MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 01/05/02 through 01/11/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 66 1,072
2-4 a.m. 44 524
4-6 a.m. 120 1,233
6-8 a.m. 29 71
8-10 a.m. 207 2,877
10-12 a.m. 630 12,521
12-2 p.m. 380 10,826
2-4 p.m. 587 9,303
4-6 p.m. 340 6,610
6-8 p.m. 193 3,401
8-10 p.m. 124 1,739
10-12 p.m. 73 1,322
__________ _____________ _________________
Total: 2,793 51,499
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 13
Davis 19
Irvine 2
Los Angeles 10
Riverside 5
San Diego 7
San Francisco 21
Santa Barbara 5
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,815
Searchlight 755
Other - UC 76
Other-Network UC 64
_____
2,793
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 104
Irvine 1
Los Angeles 23
Riverside 36
San Diego 29
San Francisco 231
Santa Barbara 117
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 48,127
Searchlight 258
Other - UC 489
Other-Network UC 560
_____
51,499
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 2.8
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) 1:43
Average session length (minutes:seconds) 12:32
Longest session recorded (minutes:seconds) 93:24
Average number of searches completed per session 0.0
Retrievals per search - median 10.0
Retrievals per search - average 1863.6
Retrievals per search - standard deviation 14467
Percent of searches completed with 0 results 25.9%
Percent of searches entered that are long 0.6%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,793 17.7%
PRESENT 11,186 71.0%
INIT or CLOSE 1,767 11.2%
OTHER 9 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 467 13.9% 107 22.9% 6 51.2 449.1
TITLE WORD 267 8.0% 96 36.0% 6 204.1 562.4
EXACT TITLE 31 0.9% 10 32.3% 1 4.0 5.7
JOURNAL 131 3.9% 65 49.6% 13 5544.0 32364.2
EXACT JOURNAL 440 13.1% 41 9.3% 705 2857.7 6650.2
SUBJECT 229 6.8% 89 38.9% 106 3559.0 19396.9
EXACT SUBJECT 29 0.9% 9 31.0% 544 6125.0 14151.3
KEYWORD 1,402 41.8% 389 27.7% 49 2942.1 20692.1
PUB TYPE 25 0.7% 7 28.0% 34 76.8 105.9
DATE 105 3.1% 29 27.6% 5 166.6 671.6
ADDED 25 0.7% 20 80.0% 14 14.6 11.5
LANGUAGE 28 0.8% 9 32.1% 42 1590.8 5222.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 18 0.5% 8 44.4% 43 6593.7 14546.5
COMPANY NAME 52 1.6% 11 21.2% 35 145.0 422.5
EX COMPANY NAME 3 0.1% 1 33.3% 18 17.5 20.5
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 17 0.5% 3 17.6% 234 2125.9 5997.2
AT 79 2.4% 16 20.3% 42 722.0 2922.8
Other indexes 6 0.2% 6 100% 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 448 16.0% 149 33.3% 10 283.0 1488.9
Single 2,345 84.0% 574 24.5% 72 2891.2 18079.7
PRESENT commands, by type:
MARC 53.4%
OPAC 20.7%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)