MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/16/02 through 02/22/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 123 1,141
2-4 a.m. 40 789
4-6 a.m. 12 11
6-8 a.m. 23 196
8-10 a.m. 159 1,656
10-12 a.m. 439 4,083
12-2 p.m. 672 8,417
2-4 p.m. 873 10,371
4-6 p.m. 663 6,154
6-8 p.m. 398 4,491
8-10 p.m. 397 11,240
10-12 p.m. 230 2,359
__________ _____________ _________________
Total: 4,029 50,908
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 7
Davis 3
Irvine 0
Los Angeles 3
Riverside 0
San Diego 4
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,102
Searchlight 1,760
Other - UC 149
Other-Network UC 0
_____
4,029
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 86
San Francisco 3
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 49,603
Searchlight 0
Other - UC 1,215
Other-Network UC 0
_____
50,908
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 1.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 8:06
Longest session recorded (minutes:seconds) 141:25
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 918.6
Retrievals per search - standard deviation 13310
Percent of searches completed with 0 results 35.6%
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 4,029 24.6%
PRESENT 9,757 59.5%
INIT or CLOSE 2,609 15.9%
OTHER 6 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 156 3.0% 81 51.9% 9 217.2 465.4
TITLE WORD 368 7.1% 128 34.8% 5 495.8 2359.5
EXACT TITLE 24 0.5% 13 54.2% 1 6.9 12.0
JOURNAL TITLE 8 0.2% 6 75.0% 261 260.5 364.2
EXACT JOURNAL 246 4.7% 51 20.7% 7 146.7 861.1
SUBJECT WORD 258 5.0% 136 52.7% 19 1995.7 7271.6
EXACT SUBJECT 185 3.6% 18 9.7% 14 365.3 1724.7
KEYWORD 3,133 60.4% 1,112 35.5% 21 1676.4 18711.6
DATE 326 6.3% 72 22.1% 8 118.5 535.7
ADDED SINCE 34 0.7% 29 85.3% 9 17.6 16.1
PUB TYPE 16 0.3% 9 56.3% 11 16.6 15.6
SUBFILE 2 0.0% 0 0.0% 1,487 1486.5 2041.4
ID 2 0.0% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 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 8 0.2% 1 12.5% 1 20.7 51.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 419 8.1% 99 23.6% 31 498.6 2351.4
Other indexes 3 0.1% 1 33.3% 2,580 2580.0 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 783 19.4% 193 24.6% 17 571.1 3364.7
Single 3,246 80.6% 1,242 38.3% 19 1678.6 18753.5
PRESENT commands, by type:
MARC 44.0%
OPAC 39.6%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (