MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/09/00 through 12/15/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 78 1,645
2-4 a.m. 18 185
4-6 a.m. 10 134
6-8 a.m. 33 221
8-10 a.m. 209 3,455
10-12 a.m. 515 10,263
12-2 p.m. 882 23,275
2-4 p.m. 862 25,351
4-6 p.m. 579 14,443
6-8 p.m. 275 7,554
8-10 p.m. 204 4,204
10-12 p.m. 158 5,245
__________ _____________ _________________
Total: 3,823 95,975
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 7
Davis 5
Irvine 17
Los Angeles 8
Riverside 1
San Diego 20
San Francisco 6
Santa Barbara 9
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,415
Searchlight 1,113
Other - UC 175
Other-Network UC 45
_____
3,823
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11
Davis 22
Irvine 85
Los Angeles 8
Riverside 12
San Diego 105
San Francisco 1
Santa Barbara 26
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 90,925
Searchlight 869
Other - UC 3,517
Other-Network UC 394
_____
95,975
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 2.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.2
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:10
Average session length (minutes:seconds) 12:14
Longest session recorded (minutes:seconds) 181:29
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 773.5
Retrievals per search - standard deviation 6065.3
Percent of searches completed with 0 results 28.2%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,823 15.2%
PRESENT 19,271 76.5%
INIT or CLOSE 2,088 8.3%
OTHER 9 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 729 15.1% 166 22.8% 6 56.9 336.8
TITLE WORD 419 8.7% 145 34.6% 2 97.9 531.6
EXACT TITLE 57 1.2% 15 26.3% 1 18.1 46.3
JOURNAL 194 4.0% 70 36.1% 6 416.1 1122.3
EXACT JOURNAL 401 8.3% 57 14.2% 275 3746.6 16009.7
SUBJECT 169 3.5% 95 56.2% 16 688.3 3424.2
EXACT SUBJECT 73 1.5% 24 32.9% 80 5429.4 20296.3
KEYWORD 2,148 44.5% 631 29.4% 30 818.9 4198.3
PUB TYPE 39 0.8% 7 17.9% 41 245.5 513.2
DATE 246 5.1% 37 15.0% 14 85.3 269.5
ADDED 17 0.4% 11 64.7% 23 27.3 30.5
LANGUAGE 60 1.2% 17 28.3% 26 613.7 1613.5
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 16 0.3% 1 6.3% 97 177.7 266.8
COMPANY NAME 66 1.4% 17 25.8% 15 248.4 793.7
EX COMPANY NAME 5 0.1% 4 80.0% 715 715.0 0.0
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 3 0.1% 3 100% 0 0.0 0.0
ID NUMBER 4 0.1% 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 38 0.8% 8 21.1% 34 567.7 1347.5
AT 141 2.9% 40 28.4% 14 1708.4 6467.4
Other indexes 3 0.1% 1 33.3% 135 135.0 106.1
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 853 22.3% 216 25.3% 6 380.0 2688.6
Single 2,970 77.7% 863 29.1% 29 1288.6 7997.6
PRESENT commands, by type:
MARC 49.1%
OPAC 19.8%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)