MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/28/01 through 05/04/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 169 1,303
2-4 a.m. 34 188
4-6 a.m. 13 0
6-8 a.m. 30 27
8-10 a.m. 239 1,643
10-12 a.m. 740 7,956
12-2 p.m. 857 10,073
2-4 p.m. 1,018 10,267
4-6 p.m. 888 12,967
6-8 p.m. 574 5,867
8-10 p.m. 506 8,040
10-12 p.m. 289 3,680
__________ _____________ _________________
Total: 5,357 62,011
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 22
Davis 1
Irvine 0
Los Angeles 5
Riverside 0
San Diego 25
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,696
Searchlight 2,526
Other - UC 58
Other-Network UC 24
_____
5,357
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 69
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 8
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 61,310
Searchlight 60
Other - UC 549
Other-Network UC 15
_____
62,011
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 3.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:37
Longest session recorded (minutes:seconds) 180:53
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 428.8
Retrievals per search - standard deviation 4333.5
Percent of searches completed with 0 results 40.6%
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 5,357 26.0%
PRESENT 11,631 56.5%
INIT or CLOSE 3,596 17.5%
OTHER 15 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 182 2.7% 87 47.8% 12 300.2 673.6
TITLE WORD 398 5.9% 152 38.2% 7 397.4 2438.4
EXACT TITLE 28 0.4% 18 64.3% 1 6.2 15.1
JOURNAL TITLE 26 0.4% 22 84.6% 107 183.5 221.0
EXACT JOURNAL 180 2.7% 55 30.6% 18 171.1 726.8
SUBJECT WORD 407 6.1% 210 51.6% 14 637.9 2490.6
EXACT SUBJECT 191 2.9% 30 15.7% 10 908.4 6721.3
KEYWORD 4,332 64.7% 1,766 40.8% 17 747.1 5925.2
DATE 242 3.6% 89 36.8% 14 70.9 167.5
ADDED SINCE 57 0.9% 40 70.2% 5 38.5 124.9
PUB TYPE 11 0.2% 6 54.5% 9 15.4 17.0
SUBFILE 3 0.0% 3 100% 0 0.0 0.0
ID 5 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 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 15 0.2% 5 33.3% 11 24.4 29.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 614 9.2% 190 30.9% 25 586.8 2999.8
Other indexes 8 0.1% 3 37.5% 1,200 778.4 713.8
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 1,034 19.3% 358 34.6% 17 426.9 2437.1
Single 4,323 80.7% 1,819 42.1% 15 802.2 6187.3
PRESENT commands, by type:
MARC 43.1%
OPAC 39.9%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (