MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/11/02 through 05/17/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 143 676
2-4 a.m. 36 153
4-6 a.m. 10 66
6-8 a.m. 35 23
8-10 a.m. 140 1,127
10-12 a.m. 469 4,866
12-2 p.m. 569 5,702
2-4 p.m. 673 5,103
4-6 p.m. 608 4,769
6-8 p.m. 417 7,226
8-10 p.m. 258 2,770
10-12 p.m. 233 2,270
__________ _____________ _________________
Total: 3,591 34,751
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 5
Irvine 2
Los Angeles 0
Riverside 0
San Diego 52
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,756
Searchlight 1,738
Other - UC 31
Other-Network UC 4
_____
3,591
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 8
Davis 0
Irvine 3
Los Angeles 0
Riverside 0
San Diego 124
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 34,228
Searchlight 1
Other - UC 387
Other-Network UC 0
_____
34,751
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 1.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:05
Longest session recorded (minutes:seconds) 155:13
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 759.8
Retrievals per search - standard deviation 22239
Percent of searches completed with 0 results 40.4%
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 3,591 28.2%
PRESENT 6,697 52.5%
INIT or CLOSE 2,464 19.3%
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 142 3.2% 82 57.7% 17 105.0 288.4
TITLE WORD 217 4.9% 76 35.0% 6 653.2 3951.8
EXACT TITLE 32 0.7% 27 84.4% 1 49.2 99.1
JOURNAL TITLE 7 0.2% 6 85.7% 1 1.0 0.0
EXACT JOURNAL 131 3.0% 34 26.0% 28 1760.4 14728.4
SUBJECT WORD 214 4.9% 111 51.9% 22 1026.0 3683.8
EXACT SUBJECT 93 2.1% 20 21.5% 7 109.7 429.9
KEYWORD 2,962 67.3% 1,165 39.3% 18 588.9 3243.7
DATE 151 3.4% 49 32.4% 12 56.8 179.7
ADDED SINCE 24 0.5% 24 100% 0 0.0 0.0
PUB TYPE 11 0.2% 7 63.6% 3 10.3 15.9
SUBFILE 3 0.1% 3 100% 0 0.0 0.0
ID 5 0.1% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 0 0.0% 1.32E6 1316544 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 6 0.1% 2 33.3% 6 18.3 27.9
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 395 9.0% 100 25.3% 27 935.6 8807.4
Other indexes 10 0.2% 10 100% 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 630 17.5% 195 30.9% 24 696.2 7261.8
Single 2,961 82.5% 1,255 42.4% 16 1421.7 32047.5
PRESENT commands, by type:
MARC 45.5%
OPAC 40.8%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (