MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/02/02 through 02/08/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 30 414
2-4 a.m. 23 140
4-6 a.m. 24 143
6-8 a.m. 7 4
8-10 a.m. 81 961
10-12 a.m. 254 1,619
12-2 p.m. 242 929
2-4 p.m. 350 2,353
4-6 p.m. 296 1,234
6-8 p.m. 108 307
8-10 p.m. 131 512
10-12 p.m. 69 940
__________ _____________ _________________
Total: 1,615 9,556
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 11
Irvine 0
Los Angeles 19
Riverside 0
San Diego 0
San Francisco 5
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 711
Searchlight 779
Other - UC 84
Other-Network UC 1
_____
1,615
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 20
Davis 0
Irvine 0
Los Angeles 37
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 9,187
Searchlight 147
Other - UC 164
Other-Network UC 0
_____
9,556
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 1.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:06
Average session length (minutes:seconds) 7:04
Longest session recorded (minutes:seconds) 114:00
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 1191.3
Retrievals per search - standard deviation 13284
Percent of searches completed with 0 results 51.9%
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 1,615 32.3%
PRESENT 2,236 44.7%
INIT or CLOSE 1,128 22.6%
OTHER 19 0.4%
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 108 5.7% 91 84.3% 4 17.6 26.4
TITLE WORD 128 6.7% 88 68.8% 49 701.4 2103.3
EXACT TITLE 8 0.4% 8 100% 0 0.0 0.0
JOURNAL TITLE 30 1.6% 26 86.7% 162 5237.3 10259.6
EXACT JOURNAL 76 4.0% 5 6.6% 2,403 11162.0 22991.8
SUBJECT WORD 67 3.5% 42 62.7% 29 154.3 288.8
EXACT SUBJECT 13 0.7% 5 38.5% 34 969.4 1541.1
KEYWORD 1,238 65.1% 611 49.4% 6 1710.7 19530.1
DATE 20 1.1% 13 65.0% 36 515.1 1015.5
ADDED SINCE 4 0.2% 3 75.0% 29 29.0 0.0
PUB TYPE 3 0.2% 2 66.7% 323 323.0 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 1 0.1% 1 100% 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 5 0.3% 2 40.0% 323 302.7 158.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 198 10.4% 54 27.3% 2 1935.6 11313.8
Other indexes 4 0.2% 3 75.0% 58 58.0 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 269 16.7% 102 37.9% 2 1706.6 10518.8
Single 1,346 83.3% 737 54.8% 13 2691.1 20831.2
PRESENT commands, by type:
MARC 47.6%
OPAC 33.0%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w