MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/01 through 12/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 145 1,099
2-4 a.m. 64 190
4-6 a.m. 22 4
6-8 a.m. 22 127
8-10 a.m. 160 2,043
10-12 a.m. 557 3,458
12-2 p.m. 738 7,778
2-4 p.m. 756 5,681
4-6 p.m. 705 7,918
6-8 p.m. 426 3,511
8-10 p.m. 386 3,383
10-12 p.m. 278 2,744
__________ _____________ _________________
Total: 4,259 37,936
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 7
Davis 4
Irvine 0
Los Angeles 10
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 2
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 2,153
Other - UC 2,080
Other-Network UC 0
_____
4,259
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 64
Davis 0
Irvine 0
Los Angeles 15
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 37,857
Other-Network UC 0
_____
37,936
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 1.6
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
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:41
Longest session recorded (minutes:seconds) 148:53
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 469.3
Retrievals per search - standard deviation 3961.9
Percent of searches completed with 0 results 39.6%
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 4,259 28.7%
PRESENT 7,537 50.8%
INIT or CLOSE 3,039 20.5%
OTHER 12 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 139 2.8% 69 49.6% 16 220.6 466.8
TITLE WORD 264 5.2% 102 38.6% 5 114.9 532.1
EXACT TITLE 25 0.5% 20 80.0% 1 3.2 3.5
JOURNAL TITLE 13 0.3% 12 92.3% 1 1.0 0.0
EXACT JOURNAL 99 2.0% 35 35.4% 7 151.4 368.1
SUBJECT WORD 281 5.6% 156 55.5% 27 490.8 2932.2
EXACT SUBJECT 164 3.3% 30 18.3% 9 118.7 491.1
KEYWORD 3,506 69.6% 1,376 39.2% 19 885.2 5521.2
DATE 150 3.0% 54 36.0% 10 79.6 270.4
ADDED SINCE 44 0.9% 34 77.3% 6 23.7 32.7
PUB TYPE 7 0.1% 4 57.1% 141 96.3 77.4
SUBFILE 3 0.1% 1 33.3% 1,598 1597.5 2257.8
ID 8 0.2% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 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 4 0.1% 4 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 325 6.5% 89 27.4% 24 802.7 3535.9
Other indexes 3 0.1% 1 33.3% 1,624 1624.0 2093.0
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 575 13.5% 208 36.2% 17 544.1 2857.9
Single 3,684 86.5% 1,477 40.1% 17 815.3 5352.9
PRESENT commands, by type:
MARC 46.9%
OPAC 32.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (