MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/27/02 through 05/03/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 169 1,119
2-4 a.m. 43 439
4-6 a.m. 3 0
6-8 a.m. 19 32
8-10 a.m. 127 2,514
10-12 a.m. 450 4,633
12-2 p.m. 555 5,091
2-4 p.m. 693 5,554
4-6 p.m. 509 7,539
6-8 p.m. 268 2,995
8-10 p.m. 342 2,389
10-12 p.m. 229 2,978
__________ _____________ _________________
Total: 3,407 35,283
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 40
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 1
Santa Barbara 0
Santa Cruz 3
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,539
Searchlight 1,746
Other - UC 70
Other-Network UC 0
_____
3,407
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 24
Davis 25
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 2
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 34,585
Searchlight 0
Other - UC 647
Other-Network UC 0
_____
35,283
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 1.0
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 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:30
Longest session recorded (minutes:seconds) 90:41
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 510.8
Retrievals per search - standard deviation 12817
Percent of searches completed with 0 results 43.0%
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 3,407 26.5%
PRESENT 7,002 54.6%
INIT or CLOSE 2,416 18.8%
OTHER 10 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 146 3.5% 78 53.4% 26 380.6 1321.2
TITLE WORD 201 4.8% 92 45.8% 5 48.9 237.3
EXACT TITLE 26 0.6% 17 65.4% 1 70.2 140.9
JOURNAL TITLE 11 0.3% 11 100% 0 0.0 0.0
EXACT JOURNAL 133 3.2% 54 40.6% 14 119.2 344.1
SUBJECT WORD 176 4.2% 110 62.5% 18 426.5 1630.5
EXACT SUBJECT 109 2.6% 18 16.5% 7 69.9 247.9
KEYWORD 2,824 67.8% 1,205 42.7% 18 1033.9 18577.3
DATE 153 3.7% 67 43.8% 12 37.5 60.7
ADDED SINCE 24 0.6% 24 100% 0 0.0 0.0
PUB TYPE 12 0.3% 6 50.0% 29 36.5 42.8
SUBFILE 4 0.1% 0 0.0% 2 2.3 0.5
ID 2 0.0% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 19 0.5% 13 68.4% 3 3.7 2.9
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 317 7.6% 84 26.5% 24 733.8 5986.3
Other indexes 4 0.1% 4 100% 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 535 15.7% 202 37.8% 20 540.3 5015.7
Single 2,872 84.3% 1,264 44.0% 16 970.4 18508.3
PRESENT commands, by type:
MARC 42.8%
OPAC 38.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (