MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 11/17/01 through 11/23/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 134 3,121
2-4 a.m. 93 1,070
4-6 a.m. 125 1,575
6-8 a.m. 35 510
8-10 a.m. 235 4,093
10-12 a.m. 785 16,252
12-2 p.m. 818 22,369
2-4 p.m. 922 24,898
4-6 p.m. 727 20,553
6-8 p.m. 401 10,627
8-10 p.m. 384 8,669
10-12 p.m. 301 5,871
__________ _____________ _________________
Total: 4,960 119,608
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 83
Davis 10
Irvine 13
Los Angeles 38
Riverside 0
San Diego 0
San Francisco 6
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,778
Other - UC 3,016
Other-Network UC 13
_____
4,960
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,524
Davis 3
Irvine 273
Los Angeles 193
Riverside 0
San Diego 0
San Francisco 5
Santa Barbara 5
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 117,326
Other-Network UC 279
_____
119,608
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 13.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:12
Average session length (minutes:seconds) 11:05
Longest session recorded (minutes:seconds) 149:30
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 986.8
Retrievals per search - standard deviation 6547.1
Percent of searches completed with 0 results 27.0%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,960 15.6%
PRESENT 23,479 74.0%
INIT or CLOSE 3,266 10.3%
OTHER 18 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 448 7.0% 106 23.7% 6 84.3 476.8
TITLE WORD 367 5.7% 94 25.6% 5 81.5 327.6
EXACT TITLE 52 0.8% 40 76.9% 1 2.8 4.8
JOURNAL 189 2.9% 89 47.1% 6 1035.6 5804.7
EXACT JOURNAL 602 9.4% 58 9.6% 639 2577.6 6924.0
SUBJECT 329 5.1% 161 48.9% 24 767.0 5261.0
EXACT SUBJECT 126 2.0% 32 25.4% 121 5454.3 15476.8
KEYWORD 3,189 49.5% 893 28.0% 29 1198.4 8155.2
PUB TYPE 47 0.7% 16 34.0% 39 108.1 318.1
DATE 251 3.9% 58 23.1% 21 136.3 464.2
ADDED 37 0.6% 23 62.2% 7 18.2 22.5
LANGUAGE 113 1.8% 30 26.5% 31 297.7 733.8
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 39 0.6% 21 53.8% 3 177.7 669.9
COMPANY NAME 93 1.4% 35 37.6% 50 592.4 2375.5
EX COMPANY NAME 26 0.4% 12 46.2% 10 48.9 99.2
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 5 0.1% 5 100% 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 69 1.1% 19 27.5% 50 1895.6 9509.1
AT 447 6.9% 82 18.3% 71 2169.4 8642.8
Other indexes 7 0.1% 3 42.9% 10 38.3 62.6
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 1,029 20.7% 282 27.4% 28 1170.3 6142.0
Single 3,931 79.3% 1,058 26.9% 37 1399.4 7973.8
PRESENT commands, by type:
MARC 50.7%
OPAC 21.2%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)