MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/05/02 through 01/11/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 6 0
2-4 a.m. 19 139
4-6 a.m. 25 206
6-8 a.m. 19 13
8-10 a.m. 54 191
10-12 a.m. 194 1,308
12-2 p.m. 150 532
2-4 p.m. 162 1,077
4-6 p.m. 124 924
6-8 p.m. 36 203
8-10 p.m. 24 291
10-12 p.m. 23 59
__________ _____________ _________________
Total: 836 4,943
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 3
Irvine 3
Los Angeles 3
Riverside 0
San Diego 21
San Francisco 1
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 4
Lawrence Livermore 0
Los Alamos 0
MELWEB 346
Searchlight 375
Other - UC 45
Other-Network UC 26
_____
836
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 11
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 3
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,609
Searchlight 10
Other - UC 44
Other-Network UC 266
_____
4,943
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 0.5
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) 0:06
Average session length (minutes:seconds) 7:06
Longest session recorded (minutes:seconds) 66:36
Average number of searches completed per session 0.0
Retrievals per search - median 0.5
Retrievals per search - average 2081.9
Retrievals per search - standard deviation 14376
Percent of searches completed with 0 results 50.0%
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 836 34.8%
PRESENT 926 38.6%
INIT or CLOSE 636 26.5%
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 112 11.8% 83 74.1% 7 685.3 1478.9
TITLE WORD 70 7.4% 40 57.1% 10 537.3 1176.5
EXACT TITLE 6 0.6% 5 83.3% 1 1.0 0.0
JOURNAL TITLE 27 2.8% 24 88.9% 238 159.0 136.8
EXACT JOURNAL 63 6.6% 3 4.8% 3,002 8384.8 12163.7
SUBJECT WORD 43 4.5% 27 62.8% 7 1104.9 2671.0
EXACT SUBJECT 10 1.1% 2 20.0% 190 1277.3 2045.3
KEYWORD 552 58.0% 271 49.1% 27 4178.1 23758.6
DATE 24 2.5% 19 79.2% 59 54.8 54.6
ADDED SINCE 5 0.5% 4 80.0% 4 4.0 0.0
PUB TYPE 4 0.4% 1 25.0% 2 2.7 2.1
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 6 0.6% 0 0.0% 7 28.2 46.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 29 3.0% 7 24.1% 58 333.1 624.0
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 102 12.2% 57 55.9% 9 196.0 473.4
Single 734 87.8% 361 49.2% 63 4642.5 21260.4
PRESENT commands, by type:
MARC 49.6%
OPAC 22.9%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w