MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/25/02 through 05/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 105 518
2-4 a.m. 35 186
4-6 a.m. 28 9
6-8 a.m. 23 233
8-10 a.m. 166 1,224
10-12 a.m. 451 4,683
12-2 p.m. 579 5,387
2-4 p.m. 611 4,706
4-6 p.m. 497 4,345
6-8 p.m. 247 2,126
8-10 p.m. 236 2,379
10-12 p.m. 234 2,672
__________ _____________ _________________
Total: 3,212 28,468
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 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 8
Santa Barbara 0
Santa Cruz 4
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,582
Searchlight 1,607
Other - UC 10
Other-Network UC 0
_____
3,212
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 5
Santa Barbara 0
Santa Cruz 22
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 28,410
Searchlight 0
Other - UC 31
Other-Network UC 0
_____
28,468
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 2.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:15
Longest session recorded (minutes:seconds) 126:44
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 457.2
Retrievals per search - standard deviation 5941.5
Percent of searches completed with 0 results 39.9%
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 3,212 29.3%
PRESENT 5,492 50.0%
INIT or CLOSE 2,269 20.7%
OTHER 6 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 86 2.2% 43 50.0% 5 192.1 442.8
TITLE WORD 194 5.0% 75 38.7% 6 286.7 1100.4
EXACT TITLE 25 0.6% 18 72.0% 1 34.0 86.0
JOURNAL TITLE 14 0.4% 13 92.9% 820 820.0 0.0
EXACT JOURNAL 64 1.6% 21 32.8% 6 125.5 306.0
SUBJECT WORD 210 5.4% 125 59.5% 33 215.1 645.4
EXACT SUBJECT 90 2.3% 18 20.0% 7 273.1 1438.4
KEYWORD 2,695 69.3% 1,058 39.3% 20 847.7 8292.3
DATE 88 2.3% 31 35.2% 6 120.1 372.0
ADDED SINCE 29 0.7% 25 86.2% 3 98.5 193.0
PUB TYPE 6 0.2% 3 50.0% 46 108.3 148.6
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 0 0.0% 0 0.0% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 7 0.2% 6 85.7% 1 1.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 372 9.6% 114 30.6% 44 727.4 2480.2
Other indexes 5 0.1% 3 60.0% 1,163 1163.0 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 537 16.7% 200 37.2% 27 587.5 2190.7
Single 2,675 83.3% 1,081 40.4% 17 797.0 8358.1
PRESENT commands, by type:
MARC 44.6%
OPAC 37.9%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (