MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 01/26/02 through 02/01/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 33 49
2-4 a.m. 17 78
4-6 a.m. 17 198
6-8 a.m. 20 207
8-10 a.m. 77 391
10-12 a.m. 206 907
12-2 p.m. 249 2,518
2-4 p.m. 298 1,454
4-6 p.m. 202 866
6-8 p.m. 128 931
8-10 p.m. 108 1,315
10-12 p.m. 71 558
__________ _____________ _________________
Total: 1,426 9,472
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 44
Irvine 2
Los Angeles 15
Riverside 3
San Diego 1
San Francisco 0
Santa Barbara 4
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 637
Searchlight 662
Other - UC 56
Other-Network UC 1
_____
1,426
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 8
Davis 1
Irvine 1
Los Angeles 0
Riverside 1
San Diego 3
San Francisco 0
Santa Barbara 168
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 9,060
Searchlight 122
Other - UC 108
Other-Network UC 0
_____
9,472
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 1.1
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) 0:07
Average session length (minutes:seconds) 7:17
Longest session recorded (minutes:seconds) 89:06
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 1635.4
Retrievals per search - standard deviation 14180
Percent of searches completed with 0 results 52.5%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 1,426 30.3%
PRESENT 2,289 48.6%
INIT or CLOSE 996 21.1%
OTHER 2 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 134 7.9% 107 79.8% 5 96.6 177.4
TITLE WORD 148 8.7% 94 63.5% 7 119.3 265.7
EXACT TITLE 4 0.2% 4 100% 0 0.0 0.0
JOURNAL TITLE 25 1.5% 20 80.0% 43 8115.2 17994.2
EXACT JOURNAL 62 3.6% 8 12.9% 2,390 13153.3 22096.8
SUBJECT WORD 74 4.3% 48 64.9% 33 5879.0 19875.2
EXACT SUBJECT 23 1.3% 6 26.1% 30 2660.6 6785.8
KEYWORD 1,024 60.0% 518 50.6% 9 2715.8 21714.5
DATE 43 2.5% 17 39.5% 117 199.7 251.2
ADDED SINCE 6 0.4% 3 50.0% 8 17.3 22.5
PUB TYPE 3 0.2% 2 66.7% 380 380.0 0.0
SUBFILE 3 0.2% 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 1 0.1% 0 0.0% 56 56.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 153 9.0% 39 25.5% 5 2524.1 11326.1
Other indexes 3 0.2% 2 66.7% 234 234.0 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 249 17.5% 104 41.8% 8 2005.3 10083.0
Single 1,177 82.5% 644 54.7% 13 3829.9 22414.9
PRESENT commands, by type:
MARC 50.5%
OPAC 32.9%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w