MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/02/01 through 06/08/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 143 973
2-4 a.m. 40 1,332
4-6 a.m. 18 61
6-8 a.m. 46 251
8-10 a.m. 212 1,706
10-12 a.m. 529 3,961
12-2 p.m. 738 5,921
2-4 p.m. 1,019 12,561
4-6 p.m. 828 11,224
6-8 p.m. 544 5,130
8-10 p.m. 549 5,554
10-12 p.m. 473 7,002
__________ _____________ _________________
Total: 5,139 55,676
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 3
Los Angeles 26
Riverside 0
San Diego 21
San Francisco 1
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,502
Searchlight 2,544
Other - UC 33
Other-Network UC 8
_____
5,139
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 170
Los Angeles 4
Riverside 0
San Diego 0
San Francisco 3
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 54,967
Searchlight 31
Other - UC 501
Other-Network UC 0
_____
55,676
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 2.0
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) 0:03
Average session length (minutes:seconds) 6:58
Longest session recorded (minutes:seconds) 162:21
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 825.9
Retrievals per search - standard deviation 18413
Percent of searches completed with 0 results 40.7%
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 5,139 26.4%
PRESENT 10,803 55.5%
INIT or CLOSE 3,521 18.1%
OTHER 6 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 241 3.7% 126 52.3% 9 294.9 692.7
TITLE WORD 324 5.0% 123 38.0% 4 138.3 523.5
EXACT TITLE 38 0.6% 30 78.9% 1 67.0 135.1
JOURNAL TITLE 12 0.2% 7 58.3% 450534 459650 392877
EXACT JOURNAL 205 3.2% 67 32.7% 18 114.5 237.1
SUBJECT WORD 328 5.1% 171 52.1% 11 551.7 3418.6
EXACT SUBJECT 165 2.6% 41 24.8% 9 221.2 1385.6
KEYWORD 4,233 65.8% 1,713 40.5% 16 704.9 5204.3
DATE 299 4.7% 101 33.8% 11 90.4 356.7
ADDED SINCE 63 1.0% 35 55.6% 4 6.6 11.4
PUB TYPE 25 0.4% 22 88.0% 169 129.7 87.9
SUBFILE 5 0.1% 3 60.0% 2 1.5 0.7
ID 1 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 22 0.3% 13 59.1% 5 37.8 89.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 453 7.0% 130 28.7% 16 591.2 2211.2
Other indexes 13 0.2% 11 84.6% 2 1.5 0.7
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 840 16.3% 302 35.9% 13 398.3 1744.2
Single 4,299 83.7% 1,792 41.7% 14 1607.6 26329.7
PRESENT commands, by type:
MARC 43.4%
OPAC 41.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (