MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/05/01 through 05/11/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 124 1,659
2-4 a.m. 27 95
4-6 a.m. 10 11
6-8 a.m. 40 118
8-10 a.m. 251 1,982
10-12 a.m. 593 7,218
12-2 p.m. 927 8,552
2-4 p.m. 1,047 11,606
4-6 p.m. 739 11,245
6-8 p.m. 510 6,001
8-10 p.m. 425 5,307
10-12 p.m. 307 2,476
__________ _____________ _________________
Total: 5,000 56,270
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 23
Davis 8
Irvine 2
Los Angeles 3
Riverside 0
San Diego 10
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,566
Searchlight 2,343
Other - UC 45
Other-Network UC 0
_____
5,000
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 62
Davis 9
Irvine 17
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 55,563
Searchlight 4
Other - UC 615
Other-Network UC 0
_____
56,270
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 2.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.7
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:54
Longest session recorded (minutes:seconds) 107:08
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 692.2
Retrievals per search - standard deviation 13272
Percent of searches completed with 0 results 39.6%
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 5,000 26.2%
PRESENT 10,745 56.3%
INIT or CLOSE 3,324 17.4%
OTHER 21 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 176 2.8% 71 40.3% 5 222.8 531.7
TITLE WORD 326 5.2% 134 41.1% 3 560.6 3463.5
EXACT TITLE 40 0.6% 26 65.0% 1 3.3 8.3
JOURNAL TITLE 15 0.2% 11 73.3% 11,436 217945 420773
EXACT JOURNAL 172 2.7% 57 33.1% 9 173.5 426.5
SUBJECT WORD 385 6.1% 191 49.6% 11 516.4 1838.7
EXACT SUBJECT 210 3.3% 49 23.3% 9 262.1 1894.4
KEYWORD 4,054 64.6% 1,596 39.4% 17 955.5 7980.0
DATE 265 4.2% 94 35.5% 12 138.0 480.2
ADDED SINCE 43 0.7% 37 86.0% 2 2.7 2.7
PUB TYPE 13 0.2% 8 61.5% 2 4.8 6.3
SUBFILE 8 0.1% 3 37.5% 10 39.2 69.9
ID 1 0.0% 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 7 0.1% 3 42.9% 2 19.3 35.2
ARTICLE 12 0.2% 7 58.3% 2 29.0 58.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 548 8.7% 128 23.4% 19 1265.1 11866.6
Other indexes 3 0.0% 2 66.7% 1 1.0 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 910 18.2% 298 32.7% 17 923.2 9843.1
Single 4,090 81.8% 1,681 41.1% 14 1202.2 18451.2
PRESENT commands, by type:
MARC 44.9%
OPAC 37.3%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (