MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/27/01 through 02/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 96 406
2-4 a.m. 70 413
4-6 a.m. 12 288
6-8 a.m. 38 387
8-10 a.m. 246 8,995
10-12 a.m. 663 6,656
12-2 p.m. 984 12,075
2-4 p.m. 1,090 13,145
4-6 p.m. 713 7,109
6-8 p.m. 361 5,850
8-10 p.m. 425 5,513
10-12 p.m. 233 2,509
__________ _____________ _________________
Total: 4,931 63,346
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 0
Irvine 2
Los Angeles 2
Riverside 0
San Diego 11
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,546
Searchlight 2,293
Other - UC 71
Other-Network UC 5
_____
4,931
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 48
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 21
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 62,542
Searchlight 106
Other - UC 625
Other-Network UC 2
_____
63,346
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 2.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 2.7
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:16
Longest session recorded (minutes:seconds) 169:10
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 550.8
Retrievals per search - standard deviation 4815.4
Percent of searches completed with 0 results 36.7%
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 4,931 24.8%
PRESENT 11,634 58.5%
INIT or CLOSE 3,319 16.7%
OTHER 11 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 110 1.8% 50 45.5% 8 110.7 227.3
TITLE WORD 276 4.4% 91 33.0% 11 340.1 927.0
EXACT TITLE 20 0.3% 14 70.0% 1 2.2 2.9
JOURNAL TITLE 8 0.1% 6 75.0% 1 1.0 0.0
EXACT JOURNAL 199 3.2% 71 35.7% 25 542.0 1114.6
SUBJECT WORD 448 7.2% 219 48.9% 14 253.0 853.6
EXACT SUBJECT 176 2.8% 38 21.6% 5 287.1 2245.7
KEYWORD 4,026 64.9% 1,462 36.3% 20 993.8 6616.6
DATE 255 4.1% 78 30.6% 17 285.5 834.9
ADDED SINCE 62 1.0% 39 62.9% 4 233.0 617.5
PUB TYPE 27 0.4% 21 77.8% 2 3.0 2.9
SUBFILE 8 0.1% 5 62.5% 289 1045.7 1565.7
ID 16 0.3% 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 3 0.0% 2 66.7% 84 84.0 0.0
ARTICLE 20 0.3% 10 50.0% 14 23.8 27.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 550 8.9% 148 26.9% 31 630.2 2680.1
Other indexes 2 0.0% 0 0.0% 4 4.0 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 900 18.3% 289 32.1% 22 504.0 2227.5
Single 4,031 81.7% 1,520 37.7% 16 959.0 6629.7
PRESENT commands, by type:
MARC 41.9%
OPAC 34.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (