MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/09/01 through 06/15/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 205 607
2-4 a.m. 59 143
4-6 a.m. 19 332
6-8 a.m. 24 101
8-10 a.m. 142 384
10-12 a.m. 399 1,964
12-2 p.m. 360 3,954
2-4 p.m. 494 4,736
4-6 p.m. 293 2,598
6-8 p.m. 276 4,551
8-10 p.m. 228 2,056
10-12 p.m. 138 1,819
__________ _____________ _________________
Total: 2,637 23,245
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 9
Irvine 0
Los Angeles 3
Riverside 0
San Diego 10
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,301
Searchlight 1,282
Other - UC 29
Other-Network UC 2
_____
2,637
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1
Davis 78
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 22,536
Searchlight 174
Other - UC 456
Other-Network UC 0
_____
23,245
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 1.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:31
Longest session recorded (minutes:seconds) 126:11
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 504.1
Retrievals per search - standard deviation 5619.4
Percent of searches completed with 0 results 40.0%
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 2,637 29.1%
PRESENT 4,717 52.1%
INIT or CLOSE 1,701 18.8%
OTHER 2 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 105 3.0% 56 53.3% 8 200.9 523.9
TITLE WORD 196 5.6% 69 35.2% 11 667.5 6206.6
EXACT TITLE 22 0.6% 18 81.8% 4 6.8 8.5
JOURNAL TITLE 6 0.2% 5 83.3% 1 1.0 0.0
EXACT JOURNAL 294 8.4% 29 9.9% 25 79.2 313.0
SUBJECT WORD 313 8.9% 88 28.1% 26 93.4 612.1
EXACT SUBJECT 105 3.0% 17 16.2% 5 943.1 3537.9
KEYWORD 1,975 56.3% 853 43.2% 16 1006.9 8265.8
DATE 315 9.0% 51 16.2% 25 75.7 313.6
ADDED SINCE 34 1.0% 30 88.2% 4 3.8 2.2
PUB TYPE 10 0.3% 5 50.0% 1 12.0 18.6
SUBFILE 1 0.0% 0 0.0% 1,265 1265.0 0.0
ID 2 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 7 0.2% 4 57.1% 2 6.0 6.9
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 123 3.5% 30 24.4% 16 198.6 504.8
Other indexes 1 0.0% 0 0.0% 1,334 1334.0 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 544 20.6% 134 24.6% 16 101.0 357.0
Single 2,093 79.4% 921 44.0% 16 1098.9 8390.4
PRESENT commands, by type:
MARC 43.7%
OPAC 34.2%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (