MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 07/07/01 through 07/13/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 85 2,283
2-4 a.m. 57 580
4-6 a.m. 11 173
6-8 a.m. 45 711
8-10 a.m. 215 2,870
10-12 a.m. 533 16,735
12-2 p.m. 685 13,350
2-4 p.m. 757 20,782
4-6 p.m. 515 15,580
6-8 p.m. 260 8,121
8-10 p.m. 104 1,771
10-12 p.m. 149 3,273
__________ _____________ _________________
Total: 3,416 86,229
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 49
Davis 7
Irvine 3
Los Angeles 32
Riverside 1
San Diego 11
San Francisco 7
Santa Barbara 2
Santa Cruz 1
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 40
Searchlight 944
Other - UC 2,245
Other-Network UC 73
_____
3,416
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 401
Davis 54
Irvine 3
Los Angeles 399
Riverside 5
San Diego 33
San Francisco 57
Santa Barbara 55
Santa Cruz 226
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 83,531
Other-Network UC 1,465
_____
86,229
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 1.4
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 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:13
Average session length (minutes:seconds) 12:06
Longest session recorded (minutes:seconds) 135:10
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1427.3
Retrievals per search - standard deviation 14369
Percent of searches completed with 0 results 26.4%
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 3,416 15.1%
PRESENT 17,195 75.9%
INIT or CLOSE 2,038 9.0%
OTHER 6 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 640 14.7% 129 20.2% 6 213.9 2485.3
TITLE WORD 369 8.5% 129 35.0% 4 59.1 220.6
EXACT TITLE 38 0.9% 24 63.2% 1 4.1 8.5
JOURNAL 174 4.0% 68 39.1% 13 988.6 5516.0
EXACT JOURNAL 365 8.4% 51 14.0% 409 2304.6 6788.4
SUBJECT 159 3.7% 88 55.3% 35 478.7 1738.7
EXACT SUBJECT 77 1.8% 25 32.5% 42 1690.5 7113.8
KEYWORD 1,932 44.5% 523 27.1% 34 2761.0 21958.1
PUB TYPE 57 1.3% 13 22.8% 43 341.3 1095.7
DATE 248 5.7% 66 26.6% 7 134.2 568.6
ADDED 25 0.6% 16 64.0% 10 23.7 36.7
LANGUAGE 27 0.6% 5 18.5% 71 183.3 353.5
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 29 0.7% 6 20.7% 38 219.8 357.5
COMPANY NAME 64 1.5% 30 46.9% 23 133.2 466.2
EX COMPANY NAME 3 0.1% 0 0.0% 60 195.3 235.3
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 1 100% 0 0.0 0.0
ID NUMBER 2 0.0% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 22 0.5% 5 22.7% 42 2614.2 9885.5
AT 106 2.4% 22 20.8% 28 1206.9 5245.9
Other indexes 2 0.0% 1 50.0% 74 74.0 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 728 21.3% 235 32.3% 9 478.2 3337.7
Single 2,688 78.7% 668 24.8% 33 2297.0 18564.7
PRESENT commands, by type:
MARC 51.5%
OPAC 15.7%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)