MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 10/06/01 through 10/12/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 88 528
2-4 a.m. 9 26
4-6 a.m. 3 14
6-8 a.m. 35 139
8-10 a.m. 151 1,373
10-12 a.m. 420 3,694
12-2 p.m. 628 3,982
2-4 p.m. 708 5,103
4-6 p.m. 534 5,391
6-8 p.m. 366 4,224
8-10 p.m. 249 2,131
10-12 p.m. 182 1,739
__________ _____________ _________________
Total: 3,373 28,344
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 5
Irvine 0
Los Angeles 49
Riverside 0
San Diego 5
San Francisco 0
Santa Barbara 3
Santa Cruz 4
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,653
Other - UC 1,624
Other-Network UC 30
_____
3,373
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 49
Irvine 0
Los Angeles 3
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 7
Santa Cruz 20
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 28,185
Other-Network UC 80
_____
28,344
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 2.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.8
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:32
Longest session recorded (minutes:seconds) 78:45
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 760.5
Retrievals per search - standard deviation 6059.3
Percent of searches completed with 0 results 40.9%
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 3,373 29.9%
PRESENT 5,512 48.9%
INIT or CLOSE 2,379 21.1%
OTHER 4 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 149 3.6% 93 62.4% 24 233.8 442.6
TITLE WORD 265 6.5% 92 34.7% 14 267.5 880.9
EXACT TITLE 13 0.3% 7 53.8% 8 97.0 143.4
JOURNAL TITLE 5 0.1% 5 100% 0 0.0 0.0
EXACT JOURNAL 83 2.0% 20 24.1% 21 281.0 706.5
SUBJECT WORD 233 5.7% 136 58.4% 18 266.3 854.0
EXACT SUBJECT 89 2.2% 16 18.0% 5 1213.2 9860.2
KEYWORD 2,687 65.6% 1,078 40.1% 23 1484.3 8451.3
DATE 181 4.4% 57 31.5% 9 184.6 595.2
ADDED SINCE 46 1.1% 31 67.4% 8 325.2 993.9
PUB TYPE 20 0.5% 13 65.0% 30 55.0 55.1
SUBFILE 16 0.4% 9 56.3% 112 71.3 57.8
ID 9 0.2% 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 13 0.3% 6 46.2% 4 11.4 14.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 275 6.7% 69 25.1% 31 1040.0 8839.7
Other indexes 10 0.2% 7 70.0% 7 5.0 3.5
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 495 14.7% 167 33.7% 22 725.1 7018.8
Single 2,878 85.3% 1,214 42.2% 21 1398.7 7991.9
PRESENT commands, by type:
MARC 49.3%
OPAC 33.3%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (