MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/08/02 through 06/14/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 139 1,108
2-4 a.m. 138 1,546
4-6 a.m. 9 0
6-8 a.m. 16 111
8-10 a.m. 99 3,529
10-12 a.m. 269 5,416
12-2 p.m. 293 10,832
2-4 p.m. 456 14,154
4-6 p.m. 313 7,685
6-8 p.m. 155 3,115
8-10 p.m. 138 1,337
10-12 p.m. 81 1,600
__________ _____________ _________________
Total: 2,106 50,433
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 14
Davis 19
Irvine 11
Los Angeles 27
Riverside 11
San Diego 2
San Francisco 2
Santa Barbara 4
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,254
Searchlight 728
Other - UC 24
Other-Network UC 10
_____
2,106
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 186
Davis 146
Irvine 349
Los Angeles 493
Riverside 299
San Diego 0
San Francisco 0
Santa Barbara 9
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 47,576
Searchlight 512
Other - UC 731
Other-Network UC 132
_____
50,433
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 3.6
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) 0:12
Average session length (minutes:seconds) 11:22
Longest session recorded (minutes:seconds) 176:00
Average number of searches completed per session 0.0
Retrievals per search - median 7.5
Retrievals per search - average 1256.8
Retrievals per search - standard deviation 7288.5
Percent of searches completed with 0 results 30.4%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,106 15.9%
PRESENT 9,733 73.3%
INIT or CLOSE 1,430 10.8%
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 322 12.9% 84 26.1% 5 18.8 47.8
TITLE WORD 187 7.5% 72 38.5% 2 498.4 5079.1
EXACT TITLE 9 0.4% 4 44.4% 1 1.0 0.0
JOURNAL 83 3.3% 39 47.0% 5 1866.4 6779.9
EXACT JOURNAL 435 17.5% 41 9.4% 536 2294.7 6533.0
SUBJECT 86 3.5% 50 58.1% 230 5145.0 12393.5
EXACT SUBJECT 22 0.9% 7 31.8% 113 1172.2 3560.3
KEYWORD 1,152 46.2% 414 35.9% 33 1976.1 10725.6
PUB TYPE 13 0.5% 1 7.7% 10 214.8 509.1
DATE 32 1.3% 11 34.4% 5 140.9 255.1
ADDED 34 1.4% 24 70.6% 6 12.5 17.6
LANGUAGE 14 0.6% 4 28.6% 307 3376.6 9274.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 3 0.1% 0 0.0% 62 230.7 335.5
COMPANY NAME 3 0.1% 2 66.7% 85 85.0 0.0
EX COMPANY NAME 0 0.0% 0 0.0% 0 0.0 0.0
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 1 0.0% 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 15 0.6% 3 20.0% 147 2326.9 7313.0
AT 81 3.3% 18 22.2% 90 4557.4 20461.3
Other indexes 0 0.0% 0 0.0% 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 326 15.5% 117 35.9% 6 1842.4 12096.5
Single 1,780 84.5% 524 29.4% 69 1800.8 7980.6
PRESENT commands, by type:
MARC 52.3%
OPAC 20.5%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)