81 1.9% 18 22.2% 89 249.3 270.6
DATE 137 3.2% 39 28.5% 22 88.0 195.7
ADDED 31 0.7% 19 61.3% 13 21.3 21.7
LANGUAGE 41 1.0% 7 17.1% 37 458.1 1123.2
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 29 0.7% 6 20.7% 69 187.9 486.8
COMPANY NAME 184 4.3% 70 38.0% 23 855.4 1933.6
EX COMPANY NAME 20 0.5% 6 30.0% 256 478.4 538.7
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 1 100% 0 0.0 0.0
ID NUMBER 3 0.1% 0 0.0% 1 1.0 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 38 0.9% 6 15.8% 42 919.5 3104.5
AT 193 4.5% 42 21.8% 86 2186.4 10072.4
Other indexes 13 0.3% 8 61.5% 26 18.4 12.4
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 772 22.9% 216 28.0% 15 912.7 6819.4
Single 2,599 77.1% 741 28.5% 30 1668.5 12299.6
PRESENT commands, by type:
MARC 45.0%
OPAC 24.7%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)