MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/22/02 through 06/28/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 19 243
2-4 a.m. 9 185
4-6 a.m. 3 31
6-8 a.m. 5 149
8-10 a.m. 46 227
10-12 a.m. 155 521
12-2 p.m. 151 1,285
2-4 p.m. 113 587
4-6 p.m. 106 148
6-8 p.m. 56 207
8-10 p.m. 14 16
10-12 p.m. 14 41
__________ _____________ _________________
Total: 691 3,640
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 8
Irvine 0
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 172
Searchlight 476
Other - UC 33
Other-Network UC 0
_____
691
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 30
Irvine 0
Los Angeles 7
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,046
Searchlight 290
Other - UC 267
Other-Network UC 0
_____
3,640
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 0.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:03
Average session length (minutes:seconds) 3:10
Longest session recorded (minutes:seconds) 58:19
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 540.5
Retrievals per search - standard deviation 4038.3
Percent of searches completed with 0 results 63.8%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 691 34.9%
PRESENT 723 36.5%
INIT or CLOSE 564 28.5%
OTHER 2 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 33 4.3% 23 69.7% 3 20.0 50.1
TITLE WORD 34 4.4% 18 52.9% 36 106.0 142.1
EXACT TITLE 2 0.3% 2 100% 0 0.0 0.0
JOURNAL TITLE 10 1.3% 8 80.0% 15 14.5 19.1
EXACT JOURNAL 23 3.0% 3 13.0% 628 5587.3 11476.0
SUBJECT WORD 15 2.0% 13 86.7% 111 111.0 128.7
EXACT SUBJECT 5 0.7% 0 0.0% 22 648.4 1417.5
KEYWORD 577 75.4% 382 66.2% 17 1315.0 6413.4
DATE 8 1.0% 3 37.5% 5 64.8 122.1
ADDED SINCE 5 0.7% 2 40.0% 20 32.3 38.0
PUB TYPE 1 0.1% 0 0.0% 2 2.0 0.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 2 0.3% 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 1 0.1% 0 0.0% 282 282.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 49 6.4% 32 65.3% 39 172.8 212.0
Other indexes 0 0.0% 0 0.0% 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 65 9.4% 42 64.6% 28 133.5 193.5
Single 626 90.6% 399 63.7% 16 1631.9 6928.3
PRESENT commands, by type:
MARC 43.4%
OPAC 32.8%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w