MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 11/17/01 through 11/23/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 51 395
2-4 a.m. 20 321
4-6 a.m. 19 204
6-8 a.m. 15 0
8-10 a.m. 58 491
10-12 a.m. 210 2,155
12-2 p.m. 265 1,793
2-4 p.m. 334 3,457
4-6 p.m. 229 3,215
6-8 p.m. 103 929
8-10 p.m. 138 1,337
10-12 p.m. 61 97
__________ _____________ _________________
Total: 1,503 14,394
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 5
Irvine 4
Los Angeles 8
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 6
Santa Cruz 5
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 653
Other - UC 805
Other-Network UC 13
_____
1,503
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 5
Davis 0
Irvine 19
Los Angeles 50
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 3
Santa Cruz 59
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 14,244
Other-Network UC 14
_____
14,394
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
Standard deviation in seconds 1.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:12
Average session length (minutes:seconds) 7:42
Longest session recorded (minutes:seconds) 58:09
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 757.5
Retrievals per search - standard deviation 5022.5
Percent of searches completed with 0 results 54.2%
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 1,503 28.9%
PRESENT 2,666 51.3%
INIT or CLOSE 1,019 19.6%
OTHER 4 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 97 5.6% 64 66.0% 5 73.2 144.1
TITLE WORD 143 8.3% 94 65.7% 4 272.1 1114.2
EXACT TITLE 20 1.2% 16 80.0% 2 7.5 11.7
JOURNAL TITLE 10 0.6% 10 100% 0 0.0 0.0
EXACT JOURNAL 132 7.7% 22 16.7% 860 5809.0 11854.1
SUBJECT WORD 85 4.9% 61 71.8% 15 275.5 657.7
EXACT SUBJECT 27 1.6% 9 33.3% 18 1749.2 6275.4
KEYWORD 1,037 60.4% 578 55.7% 12 972.3 6353.5
DATE 33 1.9% 18 54.5% 152 2113.2 6875.7
ADDED SINCE 7 0.4% 5 71.4% 8 8.0 7.1
PUB TYPE 5 0.3% 3 60.0% 2 1.5 0.7
SUBFILE 2 0.1% 2 100% 0 0.0 0.0
ID 3 0.2% 0 0.0% 1 1.0 0.0
ISSN 2 0.1% 1 50.0% 133 133.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 2 0.1% 2 100% 0 0.0 0.0
ARTICLE 14 0.8% 5 35.7% 68 135.9 214.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 99 5.8% 42 42.4% 20 1988.7 6590.6
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 179 11.9% 93 52.0% 28 1699.9 6076.6
Single 1,324 88.1% 721 54.5% 17 1645.7 7485.3
PRESENT commands, by type:
MARC 51.9%
OPAC 28.3%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w