MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/20/01 through 01/26/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 142 2,019
2-4 a.m. 48 685
4-6 a.m. 20 97
6-8 a.m. 37 448
8-10 a.m. 237 1,864
10-12 a.m. 679 6,398
12-2 p.m. 809 9,461
2-4 p.m. 1,025 12,039
4-6 p.m. 854 9,527
6-8 p.m. 534 4,700
8-10 p.m. 335 4,576
10-12 p.m. 208 2,093
__________ _____________ _________________
Total: 4,928 53,907
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 1
Irvine 0
Los Angeles 7
Riverside 2
San Diego 13
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,460
Searchlight 2,350
Other - UC 86
Other-Network UC 3
_____
4,928
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 67
Davis 203
Irvine 0
Los Angeles 30
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 52,465
Searchlight 95
Other - UC 1,039
Other-Network UC 8
_____
53,907
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 5.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.7
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:39
Longest session recorded (minutes:seconds) 108:45
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 799.5
Retrievals per search - standard deviation 18907
Percent of searches completed with 0 results 37.2%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,928 26.4%
PRESENT 10,370 55.6%
INIT or CLOSE 3,313 17.8%
OTHER 48 0.3%
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 117 1.9% 62 53.0% 11 330.1 710.9
TITLE WORD 329 5.4% 132 40.1% 11 401.9 2026.7
EXACT TITLE 33 0.5% 20 60.6% 1 5.7 13.7
JOURNAL TITLE 12 0.2% 11 91.7% 1.29E6 1289086 0.0
EXACT JOURNAL 186 3.1% 73 39.2% 22 316.5 691.4
SUBJECT WORD 374 6.2% 165 44.1% 19 647.9 3216.7
EXACT SUBJECT 260 4.3% 60 23.1% 8 127.7 353.0
KEYWORD 3,939 64.9% 1,468 37.3% 20 968.9 6276.0
DATE 232 3.8% 93 40.1% 13 362.2 1117.7
ADDED SINCE 50 0.8% 40 80.0% 2 70.4 211.1
PUB TYPE 14 0.2% 10 71.4% 137 185.8 198.8
SUBFILE 13 0.2% 8 61.5% 86 127.4 167.4
ID 3 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 5 0.1% 2 40.0% 16 15.0 1.7
ARTICLE 2 0.0% 1 50.0% 2 2.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 497 8.2% 131 26.4% 36 738.5 4053.2
Other indexes 4 0.1% 1 25.0% 17 13.3 6.4
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 828 16.8% 282 34.1% 21 594.8 3371.9
Single 4,100 83.2% 1,552 37.9% 18 1418.8 26234.5
PRESENT commands, by type:
MARC 45.0%
OPAC 38.2%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (