MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 08/04/01 through 08/10/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 74 1,239
2-4 a.m. 8 124
4-6 a.m. 21 393
6-8 a.m. 40 775
8-10 a.m. 247 5,160
10-12 a.m. 475 13,817
12-2 p.m. 492 11,416
2-4 p.m. 602 19,361
4-6 p.m. 506 22,752
6-8 p.m. 327 7,360
8-10 p.m. 115 2,676
10-12 p.m. 47 516
__________ _____________ _________________
Total: 2,954 85,589
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 12
Irvine 9
Los Angeles 29
Riverside 1
San Diego 5
San Francisco 4
Santa Barbara 14
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2
Searchlight 583
Other - UC 2,271
Other-Network UC 7
_____
2,954
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 23
Irvine 101
Los Angeles 341
Riverside 0
San Diego 57
San Francisco 0
Santa Barbara 79
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 242
Searchlight 0
Other - UC 84,647
Other-Network UC 83
_____
85,589
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 3.4
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) 15:22
Longest session recorded (minutes:seconds) 188:55
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 919.3
Retrievals per search - standard deviation 5200.9
Percent of searches completed with 0 results 27.0%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,954 14.0%
PRESENT 16,621 78.8%
INIT or CLOSE 1,509 7.2%
OTHER 13 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 525 13.3% 129 24.6% 6 39.1 227.2
TITLE WORD 319 8.1% 113 35.4% 13 337.4 2526.5
EXACT TITLE 55 1.4% 30 54.5% 1 4.2 10.1
JOURNAL 190 4.8% 87 45.8% 7 2886.9 17981.4
EXACT JOURNAL 310 7.8% 55 17.7% 506 1839.3 4928.1
SUBJECT 130 3.3% 67 51.5% 91 880.7 2468.6
EXACT SUBJECT 82 2.1% 16 19.5% 23 3099.2 10204.6
KEYWORD 1,568 39.6% 411 26.2% 37 1239.3 5158.7
PUB TYPE 83 2.1% 8 9.6% 582 423.7 472.3
DATE 192 4.8% 53 27.6% 12 227.2 708.0
ADDED 33 0.8% 25 75.8% 12 15.4 14.5
LANGUAGE 72 1.8% 21 29.2% 6 535.5 2300.0
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 11 0.3% 3 27.3% 57 78.3 82.0
COMPANY NAME 132 3.3% 16 12.1% 2,734 1878.3 2374.7
EX COMPANY NAME 3 0.1% 1 33.3% 1,345 1345.0 1871.0
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 3 0.1% 2 66.7% 82 82.0 0.0
ID NUMBER 3 0.1% 0 0.0% 1 1.0 0.0
ISSN 5 0.1% 5 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 56 1.4% 10 17.9% 24 249.6 787.8
AT 183 4.6% 39 21.3% 21 870.8 4556.3
Other indexes 4 0.1% 2 50.0% 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 697 23.6% 194 27.8% 18 460.9 2943.2
Single 2,257 76.4% 604 26.8% 42 1502.7 6701.2
PRESENT commands, by type:
MARC 46.8%
OPAC 23.4%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)