MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/22/02 through 06/28/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 171 1,600
2-4 a.m. 14 48
4-6 a.m. 3 234
6-8 a.m. 11 248
8-10 a.m. 112 1,864
10-12 a.m. 271 6,157
12-2 p.m. 299 5,248
2-4 p.m. 235 3,566
4-6 p.m. 269 4,548
6-8 p.m. 113 1,338
8-10 p.m. 60 670
10-12 p.m. 51 997
__________ _____________ _________________
Total: 1,609 26,518
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 19
Davis 9
Irvine 8
Los Angeles 24
Riverside 4
San Diego 5
San Francisco 1
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 910
Searchlight 550
Other - UC 24
Other-Network UC 54
_____
1,609
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 471
Davis 24
Irvine 90
Los Angeles 103
Riverside 302
San Diego 19
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 25,068
Searchlight 73
Other - UC 33
Other-Network UC 335
_____
26,518
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 4.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:38
Average session length (minutes:seconds) 11:25
Longest session recorded (minutes:seconds) 134:04
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 767.7
Retrievals per search - standard deviation 4120.6
Percent of searches completed with 0 results 32.8%
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 1,609 19.2%
PRESENT 5,647 67.2%
INIT or CLOSE 1,131 13.5%
OTHER 13 0.2%
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 297 15.4% 100 33.7% 4 12.8 28.4
TITLE WORD 180 9.3% 80 44.4% 3 113.3 521.1
EXACT TITLE 23 1.2% 9 39.1% 1 42.3 153.9
JOURNAL 55 2.9% 28 50.9% 9 169.8 348.0
EXACT JOURNAL 334 17.3% 30 9.0% 532 1373.5 3082.0
SUBJECT 46 2.4% 31 67.4% 79 1801.7 3979.6
EXACT SUBJECT 3 0.2% 1 33.3% 7 6.5 7.8
KEYWORD 825 42.8% 320 38.8% 22 1533.8 6801.0
PUB TYPE 22 1.1% 2 9.1% 25 100.3 139.0
DATE 59 3.1% 19 32.2% 9 28.8 50.3
ADDED 26 1.3% 22 84.6% 8 8.0 3.6
LANGUAGE 9 0.5% 4 44.4% 110 132.2 137.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 5 0.3% 1 20.0% 10 41.3 69.6
COMPANY NAME 11 0.6% 3 27.3% 11 117.1 202.9
EX COMPANY NAME 0 0.0% 0 0.0% 0 0.0 0.0
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 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 7 0.4% 6 85.7% 274 274.0 0.0
AT 27 1.4% 10 37.0% 110 332.5 456.5
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 276 17.2% 114 41.3% 6 77.1 222.0
Single 1,333 82.8% 413 31.0% 53 1329.1 5381.8
PRESENT commands, by type:
MARC 56.6%
OPAC 19.4%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)