MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 01/06/01 through 01/12/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 54 787
2-4 a.m. 7 256
4-6 a.m. 16 532
6-8 a.m. 14 162
8-10 a.m. 266 5,535
10-12 a.m. 695 18,703
12-2 p.m. 578 15,704
2-4 p.m. 884 22,938
4-6 p.m. 423 8,537
6-8 p.m. 179 4,122
8-10 p.m. 204 2,850
10-12 p.m. 106 4,502
__________ _____________ _________________
Total: 3,426 84,628
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 9
Irvine 18
Los Angeles 10
Riverside 0
San Diego 24
San Francisco 9
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,215
Searchlight 1,044
Other - UC 50
Other-Network UC 36
_____
3,426
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 96
Davis 34
Irvine 32
Los Angeles 23
Riverside 0
San Diego 0
San Francisco 1
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 83,273
Searchlight 64
Other - UC 638
Other-Network UC 461
_____
84,628
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 2.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:10
Average session length (minutes:seconds) 11:44
Longest session recorded (minutes:seconds) 126:23
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1352.0
Retrievals per search - standard deviation 9762.3
Percent of searches completed with 0 results 29.3%
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 3,426 16.3%
PRESENT 15,609 74.3%
INIT or CLOSE 1,955 9.3%
OTHER 17 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 526 12.5% 168 31.9% 5 63.7 612.0
TITLE WORD 380 9.0% 145 38.2% 3 78.9 292.7
EXACT TITLE 41 1.0% 19 46.3% 2 4.2 4.8
JOURNAL 177 4.2% 79 44.6% 8 816.4 4062.2
EXACT JOURNAL 322 7.6% 57 17.7% 798 6433.7 22894.1
SUBJECT 199 4.7% 83 41.7% 22 1272.8 4508.9
EXACT SUBJECT 83 2.0% 28 33.7% 171 4633.8 11179.5
KEYWORD 2,018 47.8% 587 29.1% 47 1662.7 10807.0
PUB TYPE 29 0.7% 3 10.3% 23 84.2 130.8
DATE 101 2.4% 23 22.8% 20 241.9 587.1
ADDED 27 0.6% 14 51.9% 4 4.3 3.5
LANGUAGE 17 0.4% 3 17.6% 41 1871.4 3660.5
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 4 0.1% 0 0.0% 35 1043.3 2039.4
COMPANY NAME 110 2.6% 25 22.7% 59 643.3 2070.3
EX COMPANY NAME 3 0.1% 3 100% 0 0.0 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 3 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 45 1.1% 7 15.6% 90 1684.9 7711.5
AT 136 3.2% 41 30.1% 109 4184.3 18899.1
Other indexes 3 0.1% 3 100% 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 669 19.5% 236 35.3% 12 1170.2 9297.7
Single 2,757 80.5% 767 27.8% 44 2073.0 11995.2
PRESENT commands, by type:
MARC 48.4%
OPAC 15.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)