MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/21/01 through 07/27/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 16 463
2-4 a.m. 6 3
4-6 a.m. 7 142
6-8 a.m. 7 30
8-10 a.m. 65 602
10-12 a.m. 149 825
12-2 p.m. 128 856
2-4 p.m. 221 1,153
4-6 p.m. 183 710
6-8 p.m. 70 297
8-10 p.m. 17 120
10-12 p.m. 43 577
__________ _____________ _________________
Total: 912 5,778
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 3
Irvine 0
Los Angeles 21
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 4
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 21
Searchlight 425
Other - UC 436
Other-Network UC 0
_____
912
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 21
Davis 3
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 5,748
Other-Network UC 0
_____
5,778
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 0.7
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 COMPUTER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 6:18
Longest session recorded (minutes:seconds) 101:06
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 672.3
Retrievals per search - standard deviation 3252.3
Percent of searches completed with 0 results 54.2%
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 912 32.9%
PRESENT 1,229 44.4%
INIT or CLOSE 630 22.7%
OTHER 0 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 77 7.3% 60 77.9% 1 64.3 115.1
TITLE WORD 110 10.4% 65 59.1% 13 978.4 5390.2
EXACT TITLE 8 0.8% 7 87.5% 1 1.0 0.0
JOURNAL TITLE 24 2.3% 21 87.5% 2,729 3216.0 3483.1
EXACT JOURNAL 21 2.0% 5 23.8% 1,827 11889.1 15013.7
SUBJECT WORD 41 3.9% 26 63.4% 6 47.3 133.8
EXACT SUBJECT 13 1.2% 6 46.2% 26 303.6 679.0
KEYWORD 671 63.3% 354 52.8% 28 1151.5 2870.9
DATE 26 2.5% 23 88.5% 120 90.0 52.0
ADDED SINCE 10 0.9% 4 40.0% 6 12.2 14.9
PUB TYPE 2 0.2% 1 50.0% 116 116.0 0.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 4 0.4% 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 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 52 4.9% 24 46.2% 3 518.7 1307.8
Other indexes 1 0.1% 0 0.0% 305 305.0 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 108 11.8% 69 63.9% 10 384.8 1123.7
Single 804 88.2% 425 52.9% 28 1578.2 4893.2
PRESENT commands, by type:
MARC 50.1%
OPAC 25.4%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w