MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 04/06/02 through 04/12/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 86 1,888
2-4 a.m. 177 1,686
4-6 a.m. 5 19
6-8 a.m. 51 757
8-10 a.m. 347 4,644
10-12 a.m. 570 10,324
12-2 p.m. 518 10,551
2-4 p.m. 712 11,139
4-6 p.m. 479 10,471
6-8 p.m. 281 7,859
8-10 p.m. 211 2,350
10-12 p.m. 188 4,685
__________ _____________ _________________
Total: 3,625 66,373
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 27
Davis 21
Irvine 3
Los Angeles 54
Riverside 10
San Diego 3
San Francisco 2
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 1,911
Searchlight 1,462
Other - UC 98
Other-Network UC 28
_____
3,625
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 199
Davis 221
Irvine 74
Los Angeles 351
Riverside 475
San Diego 0
San Francisco 0
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 2
Los Alamos 0
MELWEB 63,751
Searchlight 447
Other - UC 579
Other-Network UC 271
_____
66,373
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 1.5
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) 0:03
Average session length (minutes:seconds) 9:12
Longest session recorded (minutes:seconds) 128:21
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1322.8
Retrievals per search - standard deviation 9876.5
Percent of searches completed with 0 results 31.0%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,625 19.0%
PRESENT 12,879 67.5%
INIT or CLOSE 2,561 13.4%
OTHER 12 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 488 11.6% 160 32.8% 6 36.1 150.8
TITLE WORD 329 7.8% 118 35.9% 3 56.9 233.5
EXACT TITLE 43 1.0% 29 67.4% 1 7.4 19.0
JOURNAL 104 2.5% 47 45.2% 5 703.0 4426.1
EXACT JOURNAL 512 12.2% 64 12.5% 653 2639.0 6521.0
SUBJECT 103 2.4% 60 58.3% 61 6729.0 41543.0
EXACT SUBJECT 30 0.7% 15 50.0% 197 6554.1 11115.5
KEYWORD 2,265 53.8% 758 33.5% 42 2093.9 12964.9
PUB TYPE 13 0.3% 3 23.1% 249 315.6 255.7
DATE 97 2.3% 38 39.2% 9 94.1 261.6
ADDED 25 0.6% 13 52.0% 10 30.2 52.1
LANGUAGE 17 0.4% 9 52.9% 46 99.4 139.1
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 3 0.1% 1 33.3% 70 69.5 92.6
COMPANY NAME 35 0.8% 10 28.6% 129 492.7 814.5
EX COMPANY NAME 7 0.2% 0 0.0% 25 159.6 242.2
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 1 0.0% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 14 0.3% 4 28.6% 501 792.7 864.0
AT 124 2.9% 30 24.2% 118 1411.9 5719.0
Other indexes 2 0.0% 2 100% 0 0.0 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 501 13.8% 189 37.7% 11 480.9 3192.3
Single 3,124 86.2% 935 29.9% 47 2122.1 12588.8
PRESENT commands, by type:
MARC 49.2%
OPAC 18.9%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)