MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 04/21/01 through 04/27/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 138 901
2-4 a.m. 28 411
4-6 a.m. 29 248
6-8 a.m. 34 94
8-10 a.m. 299 4,695
10-12 a.m. 643 6,697
12-2 p.m. 896 8,998
2-4 p.m. 1,154 12,236
4-6 p.m. 910 12,665
6-8 p.m. 600 7,011
8-10 p.m. 475 9,621
10-12 p.m. 359 6,064
__________ _____________ _________________
Total: 5,565 69,641
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 1
Irvine 0
Los Angeles 2
Riverside 0
San Diego 82
San Francisco 0
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,866
Searchlight 2,425
Other - UC 183
Other-Network UC 4
_____
5,565
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4
Davis 0
Irvine 0
Los Angeles 27
Riverside 0
San Diego 28
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 66,626
Searchlight 43
Other - UC 2,469
Other-Network UC 444
_____
69,641
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 2.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:23
Longest session recorded (minutes:seconds) 173:31
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 516.9
Retrievals per search - standard deviation 7039.2
Percent of searches completed with 0 results 37.8%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 5,565 24.4%
PRESENT 13,613 59.6%
INIT or CLOSE 3,640 16.0%
OTHER 3 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 184 2.7% 101 54.9% 17 398.9 892.6
TITLE WORD 493 7.1% 188 38.1% 7 573.6 4275.9
EXACT TITLE 34 0.5% 23 67.6% 4 470.6 1299.6
JOURNAL TITLE 6 0.1% 6 100% 0 0.0 0.0
EXACT JOURNAL 188 2.7% 54 28.7% 33 573.1 2748.5
SUBJECT WORD 368 5.3% 177 48.1% 19 358.7 2390.7
EXACT SUBJECT 274 4.0% 43 15.7% 8 865.6 7710.9
KEYWORD 4,393 63.5% 1,691 38.5% 20 885.6 9703.4
DATE 245 3.5% 65 26.5% 16 202.4 923.5
ADDED SINCE 39 0.6% 30 76.9% 3 6.9 11.4
PUB TYPE 49 0.7% 30 61.2% 6 2402.8 6943.9
SUBFILE 13 0.2% 7 53.8% 458 454.2 488.4
ID 6 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 5 0.1% 2 40.0% 7 131.7 219.4
ARTICLE 13 0.2% 6 46.2% 4 6.6 7.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 598 8.6% 144 24.1% 23 504.7 2430.0
Other indexes 11 0.2% 8 72.7% 581 584.7 253.5
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 1,055 19.0% 349 33.1% 19 456.8 2321.7
Single 4,510 81.0% 1,756 38.9% 18 927.3 9919.1
PRESENT commands, by type:
MARC 48.2%
OPAC 37.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (