MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 10/27/01 through 11/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 96 379
2-4 a.m. 19 67
4-6 a.m. 6 45
6-8 a.m. 31 306
8-10 a.m. 206 1,673
10-12 a.m. 524 6,266
12-2 p.m. 736 6,325
2-4 p.m. 756 9,278
4-6 p.m. 695 5,813
6-8 p.m. 384 2,494
8-10 p.m. 355 4,446
10-12 p.m. 270 4,944
__________ _____________ _________________
Total: 4,078 42,036
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 21
Davis 11
Irvine 0
Los Angeles 78
Riverside 0
San Diego 2
San Francisco 3
Santa Barbara 3
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 2,067
Other - UC 1,882
Other-Network UC 10
_____
4,078
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 185
Davis 0
Irvine 0
Los Angeles 1,935
Riverside 0
San Diego 0
San Francisco 223
Santa Barbara 16
Santa Cruz 8
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 39,609
Other-Network UC 60
_____
42,036
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.6
Standard deviation in seconds 1.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:22
Longest session recorded (minutes:seconds) 85:42
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 598.8
Retrievals per search - standard deviation 5816.1
Percent of searches completed with 0 results 39.7%
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 4,078 26.7%
PRESENT 8,277 54.2%
INIT or CLOSE 2,903 19.0%
OTHER 2 0.0%
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 261 5.1% 122 46.7% 13 191.5 514.3
TITLE WORD 321 6.3% 143 44.5% 5 168.4 656.8
EXACT TITLE 28 0.6% 17 60.7% 1 35.6 114.9
JOURNAL TITLE 9 0.2% 5 55.6% 3 50.0 94.0
EXACT JOURNAL 152 3.0% 41 27.0% 6 199.9 594.6
SUBJECT WORD 279 5.5% 148 53.0% 12 478.9 1832.3
EXACT SUBJECT 165 3.2% 39 23.6% 21 1011.9 7688.5
KEYWORD 3,209 63.1% 1,266 39.4% 17 1133.5 8143.3
DATE 261 5.1% 103 39.5% 14 59.5 163.4
ADDED SINCE 41 0.8% 31 75.6% 10 81.6 118.3
PUB TYPE 9 0.2% 6 66.7% 3 2.7 1.5
SUBFILE 7 0.1% 5 71.4% 11 10.5 13.4
ID 4 0.1% 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 3 0.1% 2 66.7% 4 4.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 322 6.3% 87 27.0% 18 1391.0 15978.6
Other indexes 13 0.3% 13 100% 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 702 17.2% 266 37.9% 15 820.6 11740.4
Single 3,376 82.8% 1,352 40.0% 16 1029.7 6168.5
PRESENT commands, by type:
MARC 49.6%
OPAC 30.6%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (