MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/10/01 through 02/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 168 1,233
2-4 a.m. 61 441
4-6 a.m. 18 26
6-8 a.m. 31 343
8-10 a.m. 243 5,684
10-12 a.m. 759 8,026
12-2 p.m. 822 10,127
2-4 p.m. 948 10,811
4-6 p.m. 707 7,275
6-8 p.m. 543 8,220
8-10 p.m. 353 5,062
10-12 p.m. 199 5,913
__________ _____________ _________________
Total: 4,852 63,161
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 7
Irvine 0
Los Angeles 11
Riverside 1
San Diego 16
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,504
Searchlight 2,190
Other - UC 121
Other-Network UC 2
_____
4,852
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 58
Irvine 0
Los Angeles 28
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 61,185
Searchlight 147
Other - UC 1,743
Other-Network UC 0
_____
63,161
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 4.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.7
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:07
Longest session recorded (minutes:seconds) 111:48
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 335.5
Retrievals per search - standard deviation 3078.7
Percent of searches completed with 0 results 38.3%
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 4,852 24.3%
PRESENT 11,892 59.5%
INIT or CLOSE 3,243 16.2%
OTHER 15 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 206 3.4% 92 44.7% 21 193.1 405.1
TITLE WORD 375 6.1% 137 36.5% 7 380.2 2545.3
EXACT TITLE 33 0.5% 24 72.7% 7 48.4 98.4
JOURNAL TITLE 7 0.1% 6 85.7% 154 154.0 0.0
EXACT JOURNAL 189 3.1% 42 22.2% 10 150.7 619.9
SUBJECT WORD 335 5.5% 172 51.3% 13 188.6 789.2
EXACT SUBJECT 213 3.5% 37 17.4% 11 214.2 799.3
KEYWORD 3,861 63.0% 1,478 38.3% 17 609.5 4289.6
DATE 238 3.9% 78 32.8% 8 96.4 621.1
ADDED SINCE 53 0.9% 39 73.6% 6 6.9 4.4
PUB TYPE 22 0.4% 15 68.2% 12 124.7 287.5
SUBFILE 14 0.2% 7 50.0% 6 11.7 13.9
ID 8 0.1% 0 0.0% 1 1.0 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 9 0.1% 3 33.3% 3 19.2 40.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 551 9.0% 143 25.9% 20 326.0 1719.6
Other indexes 15 0.2% 13 86.7% 13 13.0 14.1
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 899 18.5% 281 31.3% 13 248.4 1416.9
Single 3,953 81.5% 1,578 39.9% 16 620.9 4321.4
PRESENT commands, by type:
MARC 45.4%
OPAC 34.3%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (