MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/16/01 through 06/22/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 17 869
2-4 a.m. 10 105
4-6 a.m. 2 0
6-8 a.m. 9 61
8-10 a.m. 54 346
10-12 a.m. 145 745
12-2 p.m. 93 410
2-4 p.m. 149 1,687
4-6 p.m. 83 412
6-8 p.m. 23 15
8-10 p.m. 32 483
10-12 p.m. 19 164
__________ _____________ _________________
Total: 636 5,297
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 3
Irvine 0
Los Angeles 11
Riverside 0
San Diego 3
San Francisco 0
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 3
Lawrence Livermore 0
Los Alamos 0
MELWEB 55
Searchlight 358
Other - UC 195
Other-Network UC 6
_____
636
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 4
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,661
Searchlight 869
Other - UC 2,755
Other-Network UC 0
_____
5,297
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 0.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:08
Average session length (minutes:seconds) 5:18
Longest session recorded (minutes:seconds) 68:59
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 664.0
Retrievals per search - standard deviation 6391.0
Percent of searches completed with 0 results 62.1%
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 636 30.2%
PRESENT 971 46.1%
INIT or CLOSE 496 23.6%
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 42 6.1% 33 78.6% 1 2.2 2.5
TITLE WORD 60 8.6% 35 58.3% 14 163.1 401.1
EXACT TITLE 5 0.7% 5 100% 0 0.0 0.0
JOURNAL TITLE 11 1.6% 10 90.9% 205 205.0 0.0
EXACT JOURNAL 45 6.5% 6 13.3% 766 4652.4 7352.7
SUBJECT WORD 21 3.0% 15 71.4% 131 201.5 258.3
EXACT SUBJECT 7 1.0% 2 28.6% 27 134.2 171.4
KEYWORD 456 65.7% 300 65.8% 18 1497.4 12171.4
DATE 16 2.3% 9 56.3% 14 73.4 140.1
ADDED SINCE 11 1.6% 8 72.7% 26 43.0 45.0
PUB TYPE 6 0.9% 2 33.3% 197 242.3 254.5
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 3 0.4% 2 66.7% 1 1.0 0.0
ISSN 1 0.1% 0 0.0% 1,193 1193.0 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 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 10 1.4% 7 70.0% 2 1.7 0.6
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 52 8.2% 33 63.5% 26 90.7 157.9
Single 584 91.8% 362 62.0% 27 1894.5 10724.8
PRESENT commands, by type:
MARC 45.3%
OPAC 33.6%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w