MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/10/01 through 03/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 172 2,653
2-4 a.m. 89 723
4-6 a.m. 36 140
6-8 a.m. 38 135
8-10 a.m. 253 2,645
10-12 a.m. 686 4,948
12-2 p.m. 967 11,957
2-4 p.m. 1,042 10,559
4-6 p.m. 872 8,896
6-8 p.m. 563 5,946
8-10 p.m. 501 5,927
10-12 p.m. 331 3,022
__________ _____________ _________________
Total: 5,550 57,551
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 40
Irvine 0
Los Angeles 3
Riverside 0
San Diego 22
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,883
Searchlight 2,492
Other - UC 105
Other-Network UC 4
_____
5,550
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 103
Irvine 0
Los Angeles 36
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 56,316
Searchlight 31
Other - UC 1,060
Other-Network UC 3
_____
57,551
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 3.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:58
Longest session recorded (minutes:seconds) 157:31
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 467.6
Retrievals per search - standard deviation 4471.3
Percent of searches completed with 0 results 37.5%
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 5,550 27.2%
PRESENT 11,152 54.6%
INIT or CLOSE 3,710 18.2%
OTHER 3 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 240 3.4% 125 52.1% 9 284.8 802.8
TITLE WORD 429 6.1% 166 38.7% 7 253.8 1307.8
EXACT TITLE 44 0.6% 31 70.5% 1 6.4 14.8
JOURNAL TITLE 15 0.2% 12 80.0% 27 27.0 0.0
EXACT JOURNAL 198 2.8% 63 31.8% 15 297.8 825.5
SUBJECT WORD 405 5.8% 219 54.1% 16 465.5 1980.7
EXACT SUBJECT 198 2.8% 46 23.2% 8 361.2 2766.2
KEYWORD 4,447 63.7% 1,608 36.2% 17 832.0 6161.0
DATE 251 3.6% 67 26.7% 9 50.0 111.6
ADDED SINCE 39 0.6% 34 87.2% 7 17.8 28.8
PUB TYPE 25 0.4% 23 92.0% 7 6.5 6.4
SUBFILE 9 0.1% 7 77.8% 48 48.0 45.3
ID 7 0.1% 0 0.0% 1 1.0 0.0
ISSN 3 0.0% 3 100% 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 0.2% 9 69.2% 2 2.0 0.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 650 9.3% 208 32.0% 23 765.8 4698.1
Other indexes 9 0.1% 5 55.6% 285 285.0 65.8
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 1,086 19.6% 388 35.7% 17 547.1 3766.4
Single 4,464 80.4% 1,691 37.9% 15 798.2 6014.9
PRESENT commands, by type:
MARC 45.0%
OPAC 34.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (