MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 01/13/01 through 01/19/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 60 3,202
2-4 a.m. 22 737
4-6 a.m. 8 115
6-8 a.m. 31 610
8-10 a.m. 282 7,122
10-12 a.m. 639 19,612
12-2 p.m. 520 12,172
2-4 p.m. 1,141 25,995
4-6 p.m. 519 16,756
6-8 p.m. 292 9,917
8-10 p.m. 264 7,690
10-12 p.m. 158 3,035
__________ _____________ _________________
Total: 3,936 106,963
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 21
Davis 9
Irvine 1
Los Angeles 6
Riverside 2
San Diego 20
San Francisco 4
Santa Barbara 3
Santa Cruz 4
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 2,467
Searchlight 1,292
Other - UC 77
Other-Network UC 29
_____
3,936
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 182
Davis 60
Irvine 0
Los Angeles 34
Riverside 17
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 111
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 103,802
Searchlight 1,093
Other - UC 1,184
Other-Network UC 480
_____
106,963
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 2.4
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) 0:10
Average session length (minutes:seconds) 11:40
Longest session recorded (minutes:seconds) 95:14
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1241.4
Retrievals per search - standard deviation 8038.9
Percent of searches completed with 0 results 28.6%
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 3,936 15.3%
PRESENT 19,382 75.2%
INIT or CLOSE 2,388 9.3%
OTHER 68 0.3%
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 511 10.5% 138 27.0% 7 39.1 147.3
TITLE WORD 364 7.5% 96 26.4% 5 119.4 588.0
EXACT TITLE 31 0.6% 15 48.4% 1 5.8 14.2
JOURNAL 151 3.1% 68 45.0% 11 995.5 3568.2
EXACT JOURNAL 314 6.5% 62 19.7% 861 6682.6 23460.8
SUBJECT 279 5.7% 146 52.3% 52 1292.6 4551.1
EXACT SUBJECT 126 2.6% 26 20.6% 178 2966.9 11498.2
KEYWORD 2,462 50.7% 711 28.9% 34 1519.1 7158.6
PUB TYPE 63 1.3% 12 19.0% 13 469.2 1544.1
DATE 88 1.8% 22 25.0% 19 126.5 342.6
ADDED 21 0.4% 15 71.4% 21 39.0 37.0
LANGUAGE 33 0.7% 11 33.3% 24 1620.5 4784.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 10 0.2% 5 50.0% 67 85.8 85.4
COMPANY NAME 144 3.0% 35 24.3% 36 183.9 500.4
EX COMPANY NAME 6 0.1% 3 50.0% 152 364.0 421.1
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 15 0.3% 0 0.0% 1 1.0 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 42 0.9% 4 9.5% 9 134.9 443.4
AT 189 3.9% 43 22.8% 32 675.0 2243.4
Other indexes 4 0.1% 4 100% 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 749 19.0% 238 31.8% 16 427.2 1971.5
Single 3,187 81.0% 888 27.9% 34 2030.4 10405.4
PRESENT commands, by type:
MARC 46.4%
OPAC 20.9%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)