MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 12/16/00 through 12/22/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 34 224
2-4 a.m. 9 219
4-6 a.m. 5 62
6-8 a.m. 15 395
8-10 a.m. 39 378
10-12 a.m. 143 1,662
12-2 p.m. 112 623
2-4 p.m. 127 652
4-6 p.m. 82 451
6-8 p.m. 26 353
8-10 p.m. 13 232
10-12 p.m. 12 81
__________ _____________ _________________
Total: 617 5,332
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 0
Irvine 0
Los Angeles 11
Riverside 0
San Diego 11
San Francisco 0
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 229
Searchlight 312
Other - UC 48
Other-Network UC 4
_____
617
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 150
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,274
Searchlight 453
Other - UC 455
Other-Network UC 0
_____
5,332
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
Standard deviation in seconds 1.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 COMPUTER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:08
Average session length (minutes:seconds) 6:18
Longest session recorded (minutes:seconds) 61:58
Average number of searches completed per session 0.0
Retrievals per search - median 0.0
Retrievals per search - average 727.9
Retrievals per search - standard deviation 7343.5
Percent of searches completed with 0 results 52.3%
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 617 28.8%
PRESENT 1,076 50.3%
INIT or CLOSE 448 20.9%
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 38 5.3% 25 65.8% 2 146.2 333.0
TITLE WORD 86 11.9% 32 37.2% 37 420.6 1300.0
EXACT TITLE 6 0.8% 6 100% 0 0.0 0.0
JOURNAL TITLE 13 1.8% 11 84.6% 24 24.0 25.5
EXACT JOURNAL 21 2.9% 7 33.3% 885 5424.9 7214.0
SUBJECT WORD 29 4.0% 20 69.0% 32 218.1 501.9
EXACT SUBJECT 13 1.8% 1 7.7% 44 5672.9 19336.5
KEYWORD 431 59.7% 236 54.8% 26 1429.4 11896.6
DATE 23 3.2% 5 21.7% 8 41.1 74.9
ADDED SINCE 12 1.7% 6 50.0% 7 15.5 17.9
PUB TYPE 19 2.6% 11 57.9% 2 8.5 16.2
SUBFILE 1 0.1% 0 0.0% 207 207.0 0.0
ID 2 0.3% 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 4 0.6% 1 25.0% 191 133.7 113.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 24 3.3% 11 45.8% 68 616.8 1758.6
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 75 12.2% 36 48.0% 10 232.3 1027.5
Single 542 87.8% 287 52.9% 37 1725.7 11354.1
PRESENT commands, by type:
MARC 51.6%
OPAC 22.2%
SCPmm/dd srv.comp MELSRV COMPUTER ARTICLES DATABASES Z39.50 SERVER STATISTICS (w