MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 19 0
2-4 a.m. 11 771
4-6 a.m. 1 655
6-8 a.m. 18 92
8-10 a.m. 83 93
10-12 a.m. 159 1,623
12-2 p.m. 179 612
2-4 p.m. 162 859
4-6 p.m. 149 1,229
6-8 p.m. 55 254
8-10 p.m. 23 1,305
10-12 p.m. 12 582
__________ _____________ _________________
Total: 871 8,075
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 67
Irvine 0
Los Angeles 189
Riverside 18
San Diego 7
San Francisco 3
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 247
Other - UC 338
Other-Network UC 0
_____
871
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 10
Irvine 0
Los Angeles 8
Riverside 2
San Diego 0
San Francisco 15
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 8,040
Other-Network UC 0
_____
8,075
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 0.5
Standard deviation in seconds 1.0
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 7:39
Longest session recorded (minutes:seconds) 95:04
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 655.2
Retrievals per search - standard deviation 7228.2
Percent of searches completed with 0 results 66.2%
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 871 32.7%
PRESENT 1,350 50.7%
INIT or CLOSE 441 16.6%
OTHER 1 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 325 23.5% 293 90.2% 2 42.1 152.9
TITLE WORD 250 18.1% 224 89.6% 11 407.7 951.0
EXACT TITLE 9 0.7% 8 88.9% 34 34.0 0.0
JOURNAL TITLE 39 2.8% 31 79.5% 82 505.0 1141.1
EXACT JOURNAL 25 1.8% 3 12.0% 2,660 6818.9 9777.9
SUBJECT WORD 36 2.6% 30 83.3% 9 156.3 236.5
EXACT SUBJECT 9 0.7% 3 33.3% 504 534.2 554.1
KEYWORD 396 28.6% 195 49.2% 19 1994.1 14483.9
DATE 240 17.4% 229 95.4% 2 8.6 20.2
ADDED SINCE 12 0.9% 9 75.0% 81 58.3 39.3
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 2 0.1% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 1 0.1% 0 0.0% 521 521.0 0.0
ILLUS 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 10 0.7% 0 0.0% 13 333.5 916.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 27 2.0% 13 48.1% 73 4774.2 17244.8
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 332 38.1% 285 85.8% 11 1516.4 9424.8
Single 539 61.9% 292 54.2% 20 2021.8 12850.8
PRESENT commands, by type:
MARC 41.9%
OPAC 25.5%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w