MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 04/28/01 through 05/04/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 131 2,345
2-4 a.m. 108 1,581
4-6 a.m. 74 660
6-8 a.m. 33 497
8-10 a.m. 267 6,121
10-12 a.m. 720 20,496
12-2 p.m. 1,080 28,950
2-4 p.m. 1,291 35,965
4-6 p.m. 1,055 30,140
6-8 p.m. 658 15,128
8-10 p.m. 459 10,486
10-12 p.m. 307 6,943
__________ _____________ _________________
Total: 6,183 159,312
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 24
Davis 11
Irvine 9
Los Angeles 23
Riverside 3
San Diego 33
San Francisco 2
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,758
Searchlight 2,212
Other - UC 54
Other-Network UC 48
_____
6,183
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 303
Davis 66
Irvine 89
Los Angeles 148
Riverside 67
San Diego 69
San Francisco 35
Santa Barbara 17
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 155,061
Searchlight 0
Other - UC 844
Other-Network UC 2,613
_____
159,312
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 2.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.6
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 10:50
Longest session recorded (minutes:seconds) 155:38
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 862.5
Retrievals per search - standard deviation 7191.2
Percent of searches completed with 0 results 30.9%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 6,183 14.7%
PRESENT 31,980 76.1%
INIT or CLOSE 3,773 9.0%
OTHER 74 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 658 8.6% 181 27.5% 5 50.2 290.1
TITLE WORD 562 7.3% 176 31.3% 3 58.6 278.5
EXACT TITLE 60 0.8% 30 50.0% 1 8.0 22.3
JOURNAL 232 3.0% 113 48.7% 21 772.3 2167.8
EXACT JOURNAL 561 7.3% 94 16.8% 514 2196.1 5864.2
SUBJECT 385 5.0% 190 49.3% 25 3144.4 19734.8
EXACT SUBJECT 166 2.2% 33 19.9% 97 3043.8 9730.0
KEYWORD 4,071 53.0% 1,287 31.6% 24 1159.3 8774.6
PUB TYPE 104 1.4% 21 20.2% 20 267.4 1076.2
DATE 193 2.5% 46 23.8% 19 133.0 513.0
ADDED 14 0.2% 14 100% 0 0.0 0.0
LANGUAGE 88 1.1% 18 20.5% 18 605.3 1988.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 32 0.4% 10 31.3% 10 120.5 332.7
COMPANY NAME 85 1.1% 24 28.2% 19 108.6 252.6
EX COMPANY NAME 18 0.2% 13 72.2% 22 46.4 58.6
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 0 0.0% 0 0.0% 0 0.0 0.0
ID NUMBER 1 0.0% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 62 0.8% 7 11.3% 33 533.1 1148.8
AT 380 4.9% 109 28.7% 50 1755.8 9422.9
Other indexes 7 0.1% 7 100% 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 1,137 18.4% 357 31.4% 15 802.6 6056.9
Single 5,046 81.6% 1,552 30.8% 30 1347.1 9094.0
PRESENT commands, by type:
MARC 51.6%
OPAC 24.7%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)