MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 10/20/01 through 10/26/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 82 194
2-4 a.m. 47 106
4-6 a.m. 14 153
6-8 a.m. 23 147
8-10 a.m. 232 3,327
10-12 a.m. 535 4,421
12-2 p.m. 675 5,987
2-4 p.m. 825 9,269
4-6 p.m. 650 5,365
6-8 p.m. 399 5,086
8-10 p.m. 337 2,957
10-12 p.m. 209 1,618
__________ _____________ _________________
Total: 4,028 38,630
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 12
Irvine 0
Los Angeles 21
Riverside 1
San Diego 8
San Francisco 16
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,934
Other - UC 2,024
Other-Network UC 7
_____
4,028
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 84
Davis 2
Irvine 0
Los Angeles 0
Riverside 6
San Diego 24
San Francisco 603
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 37,826
Other-Network UC 85
_____
38,630
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 3.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:05
Average session length (minutes:seconds) 7:18
Longest session recorded (minutes:seconds) 119:02
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 676.4
Retrievals per search - standard deviation 4403.3
Percent of searches completed with 0 results 38.0%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,028 25.6%
PRESENT 8,784 55.8%
INIT or CLOSE 2,832 18.0%
OTHER 107 0.7%
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 130 2.7% 77 59.2% 17 362.4 727.7
TITLE WORD 275 5.6% 94 34.2% 14 440.8 2186.6
EXACT TITLE 22 0.4% 16 72.7% 1 1.0 0.0
JOURNAL TITLE 15 0.3% 13 86.7% 189 188.5 64.3
EXACT JOURNAL 105 2.1% 37 35.2% 5 1076.7 5593.1
SUBJECT WORD 306 6.2% 166 54.2% 20 1155.9 6724.2
EXACT SUBJECT 141 2.9% 30 21.3% 8 69.3 182.7
KEYWORD 3,264 66.7% 1,209 37.0% 31 1164.0 5735.4
DATE 209 4.3% 78 37.3% 13 95.7 505.9
ADDED SINCE 38 0.8% 30 78.9% 5 51.9 93.7
PUB TYPE 13 0.3% 9 69.2% 190 359.8 482.8
SUBFILE 10 0.2% 5 50.0% 142 235.2 343.4
ID 4 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 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 13 0.3% 6 46.2% 2 6.0 9.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 349 7.1% 93 26.6% 34 1446.3 6937.9
Other indexes 3 0.1% 2 66.7% 2,430 2430.0 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 633 15.7% 230 36.3% 20 963.5 5572.1
Single 3,395 84.3% 1,301 38.3% 30 1115.7 5549.6
PRESENT commands, by type:
MARC 50.6%
OPAC 30.9%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (