MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 02/10/01 through 02/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 186 4,154
2-4 a.m. 85 2,367
4-6 a.m. 25 545
6-8 a.m. 45 3,852
8-10 a.m. 331 11,342
10-12 a.m. 949 23,700
12-2 p.m. 975 26,753
2-4 p.m. 1,386 42,455
4-6 p.m. 1,022 32,806
6-8 p.m. 628 22,159
8-10 p.m. 449 15,386
10-12 p.m. 278 13,648
__________ _____________ _________________
Total: 6,359 199,167
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 30
Davis 13
Irvine 6
Los Angeles 51
Riverside 17
San Diego 57
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,143
Searchlight 1,919
Other - UC 112
Other-Network UC 10
_____
6,359
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,015
Davis 229
Irvine 130
Los Angeles 326
Riverside 30
San Diego 66
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 187,242
Searchlight 8,287
Other - UC 766
Other-Network UC 76
_____
199,167
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
Standard deviation in seconds 7.1
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) 0:12
Average session length (minutes:seconds) 12:10
Longest session recorded (minutes:seconds) 238:53
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1113.6
Retrievals per search - standard deviation 9871.7
Percent of searches completed with 0 results 27.5%
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 6,359 12.7%
PRESENT 40,066 80.0%
INIT or CLOSE 3,633 7.3%
OTHER 29 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 829 10.3% 189 22.8% 6 29.0 105.3
TITLE WORD 605 7.5% 190 31.4% 3 79.7 465.0
EXACT TITLE 60 0.7% 30 50.0% 1 4.1 10.2
JOURNAL 279 3.5% 106 38.0% 8 982.0 4509.5
EXACT JOURNAL 528 6.6% 66 12.5% 564 3533.9 13629.0
SUBJECT 404 5.0% 205 50.7% 24 1256.4 4279.5
EXACT SUBJECT 168 2.1% 26 15.5% 27 1705.8 5976.9
KEYWORD 4,025 50.1% 1,117 27.8% 30 1649.1 13345.0
PUB TYPE 75 0.9% 18 24.0% 15 151.4 205.2
DATE 166 2.1% 45 27.1% 13 238.8 773.5
ADDED 83 1.0% 23 27.7% 38 32.3 13.2
LANGUAGE 70 0.9% 19 27.1% 35 1430.6 7369.5
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 36 0.4% 17 47.2% 78 186.4 244.3
COMPANY NAME 73 0.9% 25 34.2% 29 313.0 988.0
EX COMPANY NAME 13 0.2% 7 53.8% 136 254.2 343.1
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 6 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 70 0.9% 17 24.3% 30 733.8 4491.1
AT 541 6.7% 120 22.2% 42 1819.1 9018.3
Other indexes 6 0.1% 6 100% 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 1,346 21.2% 368 27.3% 18 885.9 6073.8
Single 5,013 78.8% 1,382 27.6% 28 1711.6 12640.7
PRESENT commands, by type:
MARC 45.9%
OPAC 28.6%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)