MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/20/02 through 04/26/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 115 1,010
2-4 a.m. 49 132
4-6 a.m. 9 0
6-8 a.m. 32 132
8-10 a.m. 165 1,008
10-12 a.m. 365 3,827
12-2 p.m. 656 6,954
2-4 p.m. 727 8,990
4-6 p.m. 611 7,364
6-8 p.m. 354 3,520
8-10 p.m. 260 2,802
10-12 p.m. 300 2,282
__________ _____________ _________________
Total: 3,643 38,021
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 18
Irvine 1
Los Angeles 0
Riverside 1
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,650
Searchlight 1,754
Other - UC 211
Other-Network UC 0
_____
3,643
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 78
Davis 0
Irvine 1
Los Angeles 0
Riverside 2
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 5
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 35,507
Searchlight 5
Other - UC 2,423
Other-Network UC 0
_____
38,021
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
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 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:24
Longest session recorded (minutes:seconds) 113:15
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 741.4
Retrievals per search - standard deviation 22879
Percent of searches completed with 0 results 39.4%
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 3,643 26.2%
PRESENT 7,714 55.5%
INIT or CLOSE 2,515 18.1%
OTHER 19 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 145 3.3% 59 40.7% 12 16146.4 147853
TITLE WORD 299 6.8% 106 35.4% 8 421.0 3273.5
EXACT TITLE 30 0.7% 22 73.3% 1 3.4 5.9
JOURNAL TITLE 8 0.2% 6 75.0% 686931 686931 967886
EXACT JOURNAL 141 3.2% 48 34.0% 9 196.8 1017.4
SUBJECT WORD 212 4.8% 120 56.6% 8 235.2 795.7
EXACT SUBJECT 154 3.5% 20 13.0% 23 492.5 2545.6
KEYWORD 2,871 65.0% 1,151 40.1% 19 665.3 3743.1
DATE 154 3.5% 46 29.9% 11 78.9 213.2
ADDED SINCE 27 0.6% 20 74.1% 2 67.9 113.0
PUB TYPE 6 0.1% 3 50.0% 5 15.7 19.3
SUBFILE 6 0.1% 2 33.3% 244 352.3 420.9
ID 20 0.5% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 9 0.2% 8 88.9% 48 48.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 327 7.4% 84 25.7% 21 655.7 3422.0
Other indexes 11 0.2% 6 54.5% 12 10.4 2.2
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 556 15.3% 176 31.7% 17 4090.6 70378.4
Single 3,087 84.7% 1,259 40.8% 17 627.2 3635.9
PRESENT commands, by type:
MARC 47.9%
OPAC 34.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (