MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/02/01 through 06/08/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 181 4,131
2-4 a.m. 119 2,619
4-6 a.m. 37 1,302
6-8 a.m. 61 2,292
8-10 a.m. 279 5,268
10-12 a.m. 744 23,446
12-2 p.m. 953 26,605
2-4 p.m. 1,298 35,622
4-6 p.m. 1,013 29,007
6-8 p.m. 711 16,726
8-10 p.m. 580 15,041
10-12 p.m. 439 11,494
__________ _____________ _________________
Total: 6,415 173,553
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 11
Davis 23
Irvine 2
Los Angeles 14
Riverside 1
San Diego 21
San Francisco 7
Santa Barbara 7
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,042
Searchlight 2,237
Other - UC 29
Other-Network UC 20
_____
6,415
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 40
Davis 228
Irvine 55
Los Angeles 316
Riverside 1
San Diego 1
San Francisco 1
Santa Barbara 39
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 171,470
Searchlight 489
Other - UC 342
Other-Network UC 571
_____
173,553
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 2.2
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
_________________________________________
Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 11:37
Longest session recorded (minutes:seconds) 203:58
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 886.6
Retrievals per search - standard deviation 5554.8
Percent of searches completed with 0 results 31.7%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 6,415 14.7%
PRESENT 33,388 76.3%
INIT or CLOSE 3,949 9.0%
OTHER 32 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 590 7.2% 145 24.6% 6 47.5 252.5
TITLE WORD 496 6.1% 162 32.7% 4 125.8 610.6
EXACT TITLE 50 0.6% 30 60.0% 2 17.5 48.1
JOURNAL 261 3.2% 126 48.3% 34 6198.1 14485.1
EXACT JOURNAL 499 6.1% 83 16.6% 858 3570.2 8275.5
SUBJECT 460 5.6% 236 51.3% 17 492.3 2750.2
EXACT SUBJECT 186 2.3% 53 28.5% 51 3012.8 9657.3
KEYWORD 4,487 54.9% 1,460 32.5% 25 913.7 6215.8
PUB TYPE 44 0.5% 10 22.7% 15 111.1 302.3
DATE 167 2.0% 47 28.1% 25 140.5 328.3
ADDED 27 0.3% 19 70.4% 7 16.9 22.1
LANGUAGE 64 0.8% 12 18.8% 25 2996.4 14057.5
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 52 0.6% 19 36.5% 16 1109.5 5338.3
COMPANY NAME 128 1.6% 41 32.0% 31 284.9 1805.2
EX COMPANY NAME 9 0.1% 5 55.6% 55 95.3 112.5
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 2 0.0% 2 100% 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 42 0.5% 8 19.0% 34 421.1 858.8
AT 595 7.3% 150 25.2% 39 2395.2 11856.8
Other indexes 7 0.1% 5 71.4% 52 52.0 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 1,412 22.0% 437 30.9% 20 1147.2 8092.1
Single 5,003 78.0% 1,599 32.0% 27 1342.2 6222.4
PRESENT commands, by type:
MARC 46.6%
OPAC 25.4%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)