MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/30/00 through 01/05/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 60 1,581
2-4 a.m. 11 164
4-6 a.m. 1 11
6-8 a.m. 11 700
8-10 a.m. 114 1,527
10-12 a.m. 275 9,061
12-2 p.m. 323 8,207
2-4 p.m. 409 16,157
4-6 p.m. 205 8,105
6-8 p.m. 118 2,172
8-10 p.m. 41 3,455
10-12 p.m. 75 2,023
__________ _____________ _________________
Total: 1,643 53,163
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 3
Irvine 13
Los Angeles 7
Riverside 0
San Diego 12
San Francisco 13
Santa Barbara 1
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,037
Searchlight 496
Other - UC 16
Other-Network UC 20
_____
1,643
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 859
Davis 7
Irvine 28
Los Angeles 68
Riverside 0
San Diego 28
San Francisco 13
Santa Barbara 0
Santa Cruz 8
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 51,239
Searchlight 262
Other - UC 51
Other-Network UC 600
_____
53,163
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 2.3
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) 0:10
Average session length (minutes:seconds) 11:23
Longest session recorded (minutes:seconds) 149:25
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 668.3
Retrievals per search - standard deviation 5176.3
Percent of searches completed with 0 results 29.3%
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 1,643 12.7%
PRESENT 10,425 80.4%
INIT or CLOSE 870 6.7%
OTHER 23 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 360 17.5% 96 26.7% 6 37.9 173.1
TITLE WORD 153 7.4% 60 39.2% 4 80.0 415.5
EXACT TITLE 14 0.7% 8 57.1% 3 79.5 175.5
JOURNAL 75 3.6% 31 41.3% 3 500.5 1378.5
EXACT JOURNAL 200 9.7% 44 22.0% 329 2964.6 14501.3
SUBJECT 75 3.6% 35 46.7% 16 442.5 1440.0
EXACT SUBJECT 38 1.8% 2 5.3% 28 804.0 2945.5
KEYWORD 915 44.4% 278 30.4% 49 896.0 3929.1
PUB TYPE 23 1.1% 4 17.4% 31 261.3 859.4
DATE 96 4.7% 23 24.0% 11 56.2 136.1
ADDED 14 0.7% 12 85.7% 30 30.0 0.0
LANGUAGE 17 0.8% 5 29.4% 18 204.8 573.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 13 0.6% 4 30.8% 9 25.0 30.1
COMPANY NAME 8 0.4% 1 12.5% 12 66.4 154.7
EX COMPANY NAME 2 0.1% 0 0.0% 24 24.0 17.0
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 0 0.0% 0 0.0% 0 0.0 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 43 2.1% 5 11.6% 18 292.8 987.9
AT 14 0.7% 3 21.4% 21 2306.3 6958.0
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 344 20.9% 106 30.8% 11 287.8 1696.2
Single 1,299 79.1% 376 28.9% 38 1115.4 6819.6
PRESENT commands, by type:
MARC 50.1%
OPAC 14.7%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)