MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/30/01 through 07/06/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 79 1,398
2-4 a.m. 79 1,049
4-6 a.m. 32 275
6-8 a.m. 50 411
8-10 a.m. 187 5,758
10-12 a.m. 525 14,079
12-2 p.m. 483 13,938
2-4 p.m. 665 14,442
4-6 p.m. 420 14,740
6-8 p.m. 197 3,424
8-10 p.m. 95 2,356
10-12 p.m. 84 1,676
__________ _____________ _________________
Total: 2,896 73,546
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 78
Davis 22
Irvine 1
Los Angeles 21
Riverside 1
San Diego 8
San Francisco 14
Santa Barbara 33
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 14
Searchlight 757
Other - UC 1,936
Other-Network UC 11
_____
2,896
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,057
Davis 175
Irvine 7
Los Angeles 28
Riverside 1
San Diego 1
San Francisco 271
Santa Barbara 512
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 71,476
Other-Network UC 18
_____
73,546
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 2.1
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 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:54
Average session length (minutes:seconds) 12:29
Longest session recorded (minutes:seconds) 135:04
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1471.1
Retrievals per search - standard deviation 12660
Percent of searches completed with 0 results 28.2%
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 2,896 14.8%
PRESENT 14,977 76.4%
INIT or CLOSE 1,709 8.7%
OTHER 14 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 535 14.6% 119 22.2% 6 26.3 94.8
TITLE WORD 245 6.7% 71 29.0% 7 72.0 178.5
EXACT TITLE 40 1.1% 20 50.0% 1 2.5 3.0
JOURNAL 173 4.7% 89 51.4% 6 541.4 1477.7
EXACT JOURNAL 324 8.8% 38 11.7% 573 2278.8 6514.3
SUBJECT 124 3.4% 79 63.7% 24 13844.7 47524.4
EXACT SUBJECT 121 3.3% 24 19.8% 64 1411.9 4891.9
KEYWORD 1,602 43.6% 487 30.4% 35 2743.3 18355.4
PUB TYPE 30 0.8% 10 33.3% 33 61.3 82.8
DATE 121 3.3% 28 23.1% 4 740.8 4489.8
ADDED 23 0.6% 18 78.3% 11 14.4 8.4
LANGUAGE 42 1.1% 9 21.4% 75 256.9 435.2
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 32 0.9% 8 25.0% 76 115.5 164.4
COMPANY NAME 36 1.0% 15 41.7% 8 153.7 570.5
EX COMPANY NAME 2 0.1% 0 0.0% 11 10.5 7.8
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% 0 0.0% 960 960.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 20 0.5% 6 30.0% 17 99.6 131.1
AT 199 5.4% 52 26.1% 27 4234.9 30703.9
Other indexes 4 0.1% 2 50.0% 8 8.0 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 592 20.4% 194 32.8% 10 2297.3 21050.9
Single 2,304 79.6% 623 27.0% 36 1990.4 13038.1
PRESENT commands, by type:
MARC 50.8%
OPAC 24.8%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)