MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 02/09/02 through 02/15/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 102 3,263
2-4 a.m. 101 1,582
4-6 a.m. 177 1,586
6-8 a.m. 45 714
8-10 a.m. 275 5,622
10-12 a.m. 726 12,810
12-2 p.m. 770 15,746
2-4 p.m. 898 19,095
4-6 p.m. 693 13,800
6-8 p.m. 371 7,058
8-10 p.m. 286 6,004
10-12 p.m. 192 2,959
__________ _____________ _________________
Total: 4,636 90,239
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 40
Davis 17
Irvine 86
Los Angeles 36
Riverside 12
San Diego 3
San Francisco 5
Santa Barbara 10
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,524
Searchlight 1,639
Other - UC 211
Other-Network UC 53
_____
4,636
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 413
Davis 26
Irvine 343
Los Angeles 526
Riverside 33
San Diego 20
San Francisco 2
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 87,197
Searchlight 450
Other - UC 296
Other-Network UC 927
_____
90,239
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 0.4
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:05
Average session length (minutes:seconds) 10:04
Longest session recorded (minutes:seconds) 137:07
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1869.1
Retrievals per search - standard deviation 13361
Percent of searches completed with 0 results 28.1%
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 4,636 18.1%
PRESENT 17,716 69.2%
INIT or CLOSE 3,250 12.7%
OTHER 10 0.0%
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 588 10.7% 194 33.0% 5 102.8 889.7
TITLE WORD 332 6.0% 131 39.5% 2 70.6 649.3
EXACT TITLE 39 0.7% 21 53.8% 1 1.6 1.7
JOURNAL 166 3.0% 90 54.2% 6 1666.1 7116.9
EXACT JOURNAL 766 13.9% 86 11.2% 586 2128.9 6768.3
SUBJECT 223 4.0% 129 57.8% 11 3407.7 18684.9
EXACT SUBJECT 68 1.2% 22 32.4% 320 5081.8 22296.7
KEYWORD 2,815 51.0% 806 28.6% 29 3220.7 19027.8
PUB TYPE 31 0.6% 7 22.6% 38 74.4 112.2
DATE 128 2.3% 44 34.4% 10 87.2 377.5
ADDED 20 0.4% 13 65.0% 9 15.0 16.8
LANGUAGE 36 0.7% 20 55.6% 50 225.4 403.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 6 0.1% 2 33.3% 51 111.3 156.5
COMPANY NAME 54 1.0% 14 25.9% 38 1186.1 5005.6
EX COMPANY NAME 5 0.1% 2 40.0% 13 49.3 72.7
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 28 0.5% 10 35.7% 281 4484.8 16138.8
AT 204 3.7% 58 28.4% 18 1142.7 5007.3
Other indexes 11 0.2% 10 90.9% 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 765 16.5% 292 38.2% 6 620.6 4468.1
Single 3,871 83.5% 1,011 26.1% 57 2927.2 16826.9
PRESENT commands, by type:
MARC 50.5%
OPAC 19.2%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)