MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/16/02 through 03/22/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 41 187
2-4 a.m. 49 330
4-6 a.m. 13 33
6-8 a.m. 9 85
8-10 a.m. 82 217
10-12 a.m. 162 511
12-2 p.m. 195 238
2-4 p.m. 208 811
4-6 p.m. 183 188
6-8 p.m. 126 629
8-10 p.m. 99 175
10-12 p.m. 102 408
__________ _____________ _________________
Total: 1,269 3,812
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 6
Irvine 2
Los Angeles 4
Riverside 0
San Diego 1
San Francisco 2
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 289
Searchlight 831
Other - UC 126
Other-Network UC 5
_____
1,269
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 13
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 24
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,090
Searchlight 255
Other - UC 427
Other-Network UC 3
_____
3,812
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 2.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 3:49
Longest session recorded (minutes:seconds) 106:02
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 884.5
Retrievals per search - standard deviation 6501.8
Percent of searches completed with 0 results 55.3%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 1,269 39.6%
PRESENT 854 26.7%
INIT or CLOSE 1,080 33.7%
OTHER 0 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 75 5.6% 56 74.7% 3 31.7 103.2
TITLE WORD 83 6.1% 51 61.4% 19 2080.0 8769.4
EXACT TITLE 11 0.8% 10 90.9% 1 1.0 0.0
JOURNAL TITLE 12 0.9% 11 91.7% 4 4.0 0.0
EXACT JOURNAL 54 4.0% 5 9.3% 766 3633.7 5761.5
SUBJECT WORD 34 2.5% 18 52.9% 9 185.7 446.7
EXACT SUBJECT 11 0.8% 5 45.5% 285 7959.0 17685.3
KEYWORD 1,017 75.3% 569 55.9% 15 1844.8 10184.1
DATE 9 0.7% 3 33.3% 26 210.3 359.1
ADDED SINCE 5 0.4% 3 60.0% 34 33.5 13.4
PUB TYPE 2 0.1% 1 50.0% 1 1.0 0.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 0 0.0% 0 0.0% 0 0.0 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 3 0.2% 2 66.7% 13 13.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 34 2.5% 19 55.9% 173 1566.3 2875.6
Other indexes 1 0.1% 1 100% 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 70 5.5% 43 61.4% 26 920.1 2241.4
Single 1,199 94.5% 659 55.0% 16 2032.5 9842.2
PRESENT commands, by type:
MARC 54.5%
OPAC 26.5%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w