MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/15/01 through 12/21/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 51 766
2-4 a.m. 48 620
4-6 a.m. 129 1,313
6-8 a.m. 17 358
8-10 a.m. 114 3,213
10-12 a.m. 256 4,792
12-2 p.m. 210 5,139
2-4 p.m. 287 9,308
4-6 p.m. 155 5,258
6-8 p.m. 94 2,089
8-10 p.m. 57 820
10-12 p.m. 42 1,801
__________ _____________ _________________
Total: 1,460 35,477
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 32
Davis 13
Irvine 3
Los Angeles 18
Riverside 1
San Diego 12
San Francisco 2
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 3
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 296
Other - UC 1,064
Other-Network UC 15
_____
1,460
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 194
Davis 430
Irvine 3
Los Angeles 5
Riverside 1
San Diego 21
San Francisco 58
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 31
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 34,627
Other-Network UC 106
_____
35,477
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 2.1
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) 20:01
Average session length (minutes:seconds) 13:04
Longest session recorded (minutes:seconds) 127:34
Average number of searches completed per session 0.0
Retrievals per search - median 14.0
Retrievals per search - average 1206.9
Retrievals per search - standard deviation 9524.8
Percent of searches completed with 0 results 26.3%
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 1,460 16.1%
PRESENT 6,586 72.6%
INIT or CLOSE 1,024 11.3%
OTHER 2 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 237 13.7% 54 22.8% 5 23.3 61.9
TITLE WORD 178 10.3% 51 28.6% 2 142.3 649.3
EXACT TITLE 20 1.2% 6 30.0% 1 24.6 72.6
JOURNAL 50 2.9% 17 34.0% 26 501.3 803.0
EXACT JOURNAL 406 23.5% 36 8.9% 542 2048.5 5364.4
SUBJECT 43 2.5% 30 69.8% 21 262.8 504.1
EXACT SUBJECT 14 0.8% 7 50.0% 358 1908.0 2524.7
KEYWORD 598 34.5% 217 36.3% 51 2497.4 17755.3
PUB TYPE 14 0.8% 0 0.0% 41 558.3 1889.9
DATE 58 3.4% 20 34.5% 21 111.0 277.7
ADDED 46 2.7% 19 41.3% 26 25.1 7.0
LANGUAGE 15 0.9% 3 20.0% 31 282.0 810.4
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 3 0.2% 1 33.3% 23 23.0 0.0
COMPANY NAME 9 0.5% 4 44.4% 4 18.2 20.5
EX COMPANY NAME 0 0.0% 0 0.0% 0 0.0 0.0
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 12 0.7% 2 16.7% 261 931.6 2189.9
AT 28 1.6% 13 46.4% 15 184.5 341.7
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 227 15.5% 76 33.5% 20 156.0 672.9
Single 1,233 84.4% 308 25.0% 120 1879.5 11913.7
PRESENT commands, by type:
MARC 46.3%
OPAC 29.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)