MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 02/02/02 through 02/08/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 107 3,897
2-4 a.m. 56 459
4-6 a.m. 88 956
6-8 a.m. 24 620
8-10 a.m. 206 5,182
10-12 a.m. 675 10,606
12-2 p.m. 776 15,441
2-4 p.m. 835 13,838
4-6 p.m. 652 14,925
6-8 p.m. 336 7,927
8-10 p.m. 291 4,432
10-12 p.m. 229 8,747
__________ _____________ _________________
Total: 4,275 87,030
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 43
Davis 20
Irvine 8
Los Angeles 30
Riverside 0
San Diego 2
San Francisco 4
Santa Barbara 14
Santa Cruz 4
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,293
Searchlight 1,743
Other - UC 66
Other-Network UC 48
_____
4,275
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 268
Davis 91
Irvine 37
Los Angeles 259
Riverside 0
San Diego 67
San Francisco 269
Santa Barbara 18
Santa Cruz 14
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 80,107
Searchlight 371
Other - UC 621
Other-Network UC 4,908
_____
87,030
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 2.0
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
_________________________________________
Median session length (minutes:seconds) 0:05
Average session length (minutes:seconds) 9:43
Longest session recorded (minutes:seconds) 213:40
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 825.7
Retrievals per search - standard deviation 7224.0
Percent of searches completed with 0 results 30.9%
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 4,275 15.7%
PRESENT 19,929 73.2%
INIT or CLOSE 2,996 11.0%
OTHER 18 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 470 9.0% 137 29.1% 5 48.5 233.1
TITLE WORD 351 6.7% 120 34.2% 5 119.3 430.4
EXACT TITLE 28 0.5% 14 50.0% 1 4.7 6.9
JOURNAL 169 3.2% 80 47.3% 7 334.1 808.4
EXACT JOURNAL 588 11.3% 62 10.5% 756 2175.8 5701.5
SUBJECT 225 4.3% 122 54.2% 14 564.7 2395.3
EXACT SUBJECT 61 1.2% 8 13.1% 74 1930.5 5886.7
KEYWORD 2,759 52.9% 933 33.8% 26 1184.1 10497.3
PUB TYPE 21 0.4% 3 14.3% 29 136.4 267.9
DATE 129 2.5% 33 25.6% 8 91.3 219.7
ADDED 24 0.5% 20 83.3% 18 23.3 12.0
LANGUAGE 33 0.6% 18 54.5% 24 97.0 178.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 10 0.2% 1 10.0% 24 93.0 201.9
COMPANY NAME 43 0.8% 14 32.6% 48 185.2 471.4
EX COMPANY NAME 12 0.2% 5 41.7% 118 126.6 121.2
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 43 0.8% 8 18.6% 37 3236.5 12254.3
AT 250 4.8% 63 25.2% 88 3342.6 27360.2
Other indexes 4 0.1% 2 50.0% 36 36.0 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 799 18.7% 260 32.5% 14 1415.0 16458.8
Single 3,476 81.3% 1,063 30.6% 44 1146.9 5612.1
PRESENT commands, by type:
MARC 60.2%
OPAC 17.1%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)