MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 70 149
2-4 a.m. 17 117
4-6 a.m. 3 24
6-8 a.m. 27 66
8-10 a.m. 121 683
10-12 a.m. 221 1,131
12-2 p.m. 263 1,279
2-4 p.m. 321 1,753
4-6 p.m. 233 2,249
6-8 p.m. 198 852
8-10 p.m. 89 351
10-12 p.m. 130 1,016
__________ _____________ _________________
Total: 1,693 9,670
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 65
Irvine 0
Los Angeles 148
Riverside 2
San Diego 7
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 569
Other - UC 893
Other-Network UC 9
_____
1,693
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 40
Irvine 0
Los Angeles 4
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 9,303
Other-Network UC 323
_____
9,670
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.6
Standard deviation in seconds 3.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:06
Average session length (minutes:seconds) 6:03
Longest session recorded (minutes:seconds) 107:59
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 231.5
Retrievals per search - standard deviation 2196.0
Percent of searches completed with 0 results 47.1%
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 1,693 34.2%
PRESENT 2,204 44.5%
INIT or CLOSE 1,056 21.3%
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 257 9.7% 222 86.4% 15 225.7 479.5
TITLE WORD 246 9.3% 188 76.4% 6 72.0 209.8
EXACT TITLE 18 0.7% 13 72.2% 1 57.2 125.7
JOURNAL TITLE 5 0.2% 4 80.0% 33 33.0 0.0
EXACT JOURNAL 231 8.8% 69 29.9% 4 70.2 433.6
SUBJECT WORD 352 13.3% 113 32.1% 4 31.6 157.8
EXACT SUBJECT 45 1.7% 10 22.2% 3 101.0 297.3
KEYWORD 952 36.1% 414 43.5% 16 685.3 3853.8
DATE 415 15.7% 242 58.3% 4 36.3 148.4
ADDED SINCE 39 1.5% 32 82.1% 12 8.9 5.4
PUB TYPE 2 0.1% 2 100% 0 0.0 0.0
SUBFILE 1 0.0% 1 100% 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 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 74 2.8% 23 31.1% 40 235.0 543.4
Other indexes 2 0.1% 2 100% 0 0.0 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 556 32.8% 319 57.4% 5 114.1 453.8
Single 1,137 67.2% 479 42.1% 10 554.4 3488.7
PRESENT commands, by type:
MARC 51.0%
OPAC 28.2%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (