MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 10/13/01 through 10/19/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 111 1,261
2-4 a.m. 33 198
4-6 a.m. 16 61
6-8 a.m. 40 139
8-10 a.m. 183 2,524
10-12 a.m. 498 5,962
12-2 p.m. 616 4,536
2-4 p.m. 818 7,240
4-6 p.m. 632 6,029
6-8 p.m. 351 3,135
8-10 p.m. 323 2,776
10-12 p.m. 217 1,918
__________ _____________ _________________
Total: 3,838 35,779
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 0
Irvine 0
Los Angeles 6
Riverside 0
San Diego 14
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,894
Other - UC 1,920
Other-Network UC 4
_____
3,838
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 0
Los Angeles 6
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 35,720
Other-Network UC 53
_____
35,779
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 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:47
Longest session recorded (minutes:seconds) 121:40
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 597.7
Retrievals per search - standard deviation 4576.5
Percent of searches completed with 0 results 36.9%
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 3,838 28.4%
PRESENT 6,874 50.9%
INIT or CLOSE 2,721 20.2%
OTHER 67 0.5%
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 105 2.2% 43 40.9% 6 275.7 608.4
TITLE WORD 248 5.3% 102 41.1% 17 116.5 460.7
EXACT TITLE 29 0.6% 18 62.1% 1 70.6 153.0
JOURNAL TITLE 9 0.2% 9 100% 0 0.0 0.0
EXACT JOURNAL 85 1.8% 29 34.1% 4 276.4 719.0
SUBJECT WORD 239 5.1% 121 50.6% 15 297.3 949.1
EXACT SUBJECT 131 2.8% 23 17.6% 8 126.2 351.9
KEYWORD 3,161 67.5% 1,154 36.5% 29 1104.3 6280.1
DATE 199 4.3% 65 32.7% 8 96.4 248.0
ADDED SINCE 43 0.9% 32 74.4% 2 8.0 12.1
PUB TYPE 15 0.3% 13 86.7% 212 211.5 294.9
SUBFILE 15 0.3% 8 53.3% 15 638.1 1486.3
ID 5 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 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 7 0.1% 2 28.6% 2 3.4 3.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 388 8.3% 117 30.2% 13 257.9 1212.1
Other indexes 2 0.0% 2 100% 0 0.0 0.0
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 609 15.9% 219 36.0% 10 236.4 1072.6
Single 3,229 84.1% 1,199 37.1% 29 1084.7 6235.0
PRESENT commands, by type:
MARC 46.3%
OPAC 34.6%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (