MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 07/14/01 through 07/20/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 81 1,788
2-4 a.m. 30 444
4-6 a.m. 15 366
6-8 a.m. 37 834
8-10 a.m. 250 7,411
10-12 a.m. 550 14,333
12-2 p.m. 609 21,036
2-4 p.m. 887 25,982
4-6 p.m. 585 25,389
6-8 p.m. 258 7,896
8-10 p.m. 105 2,729
10-12 p.m. 76 1,937
__________ _____________ _________________
Total: 3,483 110,145
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 61
Davis 20
Irvine 22
Los Angeles 62
Riverside 4
San Diego 5
San Francisco 4
Santa Barbara 9
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 25
Searchlight 906
Other - UC 2,335
Other-Network UC 30
_____
3,483
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 304
Davis 111
Irvine 412
Los Angeles 472
Riverside 0
San Diego 2
San Francisco 23
Santa Barbara 88
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 108,255
Other-Network UC 478
_____
110,145
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 2.3
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) 0:52
Average session length (minutes:seconds) 13:07
Longest session recorded (minutes:seconds) 148:14
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1398.7
Retrievals per search - standard deviation 11206
Percent of searches completed with 0 results 26.3%
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 3,483 13.1%
PRESENT 21,108 79.4%
INIT or CLOSE 1,978 7.4%
OTHER 22 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 652 15.0% 151 23.2% 5 469.3 8196.7
TITLE WORD 371 8.5% 119 32.1% 4 68.5 311.9
EXACT TITLE 29 0.7% 20 69.0% 1 11.9 21.6
JOURNAL 170 3.9% 61 35.9% 30 1109.6 5510.0
EXACT JOURNAL 369 8.5% 75 20.3% 513 2712.0 8535.7
SUBJECT 189 4.3% 104 55.0% 37 2775.2 19905.7
EXACT SUBJECT 123 2.8% 36 29.3% 17 5779.3 21962.1
KEYWORD 1,975 45.4% 509 25.8% 33 2288.5 15774.2
PUB TYPE 24 0.6% 2 8.3% 53 276.9 536.5
DATE 117 2.7% 31 26.5% 10 339.0 985.3
ADDED 30 0.7% 22 73.3% 28 28.6 12.7
LANGUAGE 44 1.0% 17 38.6% 30 254.5 407.4
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 12 0.3% 5 41.7% 475 4366.1 10502.8
COMPANY NAME 57 1.3% 16 28.1% 27 253.7 474.6
EX COMPANY NAME 6 0.1% 1 16.7% 256 170.2 122.4
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 1 0.0% 0 0.0% 407 407.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 37 0.9% 10 27.0% 34 114.3 195.3
AT 141 3.2% 26 18.4% 45 1517.0 7144.5
Other indexes 1 0.0% 1 100% 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 705 20.2% 230 32.6% 10 963.9 9220.1
Single 2,778 79.8% 687 24.7% 36 2110.8 13730.3
PRESENT commands, by type:
MARC 48.9%
OPAC 24.7%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)