MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 02/03/01 through 02/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 131 7,842
2-4 a.m. 67 1,878
4-6 a.m. 23 825
6-8 a.m. 50 1,158
8-10 a.m. 261 7,633
10-12 a.m. 798 18,791
12-2 p.m. 1,216 31,127
2-4 p.m. 1,243 33,124
4-6 p.m. 995 30,462
6-8 p.m. 551 20,317
8-10 p.m. 418 12,389
10-12 p.m. 278 8,521
__________ _____________ _________________
Total: 6,031 174,067
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 20
Davis 14
Irvine 13
Los Angeles 1
Riverside 3
San Diego 18
San Francisco 18
Santa Barbara 5
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,747
Searchlight 2,076
Other - UC 107
Other-Network UC 9
_____
6,031
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 86
Davis 15
Irvine 184
Los Angeles 0
Riverside 0
San Diego 3
San Francisco 10
Santa Barbara 21
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 167,456
Searchlight 2,138
Other - UC 2,055
Other-Network UC 2,099
_____
174,067
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 3.2
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) 0:09
Average session length (minutes:seconds) 11:26
Longest session recorded (minutes:seconds) 208:26
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 992.2
Retrievals per search - standard deviation 6828.1
Percent of searches completed with 0 results 30.7%
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 6,031 13.8%
PRESENT 34,173 78.1%
INIT or CLOSE 3,544 8.1%
OTHER 23 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 749 9.7% 201 26.8% 5 67.5 547.9
TITLE WORD 597 7.7% 198 33.2% 3 51.6 202.6
EXACT TITLE 128 1.7% 47 36.7% 1 5.7 22.5
JOURNAL 355 4.6% 141 39.7% 4 554.4 3788.4
EXACT JOURNAL 456 5.9% 46 10.1% 331 2391.7 9825.3
SUBJECT 438 5.7% 207 47.3% 26 749.0 2656.5
EXACT SUBJECT 193 2.5% 46 23.8% 78 6464.8 22304.8
KEYWORD 3,841 49.8% 1,204 31.3% 31 1408.6 7704.8
PUB TYPE 54 0.7% 10 18.5% 41 687.9 2307.7
DATE 194 2.5% 61 31.4% 22 217.4 1300.1
ADDED 30 0.4% 10 33.3% 38 27.2 14.5
LANGUAGE 71 0.9% 15 21.1% 4 91.3 324.1
GEOGRAPHIC NAME 4 0.1% 4 100% 0 0.0 0.0
SUBJ CATEGORY 22 0.3% 10 45.5% 20 186.9 301.9
COMPANY NAME 80 1.0% 30 37.5% 26 205.9 472.2
EX COMPANY NAME 13 0.2% 8 61.5% 36 832.8 1573.5
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 1 100% 0 0.0 0.0
ID NUMBER 1 0.0% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 80 1.0% 24 30.0% 30 308.2 811.9
AT 405 5.2% 106 26.2% 36 1293.5 4019.3
Other indexes 7 0.1% 2 28.6% 1 1.0 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 1,290 21.4% 382 29.6% 11 536.6 2553.6
Single 4,741 78.6% 1,469 31.0% 33 1680.0 9113.3
PRESENT commands, by type:
MARC 47.6%
OPAC 23.4%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)