MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 04/21/01 through 04/27/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 114 2,920
2-4 a.m. 105 1,018
4-6 a.m. 32 1,360
6-8 a.m. 52 1,387
8-10 a.m. 279 6,525
10-12 a.m. 852 18,828
12-2 p.m. 1,252 33,414
2-4 p.m. 1,456 34,032
4-6 p.m. 1,037 31,862
6-8 p.m. 677 19,672
8-10 p.m. 492 17,497
10-12 p.m. 445 17,480
__________ _____________ _________________
Total: 6,793 185,995
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 27
Davis 10
Irvine 2
Los Angeles 3
Riverside 1
San Diego 65
San Francisco 5
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 4
Los Alamos 0
MELWEB 4,469
Searchlight 2,110
Other - UC 74
Other-Network UC 22
_____
6,793
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 84
Davis 92
Irvine 0
Los Angeles 5
Riverside 5
San Diego 85
San Francisco 116
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 9
Los Alamos 0
MELWEB 183,984
Searchlight 203
Other - UC 730
Other-Network UC 682
_____
185,995
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
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 0.8
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:13
Average session length (minutes:seconds) 12:07
Longest session recorded (minutes:seconds) 134:16
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 995.6
Retrievals per search - standard deviation 9952.3
Percent of searches completed with 0 results 28.0%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 6,793 14.8%
PRESENT 35,138 76.4%
INIT or CLOSE 3,967 8.6%
OTHER 67 0.1%
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 756 8.9% 199 26.3% 4 47.6 373.6
TITLE WORD 599 7.1% 195 32.6% 2 36.3 140.5
EXACT TITLE 55 0.6% 25 45.5% 1 7.2 15.5
JOURNAL 262 3.1% 103 39.3% 25 1294.7 5287.9
EXACT JOURNAL 660 7.8% 114 17.3% 491 2448.0 7646.8
SUBJECT 400 4.7% 197 49.2% 23 1445.5 9820.4
EXACT SUBJECT 223 2.6% 52 23.3% 24 4344.6 17219.7
KEYWORD 4,445 52.4% 1,228 27.6% 31 1308.0 13233.2
PUB TYPE 126 1.5% 31 24.6% 40 261.1 1064.1
DATE 200 2.4% 58 29.0% 10 108.8 310.7
ADDED 22 0.3% 13 59.1% 19 21.2 14.4
LANGUAGE 92 1.1% 21 22.8% 22 405.5 1698.1
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 26 0.3% 8 30.8% 23 894.2 3251.6
COMPANY NAME 85 1.0% 34 40.0% 14 111.3 209.5
EX COMPANY NAME 4 0.0% 1 25.0% 172 170.7 163.0
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 1 0.0% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 73 0.9% 12 16.4% 144 1148.4 5210.9
AT 440 5.2% 84 19.1% 77 821.8 2818.2
Other indexes 12 0.1% 6 50.0% 143 488.0 684.0
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 1,331 19.6% 367 27.6% 17 467.6 2743.8
Single 5,462 80.4% 1,535 28.1% 30 1607.4 12984.1
PRESENT commands, by type:
MARC 47.3%
OPAC 21.9%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)