MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/07/01 through 07/13/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 24 54
2-4 a.m. 7 39
4-6 a.m. 1 0
6-8 a.m. 16 223
8-10 a.m. 74 553
10-12 a.m. 173 2,561
12-2 p.m. 202 1,272
2-4 p.m. 260 4,809
4-6 p.m. 172 2,367
6-8 p.m. 60 436
8-10 p.m. 26 169
10-12 p.m. 23 422
__________ _____________ _________________
Total: 1,038 12,905
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 3
Irvine 1
Los Angeles 4
Riverside 2
San Diego 6
San Francisco 17
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3
Searchlight 494
Other - UC 495
Other-Network UC 10
_____
1,038
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 0
Riverside 0
San Diego 1
San Francisco 1
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 12,871
Other-Network UC 30
_____
12,905
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
Standard deviation in seconds 1.5
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 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 6:57
Longest session recorded (minutes:seconds) 61:36
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 1413.2
Retrievals per search - standard deviation 8079.2
Percent of searches completed with 0 results 52.0%
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 1,038 25.6%
PRESENT 2,275 56.2%
INIT or CLOSE 732 18.1%
OTHER 2 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 79 6.6% 52 65.8% 3 95.0 176.8
TITLE WORD 101 8.4% 63 62.4% 17 483.8 1380.9
EXACT TITLE 9 0.7% 9 100% 0 0.0 0.0
JOURNAL TITLE 23 1.9% 18 78.3% 1 27.6 57.3
EXACT JOURNAL 48 4.0% 4 8.3% 18,932 16464.6 13639.8
SUBJECT WORD 56 4.7% 41 73.2% 5 83.8 166.7
EXACT SUBJECT 22 1.8% 6 27.3% 73 2394.6 7355.9
KEYWORD 753 62.6% 388 51.5% 21 1867.8 11432.5
DATE 37 3.1% 21 56.8% 12 222.9 778.6
ADDED SINCE 13 1.1% 7 53.8% 6 13.2 16.6
PUB TYPE 11 0.9% 4 36.4% 15 19.4 17.9
SUBFILE 3 0.2% 2 66.7% 6 6.0 0.0
ID 0 0.0% 0 0.0% 0 0.0 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 0.6% 4 57.1% 20 17.7 13.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 38 3.2% 13 34.2% 31 2398.0 6918.5
Other indexes 3 0.2% 2 66.7% 207 207.0 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 129 12.4% 74 57.4% 9 1101.7 4764.5
Single 909 87.6% 466 51.3% 23 3174.5 12033.5
PRESENT commands, by type:
MARC 43.4%
OPAC 28.0%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w