MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 08/04/01 through 08/10/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 12 960
2-4 a.m. 2 0
4-6 a.m. 0 0
6-8 a.m. 13 79
8-10 a.m. 97 289
10-12 a.m. 232 1,743
12-2 p.m. 155 1,442
2-4 p.m. 183 2,295
4-6 p.m. 149 1,343
6-8 p.m. 41 163
8-10 p.m. 21 227
10-12 p.m. 17 32
__________ _____________ _________________
Total: 922 8,573
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 28
Irvine 0
Los Angeles 186
Riverside 2
San Diego 0
San Francisco 4
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 295
Other - UC 402
Other-Network UC 2
_____
922
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 8
Irvine 0
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 0
Searchlight 0
Other - UC 8,565
Other-Network UC 0
_____
8,573
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 0.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.4
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:10
Average session length (minutes:seconds) 7:58
Longest session recorded (minutes:seconds) 117:25
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 577.8
Retrievals per search - standard deviation 3371.6
Percent of searches completed with 0 results 63.3%
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 922 30.6%
PRESENT 1,626 53.9%
INIT or CLOSE 464 15.4%
OTHER 2 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 255 20.1% 237 92.9% 7 29.3 48.5
TITLE WORD 173 13.6% 140 80.9% 15 2163.8 6959.6
EXACT TITLE 6 0.5% 5 83.3% 1 1.0 0.0
JOURNAL TITLE 26 2.0% 21 80.8% 23 297.2 524.8
EXACT JOURNAL 24 1.9% 4 16.7% 2,537 7613.0 11486.0
SUBJECT WORD 136 10.7% 124 91.2% 10 300.4 622.3
EXACT SUBJECT 14 1.1% 4 28.6% 10 3124.7 9490.0
KEYWORD 507 39.9% 263 51.9% 28 1115.8 4151.5
DATE 84 6.6% 80 95.2% 132 220.0 285.2
ADDED SINCE 11 0.9% 9 81.8% 62 61.5 51.6
PUB TYPE 0 0.0% 0 0.0% 0 0.0 0.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 3 0.2% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 2 0.2% 0 0.0% 37 37.0 0.0
ILLUS 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 30 2.4% 18 60.0% 1,298 7578.9 12715.1
Other indexes 0 0.0% 0 0.0% 0 0.0 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 266 28.8% 239 89.8% 25 3409.9 9102.5
Single 656 71.1% 345 52.6% 29 1417.0 4978.9
PRESENT commands, by type:
MARC 50.6%
OPAC 29.4%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w