MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/03/01 through 03/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 214 2,385
2-4 a.m. 74 1,313
4-6 a.m. 25 258
6-8 a.m. 38 48
8-10 a.m. 301 2,198
10-12 a.m. 870 12,592
12-2 p.m. 1,124 13,611
2-4 p.m. 1,261 13,814
4-6 p.m. 1,259 13,980
6-8 p.m. 735 10,483
8-10 p.m. 697 8,315
10-12 p.m. 484 5,469
__________ _____________ _________________
Total: 7,082 84,466
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 34
Irvine 0
Los Angeles 1
Riverside 0
San Diego 13
San Francisco 0
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 3,787
Searchlight 3,162
Other - UC 77
Other-Network UC 0
_____
7,082
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 58
Irvine 0
Los Angeles 0
Riverside 0
San Diego 11
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 83,290
Searchlight 35
Other - UC 1,072
Other-Network UC 0
_____
84,466
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 2.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.0
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:48
Longest session recorded (minutes:seconds) 154:41
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 470.9
Retrievals per search - standard deviation 4981.4
Percent of searches completed with 0 results 37.6%
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 7,082 25.5%
PRESENT 16,212 58.3%
INIT or CLOSE 4,510 16.2%
OTHER 7 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 213 2.4% 100 46.9% 5 155.5 355.6
TITLE WORD 473 5.3% 176 37.2% 7 538.3 3058.7
EXACT TITLE 30 0.3% 18 60.0% 1 33.4 105.1
JOURNAL TITLE 15 0.2% 15 100% 0 0.0 0.0
EXACT JOURNAL 307 3.4% 65 21.2% 30 138.2 275.0
SUBJECT WORD 592 6.6% 310 52.4% 12 1507.1 8456.7
EXACT SUBJECT 374 4.2% 80 21.4% 14 160.3 575.0
KEYWORD 5,618 62.5% 2,091 37.2% 16 759.2 6552.7
DATE 451 5.0% 118 26.2% 19 136.8 364.4
ADDED SINCE 42 0.5% 36 85.7% 4 343.3 794.2
PUB TYPE 38 0.4% 22 57.9% 8 16.7 17.9
SUBFILE 6 0.1% 6 100% 0 0.0 0.0
ID 2 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 2 0.0% 1 50.0% 37 37.0 0.0
ARTICLE 22 0.2% 12 54.5% 3 44.4 108.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 788 8.8% 234 29.7% 22 543.2 4504.4
Other indexes 17 0.2% 10 58.8% 2 2227.4 4703.9
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 1,401 19.8% 465 33.2% 16 379.5 3482.8
Single 5,681 80.2% 2,198 38.7% 15 855.4 6847.3
PRESENT commands, by type:
MARC 42.7%
OPAC 39.1%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (