MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 11/25/00 through 12/01/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 204 7,058
2-4 a.m. 71 2,528
4-6 a.m. 20 171
6-8 a.m. 49 310
8-10 a.m. 396 11,683
10-12 a.m. 844 27,837
12-2 p.m. 1,102 35,837
2-4 p.m. 1,495 65,817
4-6 p.m. 1,142 48,100
6-8 p.m. 824 24,807
8-10 p.m. 671 25,388
10-12 p.m. 498 15,422
__________ _____________ _________________
Total: 7,316 264,958
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 36
Irvine 15
Los Angeles 9
Riverside 0
San Diego 14
San Francisco 4
Santa Barbara 5
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,820
Searchlight 2,287
Other - UC 108
Other-Network UC 16
_____
7,316
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 540
Davis 399
Irvine 149
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 5
Santa Barbara 13
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 260,870
Searchlight 1,004
Other - UC 1,839
Other-Network UC 139
_____
264,958
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 2.1
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
_________________________________________
Median session length (minutes:seconds) 0:12
Average session length (minutes:seconds) 13:05
Longest session recorded (minutes:seconds) 178:14
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1094.9
Retrievals per search - standard deviation 7700.4
Percent of searches completed with 0 results 26.5%
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 7,316 12.0%
PRESENT 49,381 81.0%
INIT or CLOSE 4,246 7.0%
OTHER 43 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 712 7.5% 185 26.0% 7 69.1 404.5
TITLE WORD 530 5.6% 175 33.0% 6 101.8 440.9
EXACT TITLE 66 0.7% 40 60.6% 1 4.4 7.6
JOURNAL 322 3.4% 120 37.3% 16 2901.2 9196.5
EXACT JOURNAL 510 5.4% 90 17.6% 504 3779.3 11329.7
SUBJECT 546 5.7% 301 55.1% 34 2609.0 16062.9
EXACT SUBJECT 249 2.6% 59 23.7% 58 5108.2 15976.4
KEYWORD 4,897 51.5% 1,191 24.3% 24 1075.9 7684.2
PUB TYPE 97 1.0% 28 28.9% 36 2476.8 17687.3
DATE 237 2.5% 51 21.5% 24 182.6 542.9
ADDED 127 1.3% 15 11.8% 6 16.4 41.3
LANGUAGE 125 1.3% 22 17.6% 29 622.3 2506.0
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 34 0.4% 14 41.2% 27 174.6 307.7
COMPANY NAME 159 1.7% 52 32.7% 30 150.6 315.1
EX COMPANY NAME 38 0.4% 14 36.8% 36 496.4 1144.4
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 4 0.0% 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 88 0.9% 20 22.7% 70 2477.3 8821.1
AT 747 7.9% 129 17.3% 47 1404.2 7653.5
Other indexes 21 0.2% 11 52.4% 50 3977.6 12339.8
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 1,722 23.5% 417 24.2% 20 854.6 5520.4
Single 5,594 76.5% 1,520 27.2% 28 1692.5 9787.4
PRESENT commands, by type:
MARC 46.6%
OPAC 25.1%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)