MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/02 through 06/07/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 132 2,119
2-4 a.m. 195 3,052
4-6 a.m. 30 854
6-8 a.m. 54 1,223
8-10 a.m. 167 3,719
10-12 a.m. 435 12,435
12-2 p.m. 628 18,906
2-4 p.m. 879 20,814
4-6 p.m. 575 9,994
6-8 p.m. 371 7,498
8-10 p.m. 323 11,277
10-12 p.m. 234 9,792
__________ _____________ _________________
Total: 4,023 101,683
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 18
Irvine 2
Los Angeles 72
Riverside 3
San Diego 7
San Francisco 18
Santa Barbara 3
Santa Cruz 16
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 2,509
Searchlight 1,336
Other - UC 19
Other-Network UC 14
_____
4,023
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 116
Davis 12
Irvine 3
Los Angeles 1,019
Riverside 62
San Diego 35
San Francisco 71
Santa Barbara 30
Santa Cruz 228
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 99,826
Searchlight 55
Other - UC 190
Other-Network UC 36
_____
101,683
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 2.7
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
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Median session length (minutes:seconds) 0:07
Average session length (minutes:seconds) 11:46
Longest session recorded (minutes:seconds) 139:15
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1315.4
Retrievals per search - standard deviation 12142
Percent of searches completed with 0 results 28.1%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,023 15.5%
PRESENT 19,278 74.4%
INIT or CLOSE 2,590 10.0%
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 450 8.9% 119 26.4% 7 81.5 339.3
TITLE WORD 299 5.9% 140 46.8% 4 100.1 428.4
EXACT TITLE 48 1.0% 20 41.7% 1 5.1 16.8
JOURNAL 149 3.0% 72 48.3% 57 6508.7 14137.7
EXACT JOURNAL 551 10.9% 67 12.2% 695 2811.3 6827.4
SUBJECT 170 3.4% 109 64.1% 26 25851.0 76231.3
EXACT SUBJECT 76 1.5% 20 26.3% 22 1733.6 6434.6
KEYWORD 2,515 50.0% 712 28.3% 27 952.0 9467.4
PUB TYPE 42 0.8% 13 30.9% 39 94.1 151.8
DATE 93 1.8% 29 31.2% 15 63.5 122.0
ADDED 32 0.6% 30 93.8% 8 8.0 9.9
LANGUAGE 48 1.0% 13 27.1% 13 568.1 1137.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 17 0.3% 4 23.5% 58 89.0 114.1
COMPANY NAME 69 1.4% 28 40.6% 37 191.8 501.9
EX COMPANY NAME 4 0.1% 2 50.0% 15 15.0 17.0
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 40 0.8% 11 27.5% 26 1421.7 7105.6
AT 427 8.5% 98 22.9% 47 4362.5 29995.4
Other indexes 4 0.1% 4 100% 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 789 19.6% 268 34.0% 23 2866.6 23963.3
Single 3,234 80.4% 862 26.7% 40 1601.4 11076.6
PRESENT commands, by type:
MARC 46.9%
OPAC 29.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)