MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 06/23/01 through 06/29/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 13 1,513
2-4 a.m. 16 65
4-6 a.m. 2 1,254
6-8 a.m. 14 25
8-10 a.m. 78 610
10-12 a.m. 164 640
12-2 p.m. 177 1,415
2-4 p.m. 187 1,360
4-6 p.m. 163 1,034
6-8 p.m. 41 62
8-10 p.m. 40 653
10-12 p.m. 27 156
__________ _____________ _________________
Total: 922 8,787
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 8
Irvine 0
Los Angeles 5
Riverside 3
San Diego 15
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4
Searchlight 517
Other - UC 367
Other-Network UC 2
_____
922
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 25
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 8,762
Other-Network UC 0
_____
8,787
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 0.8
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) 0:07
Average session length (minutes:seconds) 5:06
Longest session recorded (minutes:seconds) 57:20
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 1165.9
Retrievals per search - standard deviation 11749
Percent of searches completed with 0 results 55.2%
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 922 28.1%
PRESENT 1,632 49.8%
INIT or CLOSE 718 21.9%
OTHER 5 0.2%
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 63 6.1% 43 68.3% 2 9.0 13.9
TITLE WORD 70 6.8% 34 48.6% 8 253.4 713.3
EXACT TITLE 8 0.8% 6 75.0% 5 5.0 5.7
JOURNAL TITLE 34 3.3% 22 64.7% 96 1109.8 2121.8
EXACT JOURNAL 30 2.9% 5 16.7% 2,365 6136.8 7637.2
SUBJECT WORD 34 3.3% 22 64.7% 14 287.4 573.7
EXACT SUBJECT 18 1.7% 2 11.1% 127 726.1 1701.1
KEYWORD 704 68.0% 402 57.1% 22 2799.1 20125.6
DATE 19 1.8% 4 21.1% 18 80.5 104.3
ADDED SINCE 12 1.2% 6 50.0% 22 67.2 85.5
PUB TYPE 1 0.1% 0 0.0% 4 4.0 0.0
SUBFILE 0 0.0% 0 0.0% 0 0.0 0.0
ID 1 0.1% 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 6 0.6% 1 16.7% 66 143.4 183.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 33 3.2% 9 27.3% 15 637.5 1761.9
Other indexes 3 0.3% 0 0.0% 40,195 40195.0 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 93 10.1% 39 41.9% 22 1080.1 5553.7
Single 829 89.9% 470 56.7% 22 2831.8 18596.2
PRESENT commands, by type:
MARC 36.6%
OPAC 42.6%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w