MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/15/02 through 06/21/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 181 1,993
2-4 a.m. 18 176
4-6 a.m. 5 0
6-8 a.m. 40 679
8-10 a.m. 138 3,338
10-12 a.m. 247 4,430
12-2 p.m. 289 5,485
2-4 p.m. 339 5,972
4-6 p.m. 224 5,098
6-8 p.m. 66 1,173
8-10 p.m. 30 216
10-12 p.m. 42 1,040
__________ _____________ _________________
Total: 1,619 29,600
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 14
Davis 7
Irvine 24
Los Angeles 12
Riverside 4
San Diego 18
San Francisco 6
Santa Barbara 5
Santa Cruz 4
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 994
Searchlight 467
Other - UC 18
Other-Network UC 45
_____
1,619
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 123
Davis 134
Irvine 841
Los Angeles 246
Riverside 45
San Diego 19
San Francisco 18
Santa Barbara 22
Santa Cruz 21
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 27,802
Searchlight 124
Other - UC 194
Other-Network UC 11
_____
29,600
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 2.4
Standard deviation in seconds 43.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 ABI Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 13:15
Average session length (minutes:seconds) 12:33
Longest session recorded (minutes:seconds) 102:04
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 858.2
Retrievals per search - standard deviation 5819.0
Percent of searches completed with 0 results 32.4%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 1,619 17.9%
PRESENT 6,360 70.3%
INIT or CLOSE 1,057 11.7%
OTHER 10 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 322 16.1% 136 42.2% 4 30.7 135.2
TITLE WORD 189 9.5% 74 39.2% 2 141.1 598.3
EXACT TITLE 18 0.9% 9 50.0% 1 1.2 0.7
JOURNAL 72 3.6% 40 55.6% 5 654.0 2813.1
EXACT JOURNAL 311 15.6% 27 8.7% 477 1593.0 4009.7
SUBJECT 94 4.7% 49 52.1% 24 1572.6 3595.4
EXACT SUBJECT 51 2.6% 4 7.8% 14 1991.2 8655.8
KEYWORD 733 36.7% 249 34.0% 31 1219.4 6808.3
PUB TYPE 40 2.0% 7 17.5% 17 4888.6 26384.2
DATE 44 2.2% 18 40.9% 3 46.0 111.8
ADDED 19 1.0% 16 84.2% 9 12.7 9.1
LANGUAGE 6 0.3% 2 33.3% 179 4192.5 8147.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 4 0.2% 1 25.0% 34 33.3 30.0
COMPANY NAME 48 2.4% 11 22.9% 16 139.8 371.2
EX COMPANY NAME 2 0.1% 1 50.0% 1,935 1935.0 0.0
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 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 16 0.8% 6 37.5% 13 233.5 530.7
AT 29 1.5% 7 24.1% 50 1310.5 3492.4
Other indexes 0 0.0% 0 0.0% 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 304 18.8% 110 36.2% 6 339.6 1757.2
Single 1,315 81.2% 415 31.6% 65 1470.6 7708.1
PRESENT commands, by type:
MARC 53.5%
OPAC 19.9%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)