MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 91 2,041
2-4 a.m. 20 724
4-6 a.m. 14 808
6-8 a.m. 25 651
8-10 a.m. 113 3,869
10-12 a.m. 340 11,961
12-2 p.m. 404 17,544
2-4 p.m. 437 13,726
4-6 p.m. 340 7,014
6-8 p.m. 284 6,542
8-10 p.m. 99 1,889
10-12 p.m. 80 2,585
__________ _____________ _________________
Total: 2,247 69,354
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 29
Irvine 0
Los Angeles 44
Riverside 2
San Diego 24
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 513
Other - UC 1,605
Other-Network UC 14
_____
2,247
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 25
Davis 140
Irvine 0
Los Angeles 714
Riverside 1
San Diego 147
San Francisco 18
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 68,239
Other-Network UC 70
_____
69,354
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 10.6
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) 20:02
Average session length (minutes:seconds) 14:47
Longest session recorded (minutes:seconds) 230:27
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 852.8
Retrievals per search - standard deviation 5616.0
Percent of searches completed with 0 results 24.3%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,247 13.2%
PRESENT 13,511 79.1%
INIT or CLOSE 1,302 7.6%
OTHER 15 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 465 16.3% 122 26.2% 7 27.4 149.2
TITLE WORD 197 6.9% 78 39.6% 6 59.8 176.3
EXACT TITLE 35 1.2% 12 34.3% 1 2.6 3.9
JOURNAL 113 4.0% 50 44.2% 8 321.8 1767.8
EXACT JOURNAL 255 8.9% 32 12.5% 339 2798.7 7667.8
SUBJECT 127 4.4% 50 39.4% 18 457.1 1576.1
EXACT SUBJECT 78 2.7% 12 15.4% 15 626.6 1885.0
KEYWORD 1,174 41.1% 282 24.0% 37 1261.5 7895.3
PUB TYPE 78 2.7% 6 7.7% 322 316.5 276.2
DATE 109 3.8% 24 22.0% 13 200.1 1023.9
ADDED 29 1.0% 20 69.0% 22 20.8 16.6
LANGUAGE 19 0.7% 5 26.3% 13 76.8 199.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 6 0.2% 2 33.3% 3 16.5 27.7
COMPANY NAME 82 2.9% 16 19.5% 133 1283.2 1459.6
EX COMPANY NAME 3 0.1% 0 0.0% 13 13.3 2.5
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 1 0.0% 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 24 0.8% 6 25.0% 45 60.6 77.0
AT 59 2.1% 16 27.1% 12 329.1 795.0
Other indexes 0 0.0% 0 0.0% 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 497 22.1% 148 29.8% 15 234.5 946.4
Single 1,750 77.9% 398 22.7% 29 1356.8 7180.3
PRESENT commands, by type:
MARC 45.8%
OPAC 20.4%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)