MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 03/31/01 through 04/06/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 82 979
2-4 a.m. 80 811
4-6 a.m. 15 1,075
6-8 a.m. 33 931
8-10 a.m. 192 2,622
10-12 a.m. 547 9,260
12-2 p.m. 732 19,626
2-4 p.m. 872 22,205
4-6 p.m. 620 15,595
6-8 p.m. 313 6,439
8-10 p.m. 252 5,616
10-12 p.m. 217 8,993
__________ _____________ _________________
Total: 3,955 94,152
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 11
Davis 13
Irvine 3
Los Angeles 15
Riverside 1
San Diego 15
San Francisco 3
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,470
Searchlight 1,303
Other - UC 67
Other-Network UC 51
_____
3,955
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 88
Davis 60
Irvine 26
Los Angeles 72
Riverside 0
San Diego 69
San Francisco 5
Santa Barbara 8
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 91,755
Searchlight 182
Other - UC 1,531
Other-Network UC 356
_____
94,152
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 2.5
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) 11:33
Longest session recorded (minutes:seconds) 152:15
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 671.0
Retrievals per search - standard deviation 4472.3
Percent of searches completed with 0 results 28.8%
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 3,955 16.3%
PRESENT 17,845 73.4%
INIT or CLOSE 2,455 10.1%
OTHER 43 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 641 12.9% 120 18.7% 5 34.7 145.8
TITLE WORD 473 9.6% 159 33.6% 4 97.8 333.8
EXACT TITLE 61 1.2% 35 57.4% 1 6.1 22.9
JOURNAL 264 5.3% 75 28.4% 5 701.4 3072.0
EXACT JOURNAL 373 7.5% 47 12.6% 547 2000.6 7243.8
SUBJECT 175 3.5% 79 45.1% 33 629.2 2456.5
EXACT SUBJECT 67 1.4% 30 44.8% 178 5186.0 24318.4
KEYWORD 2,297 46.4% 720 31.3% 23 986.1 4786.6
PUB TYPE 53 1.1% 4 7.5% 51 602.7 1775.5
DATE 160 3.2% 37 23.1% 5 82.1 515.8
ADDED 18 0.4% 13 72.2% 26 1504.0 2327.5
LANGUAGE 52 1.1% 5 9.6% 5 172.7 529.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 16 0.3% 2 12.5% 32 138.7 202.0
COMPANY NAME 42 0.8% 9 21.4% 58 394.5 790.1
EX COMPANY NAME 11 0.2% 3 27.3% 7 33.4 44.0
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 3 0.1% 0 0.0% 1 1.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 27 0.5% 0 0.0% 118 696.9 1949.5
AT 204 4.1% 52 25.5% 16 976.9 3931.9
Other indexes 11 0.2% 11 100% 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 800 20.2% 219 27.4% 6 360.7 2158.8
Single 3,155 79.8% 920 29.2% 29 1093.7 5810.2
PRESENT commands, by type:
MARC 46.1%
OPAC 21.1%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)