MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 08/18/01 through 08/24/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 7 136
2-4 a.m. 7 1,169
4-6 a.m. 1 1,114
6-8 a.m. 20 131
8-10 a.m. 61 61
10-12 a.m. 168 521
12-2 p.m. 165 1,222
2-4 p.m. 181 4,569
4-6 p.m. 114 645
6-8 p.m. 65 219
8-10 p.m. 9 20
10-12 p.m. 10 61
__________ _____________ _________________
Total: 808 9,868
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 9
Irvine 14
Los Angeles 156
Riverside 0
San Diego 10
San Francisco 6
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 9
Searchlight 309
Other - UC 287
Other-Network UC 3
_____
808
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 120
Irvine 36
Los Angeles 57
Riverside 0
San Diego 6
San Francisco 52
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 9,574
Other-Network UC 23
_____
9,868
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 0.9
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 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 7:07
Longest session recorded (minutes:seconds) 113:57
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 859.2
Retrievals per search - standard deviation 5578.7
Percent of searches completed with 0 results 65.8%
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 808 26.9%
PRESENT 1,707 56.7%
INIT or CLOSE 494 16.4%
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 224 18.7% 199 88.8% 14 295.7 734.4
TITLE WORD 196 16.4% 178 90.8% 44 341.9 738.7
EXACT TITLE 14 1.2% 10 71.4% 1 11.5 21.0
JOURNAL TITLE 25 2.1% 20 80.0% 1,268 2425.8 3418.9
EXACT JOURNAL 21 1.8% 6 28.6% 1,268 8615.2 20303.9
SUBJECT WORD 50 4.2% 34 68.0% 15 485.1 1480.1
EXACT SUBJECT 5 0.4% 3 60.0% 335 335.0 472.3
KEYWORD 449 37.5% 253 56.3% 25 2721.8 9403.2
DATE 150 12.5% 146 97.3% 13 16.0 14.0
ADDED SINCE 13 1.1% 7 53.8% 14 48.2 62.9
PUB TYPE 3 0.3% 1 33.3% 67 67.0 0.0
SUBFILE 3 0.3% 3 100% 0 0.0 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 9 0.8% 1 11.1% 42 189.1 302.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 34 2.8% 15 44.1% 3 7802.4 17355.5
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 234 29.0% 193 82.5% 14 3727.4 12264.2
Single 574 71.0% 339 59.1% 30 2303.8 8740.9
PRESENT commands, by type:
MARC 42.0%
OPAC 46.4%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w