MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/30/01 through 07/06/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 14 112
2-4 a.m. 15 116
4-6 a.m. 8 541
6-8 a.m. 8 60
8-10 a.m. 65 1,035
10-12 a.m. 114 1,219
12-2 p.m. 180 1,475
2-4 p.m. 163 1,803
4-6 p.m. 118 639
6-8 p.m. 33 411
8-10 p.m. 27 1,042
10-12 p.m. 34 490
__________ _____________ _________________
Total: 779 8,943
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 3
Irvine 0
Los Angeles 0
Riverside 1
San Diego 13
San Francisco 10
Santa Barbara 5
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 366
Other - UC 372
Other-Network UC 8
_____
779
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 0
Los Angeles 0
Riverside 0
San Diego 397
San Francisco 219
Santa Barbara 28
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 8,299
Other-Network UC 0
_____
8,943
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 6.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 7:43
Longest session recorded (minutes:seconds) 119:42
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 980.5
Retrievals per search - standard deviation 7076.4
Percent of searches completed with 0 results 53.3%
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 779 22.9%
PRESENT 2,046 60.2%
INIT or CLOSE 573 16.8%
OTHER 3 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 62 7.0% 40 64.5% 38 214.6 370.6
TITLE WORD 74 8.3% 31 41.9% 7 122.8 385.9
EXACT TITLE 13 1.5% 4 30.8% 2 11.1 16.5
JOURNAL TITLE 21 2.4% 17 80.9% 704 698.5 599.9
EXACT JOURNAL 54 6.1% 6 11.1% 1,500 6381.8 7894.4
SUBJECT WORD 41 4.6% 17 41.5% 19 418.2 1543.7
EXACT SUBJECT 5 0.6% 2 40.0% 12 38.7 47.9
KEYWORD 538 60.4% 312 58.0% 18 1926.2 12277.0
DATE 13 1.5% 8 61.5% 4 345.6 757.2
ADDED SINCE 10 1.1% 8 80.0% 8 7.5 6.4
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 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 4 0.4% 0 0.0% 28 35.0 35.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 55 6.2% 19 34.5% 20 5097.4 26580.3
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 97 12.5% 40 41.2% 19 3267.6 21153.3
Single 682 87.5% 375 55.0% 25 1881.3 6506.7
PRESENT commands, by type:
MARC 62.3%
OPAC 18.8%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w