MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 11/24/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 179 6,652
2-4 a.m. 178 2,203
4-6 a.m. 111 2,279
6-8 a.m. 38 181
8-10 a.m. 340 7,107
10-12 a.m. 875 17,988
12-2 p.m. 1,177 24,937
2-4 p.m. 1,297 31,215
4-6 p.m. 1,380 40,647
6-8 p.m. 822 23,179
8-10 p.m. 745 20,204
10-12 p.m. 385 10,392
__________ _____________ _________________
Total: 7,527 186,984
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 45
Davis 13
Irvine 8
Los Angeles 118
Riverside 0
San Diego 6
San Francisco 7
Santa Barbara 3
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 0
Searchlight 2,373
Other - UC 4,941
Other-Network UC 11
_____
7,527
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 446
Davis 101
Irvine 28
Los Angeles 582
Riverside 0
San Diego 0
San Francisco 53
Santa Barbara 59
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 185,645
Other-Network UC 69
_____
186,984
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 1.9
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) 0:11
Average session length (minutes:seconds) 11:43
Longest session recorded (minutes:seconds) 262:07
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1067.3
Retrievals per search - standard deviation 8750.6
Percent of searches completed with 0 results 27.5%
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 7,527 15.6%
PRESENT 36,445 75.3%
INIT or CLOSE 4,379 9.0%
OTHER 37 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 866 8.8% 203 23.4% 6 60.9 301.2
TITLE WORD 549 5.6% 189 34.4% 3 54.4 182.3
EXACT TITLE 85 0.9% 49 57.6% 1 55.3 319.9
JOURNAL 325 3.3% 122 37.5% 11 1007.4 4868.9
EXACT JOURNAL 723 7.3% 77 10.6% 482 2236.7 5641.4
SUBJECT 502 5.1% 293 58.4% 33 1111.8 3612.8
EXACT SUBJECT 184 1.9% 62 33.7% 226 9731.7 28660.1
KEYWORD 4,877 49.4% 1,294 26.5% 28 1370.2 11023.0
PUB TYPE 52 0.5% 14 26.9% 46 119.8 272.4
DATE 415 4.2% 104 25.1% 9 178.4 632.1
ADDED 40 0.4% 28 70.0% 2 28.4 68.1
LANGUAGE 143 1.4% 33 23.1% 36 375.6 1498.0
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 35 0.4% 20 57.1% 14 288.5 1047.1
COMPANY NAME 99 1.0% 35 35.4% 53 213.7 452.3
EX COMPANY NAME 44 0.4% 15 34.1% 7 73.6 186.3
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 2 0.0% 1 50.0% 82 82.0 0.0
ID NUMBER 6 0.1% 0 0.0% 1 1.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 122 1.2% 35 28.7% 42 385.0 757.8
AT 790 8.0% 218 27.6% 54 1961.1 8600.2
Other indexes 18 0.2% 13 72.2% 4 2755.8 6155.4
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 1,792 23.8% 517 28.8% 18 955.9 5838.7
Single 5,735 76.2% 1,551 27.0% 33 1628.8 11247.4
PRESENT commands, by type:
MARC 48.9%
OPAC 20.2%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)