MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/21/01 through 07/27/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 104 911
2-4 a.m. 14 143
4-6 a.m. 10 16
6-8 a.m. 24 98
8-10 a.m. 161 590
10-12 a.m. 451 2,291
12-2 p.m. 378 5,479
2-4 p.m. 499 4,465
4-6 p.m. 369 6,422
6-8 p.m. 163 1,994
8-10 p.m. 122 1,077
10-12 p.m. 121 429
__________ _____________ _________________
Total: 2,416 23,915
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 1
Irvine 0
Los Angeles 25
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 7
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 73
Searchlight 992
Other - UC 1,309
Other-Network UC 4
_____
2,416
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4
Davis 2
Irvine 0
Los Angeles 131
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 8
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 23,756
Other-Network UC 14
_____
23,915
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 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:20
Longest session recorded (minutes:seconds) 87:43
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 637.1
Retrievals per search - standard deviation 5605.4
Percent of searches completed with 0 results 37.0%
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 2,416 29.4%
PRESENT 4,239 51.7%
INIT or CLOSE 1,545 18.8%
OTHER 5 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 2.6% 49 57.0% 44 245.6 500.7
TITLE WORD 173 5.3% 77 44.5% 7 420.7 1886.1
EXACT TITLE 16 0.5% 15 93.8% 1 1.0 0.0
JOURNAL TITLE 8 0.2% 5 62.5% 356 239.3 206.4
EXACT JOURNAL 239 7.3% 44 18.4% 11 94.4 332.6
SUBJECT WORD 308 9.4% 94 30.5% 10 375.3 2893.3
EXACT SUBJECT 63 1.9% 16 25.4% 12 142.7 496.7
KEYWORD 1,881 57.6% 693 36.8% 20 1176.2 7841.9
DATE 296 9.1% 67 22.6% 11 67.0 212.9
ADDED SINCE 37 1.1% 29 78.4% 1 695.3 1960.4
PUB TYPE 7 0.2% 7 100% 0 0.0 0.0
SUBFILE 3 0.1% 2 66.7% 1 1.0 0.0
ID 6 0.2% 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 13 0.4% 6 46.2% 2 3.4 3.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 127 3.9% 42 33.1% 41 580.2 1087.8
Other indexes 1 0.0% 1 100% 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 516 21.4% 164 31.8% 13 204.7 624.6
Single 1,900 78.6% 729 38.4% 20 1253.0 7999.5
PRESENT commands, by type:
MARC 47.5%
OPAC 32.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (