MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/08/02 through 06/14/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 59 416
2-4 a.m. 28 123
4-6 a.m. 8 10
6-8 a.m. 10 33
8-10 a.m. 51 137
10-12 a.m. 131 456
12-2 p.m. 81 269
2-4 p.m. 172 444
4-6 p.m. 150 1,084
6-8 p.m. 83 1,569
8-10 p.m. 73 98
10-12 p.m. 50 156
__________ _____________ _________________
Total: 896 4,795
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 3
Irvine 0
Los Angeles 3
Riverside 0
San Diego 2
San Francisco 2
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 240
Searchlight 616
Other - UC 23
Other-Network UC 4
_____
896
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 2
Irvine 0
Los Angeles 3
Riverside 0
San Diego 10
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,349
Searchlight 148
Other - UC 281
Other-Network UC 2
_____
4,795
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 1.3
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) 3:35
Longest session recorded (minutes:seconds) 92:12
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 938.0
Retrievals per search - standard deviation 8186.4
Percent of searches completed with 0 results 63.1%
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 896 35.5%
PRESENT 896 35.5%
INIT or CLOSE 730 28.9%
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 38 3.9% 26 68.4% 5 73.4 167.4
TITLE WORD 46 4.7% 25 54.3% 56 608.0 1518.5
EXACT TITLE 3 0.3% 3 100% 0 0.0 0.0
JOURNAL TITLE 5 0.5% 5 100% 0 0.0 0.0
EXACT JOURNAL 24 2.5% 3 12.5% 766 7456.5 11387.7
SUBJECT WORD 33 3.4% 20 60.6% 10 134.7 407.5
EXACT SUBJECT 10 1.0% 3 30.0% 118 51124.6 63706.8
KEYWORD 752 77.6% 489 65.0% 13 1181.5 7293.5
DATE 6 0.6% 3 50.0% 35 74.3 89.7
ADDED SINCE 5 0.5% 3 60.0% 19 18.5 10.6
PUB TYPE 5 0.5% 3 60.0% 6 6.0 7.1
SUBFILE 0 0.0% 0 0.0% 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 0.9% 0 0.0% 155 623.2 971.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 32 3.3% 9 28.1% 111 18446.3 41987.1
Other indexes 1 0.1% 1 100% 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 65 7.3% 24 36.9% 35 10494.4 32444.5
Single 831 92.7% 541 65.1% 14 1414.3 6851.9
PRESENT commands, by type:
MARC 48.1%
OPAC 23.8%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w