MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/26/02 through 02/01/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 109 571
2-4 a.m. 24 284
4-6 a.m. 14 11
6-8 a.m. 18 4
8-10 a.m. 162 1,121
10-12 a.m. 464 5,103
12-2 p.m. 711 6,048
2-4 p.m. 664 7,849
4-6 p.m. 547 6,761
6-8 p.m. 288 4,014
8-10 p.m. 235 2,347
10-12 p.m. 200 1,911
__________ _____________ _________________
Total: 3,436 36,024
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 23
Irvine 0
Los Angeles 12
Riverside 0
San Diego 14
San Francisco 6
Santa Barbara 7
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,444
Searchlight 1,825
Other - UC 105
Other-Network UC 0
_____
3,436
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 2
Riverside 0
San Diego 0
San Francisco 60
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 35,390
Searchlight 9
Other - UC 563
Other-Network UC 0
_____
36,024
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 1.0
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
_________________________________________
Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 6:25
Longest session recorded (minutes:seconds) 149:22
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 797.6
Retrievals per search - standard deviation 4877.7
Percent of searches completed with 0 results 37.8%
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 3,436 27.1%
PRESENT 6,704 52.8%
INIT or CLOSE 2,550 20.1%
OTHER 8 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 121 2.9% 69 57.0% 29 261.5 580.3
TITLE WORD 232 5.6% 129 55.6% 14 261.0 1001.8
EXACT TITLE 13 0.3% 10 76.9% 1,300 1714.3 1923.3
JOURNAL TITLE 3 0.1% 3 100% 0 0.0 0.0
EXACT JOURNAL 118 2.9% 62 52.5% 13 247.1 921.0
SUBJECT WORD 177 4.3% 117 66.1% 13 569.1 1590.1
EXACT SUBJECT 99 2.4% 17 17.2% 5 422.1 1680.3
KEYWORD 2,872 69.7% 1,010 35.2% 32 1414.2 6542.0
DATE 133 3.2% 70 52.6% 14 83.7 147.0
ADDED SINCE 23 0.6% 18 78.3% 1 1.2 0.4
PUB TYPE 7 0.2% 6 85.7% 64 64.0 0.0
SUBFILE 4 0.1% 3 75.0% 2 2.0 0.0
ID 1 0.0% 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 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 318 7.7% 83 26.1% 32 1087.3 4766.7
Other indexes 1 0.0% 0 0.0% 86 86.0 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 515 15.0% 186 36.1% 25 827.8 4055.5
Single 2,921 85.0% 1,113 38.1% 29 1365.2 6439.1
PRESENT commands, by type:
MARC 43.5%
OPAC 41.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (