MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/01 through 12/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 158 3,756
2-4 a.m. 140 1,493
4-6 a.m. 134 1,418
6-8 a.m. 26 2,430
8-10 a.m. 254 5,654
10-12 a.m. 747 12,259
12-2 p.m. 737 23,243
2-4 p.m. 1,015 28,054
4-6 p.m. 1,023 24,127
6-8 p.m. 514 13,047
8-10 p.m. 360 7,361
10-12 p.m. 249 4,847
__________ _____________ _________________
Total: 5,357 127,689
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 36
Davis 17
Irvine 10
Los Angeles 16
Riverside 3
San Diego 8
San Francisco 2
Santa Barbara 6
Santa Cruz 5
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,969
Other - UC 3,244
Other-Network UC 41
_____
5,357
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 531
Davis 111
Irvine 40
Los Angeles 244
Riverside 15
San Diego 58
San Francisco 2
Santa Barbara 0
Santa Cruz 6
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 126,343
Other-Network UC 339
_____
127,689
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 1.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 10:15
Longest session recorded (minutes:seconds) 176:19
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1105.1
Retrievals per search - standard deviation 8569.6
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 5,357 16.1%
PRESENT 24,476 73.5%
INIT or CLOSE 3,433 10.3%
OTHER 25 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 642 9.1% 167 26.0% 8 28.1 118.7
TITLE WORD 496 7.1% 172 34.7% 3 57.2 233.2
EXACT TITLE 80 1.1% 35 43.8% 1 2.5 6.0
JOURNAL 179 2.5% 71 39.7% 8 1372.4 9347.7
EXACT JOURNAL 657 9.3% 70 10.7% 585 2245.8 5860.8
SUBJECT 268 3.8% 126 47.0% 19 1002.7 5880.4
EXACT SUBJECT 75 1.1% 11 14.7% 56 1401.2 4931.3
KEYWORD 3,432 48.8% 1,048 30.5% 30 1758.7 12173.5
PUB TYPE 23 0.3% 10 43.5% 69 61.5 62.0
DATE 370 5.3% 81 21.9% 14 246.5 916.8
ADDED 74 1.1% 39 52.7% 9 25.3 39.0
LANGUAGE 138 2.0% 31 22.5% 42 415.2 1377.2
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 9 0.1% 5 55.6% 39 39.8 30.5
COMPANY NAME 31 0.4% 14 45.2% 163 287.9 381.0
EX COMPANY NAME 7 0.1% 1 14.3% 128 724.7 1388.4
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 2 0.0% 1 50.0% 224 224.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 107 1.5% 31 29.0% 43 680.6 3598.0
AT 437 6.2% 88 20.1% 100 4721.2 17236.7
Other indexes 2 0.0% 2 100% 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 1,160 21.7% 311 26.8% 15 2047.0 11320.4
Single 4,197 78.3% 1,231 29.3% 38 1410.0 9748.0
PRESENT commands, by type:
MARC 49.7%
OPAC 20.6%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)