MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 10/13/01 through 10/19/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 112 4,546
2-4 a.m. 47 684
4-6 a.m. 10 45
6-8 a.m. 79 1,074
8-10 a.m. 311 6,703
10-12 a.m. 636 16,207
12-2 p.m. 982 22,099
2-4 p.m. 1,041 25,272
4-6 p.m. 908 19,373
6-8 p.m. 652 16,960
8-10 p.m. 379 10,099
10-12 p.m. 208 6,427
__________ _____________ _________________
Total: 5,365 129,489
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 24
Davis 21
Irvine 0
Los Angeles 18
Riverside 0
San Diego 16
San Francisco 34
Santa Barbara 3
Santa Cruz 10
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,728
Other - UC 3,432
Other-Network UC 79
_____
5,365
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 171
Davis 348
Irvine 0
Los Angeles 108
Riverside 0
San Diego 0
San Francisco 766
Santa Barbara 0
Santa Cruz 6
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 127,129
Other-Network UC 961
_____
129,489
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 2.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:12
Average session length (minutes:seconds) 11:16
Longest session recorded (minutes:seconds) 135:46
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1278.2
Retrievals per search - standard deviation 11611
Percent of searches completed with 0 results 27.9%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 5,365 15.5%
PRESENT 25,888 74.7%
INIT or CLOSE 3,389 9.8%
OTHER 11 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 620 9.2% 170 27.4% 7 44.2 253.6
TITLE WORD 545 8.1% 180 33.0% 2 108.8 1062.4
EXACT TITLE 95 1.4% 48 50.5% 1 3.6 9.5
JOURNAL 222 3.3% 97 43.7% 21 684.6 1872.6
EXACT JOURNAL 751 11.1% 166 22.1% 643 2367.7 6127.4
SUBJECT 273 4.0% 154 56.4% 23 2612.3 13462.7
EXACT SUBJECT 87 1.3% 24 27.6% 32 4924.5 19761.5
KEYWORD 3,178 47.0% 855 26.9% 39 2017.9 16706.6
PUB TYPE 63 0.9% 11 17.5% 11 69.0 212.1
DATE 202 3.0% 46 22.8% 9 55.9 205.2
ADDED 27 0.4% 22 81.5% 10 82.2 143.5
LANGUAGE 92 1.4% 23 25.0% 20 157.2 550.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 8 0.1% 3 37.5% 25 37.0 31.4
COMPANY NAME 106 1.6% 42 39.6% 12 542.0 2315.4
EX COMPANY NAME 9 0.1% 2 22.2% 58 2407.4 6248.4
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 2 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 75 1.1% 25 33.3% 20 2263.1 8251.0
AT 398 5.9% 85 21.4% 30 3818.1 27534.5
Other indexes 14 0.2% 5 35.7% 7 88.9 145.5
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 1,095 20.4% 384 35.1% 13 1896.9 18482.8
Single 4,270 79.6% 1,113 26.1% 50 1744.9 12295.9
PRESENT commands, by type:
MARC 50.3%
OPAC 21.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)