MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 10/06/01 through 10/12/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 103 1,782
2-4 a.m. 32 2,284
4-6 a.m. 6 11
6-8 a.m. 66 2,358
8-10 a.m. 366 8,305
10-12 a.m. 734 18,181
12-2 p.m. 830 16,128
2-4 p.m. 917 19,669
4-6 p.m. 599 17,341
6-8 p.m. 454 11,725
8-10 p.m. 272 11,616
10-12 p.m. 205 4,544
__________ _____________ _________________
Total: 4,584 113,944
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 34
Davis 27
Irvine 11
Los Angeles 97
Riverside 5
San Diego 8
San Francisco 15
Santa Barbara 3
Santa Cruz 7
Lawrence Berkeley 0
Lawrence Livermore 9
Los Alamos 0
MELWEB 0
Searchlight 1,546
Other - UC 2,798
Other-Network UC 24
_____
4,584
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 69
Davis 66
Irvine 1,009
Los Angeles 742
Riverside 91
San Diego 1
San Francisco 180
Santa Barbara 138
Santa Cruz 55
Lawrence Berkeley 0
Lawrence Livermore 84
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 110,591
Other-Network UC 918
_____
113,944
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 3.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 11:11
Longest session recorded (minutes:seconds) 114:15
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 1028.3
Retrievals per search - standard deviation 7707.8
Percent of searches completed with 0 results 30.4%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,584 15.0%
PRESENT 23,014 75.5%
INIT or CLOSE 2,856 9.4%
OTHER 20 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 590 10.2% 145 24.6% 5 45.9 278.0
TITLE WORD 477 8.3% 192 40.3% 2 136.5 599.0
EXACT TITLE 62 1.1% 36 58.1% 1 36.8 95.5
JOURNAL 227 3.9% 113 49.8% 22 488.7 2433.9
EXACT JOURNAL 413 7.1% 68 16.5% 670 2099.8 5534.4
SUBJECT 277 4.8% 138 49.8% 38 3237.9 23846.1
EXACT SUBJECT 105 1.8% 22 20.9% 84 4255.6 17100.0
KEYWORD 2,786 48.2% 829 29.8% 32 1562.0 8875.0
PUB TYPE 46 0.8% 10 21.7% 33 226.6 529.4
DATE 88 1.5% 32 36.4% 19 217.5 519.1
ADDED 26 0.4% 21 80.8% 17 22.6 11.3
LANGUAGE 38 0.7% 15 39.5% 75 239.7 516.6
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 17 0.3% 4 23.5% 86 922.4 2100.1
COMPANY NAME 174 3.0% 56 32.2% 87 328.9 504.7
EX COMPANY NAME 19 0.3% 6 31.6% 87 375.9 503.0
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 3 0.1% 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 13 0.2% 1 7.7% 35 171.8 217.3
AT 404 7.0% 62 15.3% 81 1727.0 6830.7
Other indexes 14 0.2% 13 92.9% 285 285.0 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 1,004 21.9% 303 30.2% 19 905.9 4851.9
Single 3,580 78.1% 1,092 30.5% 36 1639.3 10093.8
PRESENT commands, by type:
MARC 51.1%
OPAC 21.6%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)