MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/00 through 03/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 559 6,879
2-4 a.m. 211 1,828
4-6 a.m. 69 419
6-8 a.m. 158 793
8-10 a.m. 1,267 12,517
10-12 a.m. 2,968 39,992
12-2 p.m. 4,233 52,346
2-4 p.m. 4,756 61,151
4-6 p.m. 3,416 48,865
6-8 p.m. 2,363 35,233
8-10 p.m. 1,952 23,812
10-12 p.m. 1,309 19,993
__________ _____________ _________________
Total: 23,261 303,828
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 42
Davis 6
Irvine 10
Los Angeles 2
Riverside 0
San Diego 1,304
San Francisco 24
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 20,639
Searchlight 312
Other - UC 730
Other-Network UC 191
_____
23,261
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 150
Davis 106
Irvine 56
Los Angeles 1
Riverside 0
San Diego 648
San Francisco 79
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 67
Los Alamos 0
MELWEB 290,193
Searchlight 908
Other - UC 5,619
Other-Network UC 6,001
_____
303,828
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 10.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 2.3
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 8:11
Longest session recorded (minutes:seconds) 197:55
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 612.8
Retrievals per search - standard deviation 6356.8
Percent of searches completed with 0 results 35.0%
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 23,261 23.4%
PRESENT 62,614 63.1%
INIT or CLOSE 13,279 13.4%
OTHER 88 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 863 2.9% 398 46.1% 9 1072.6 17885.1
TITLE WORD 1,851 6.2% 667 36.0% 7 596.6 5413.0
EXACT TITLE 171 0.6% 122 71.3% 1 63.4 243.2
JOURNAL TITLE 269 0.9% 96 35.7% 15 4540.7 41214.0
EXACT JOURNAL 698 2.4% 234 33.5% 12 1115.1 10523.3
SUBJECT WORD 2,064 7.0% 1,026 49.7% 13 355.6 2174.9
EXACT SUBJECT 1,228 4.1% 248 20.2% 9 576.6 5445.9
KEYWORD 17,996 60.7% 6,152 34.2% 20 989.7 7503.6
DATE 1,303 4.4% 473 36.3% 10 54.2 137.2
ADDED SINCE 135 0.5% 94 69.6% 3 43.1 164.3
PUB TYPE 112 0.4% 81 72.3% 7 147.4 366.0
SUBFILE 49 0.2% 35 71.4% 7 526.1 1179.2
ID 21 0.1% 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 7 0.0% 5 71.4% 2 1.5 0.7
ARTICLE 81 0.3% 41 50.6% 5 26.0 78.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,745 9.3% 815 29.7% 25 1036.9 8366.1
Other indexes 44 0.1% 19 43.2% 28 1557.0 4793.4
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 4,662 20.0% 1,570 33.7% 15 941.7 11801.6
Single 18,599 80.0% 6,568 35.3% 19 942.9 6477.1
PRESENT commands, by type:
MARC 49.4%
OPAC 34.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (