MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/23/00 through 12/29/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 17 334
2-4 a.m. 15 572
4-6 a.m. 5 136
6-8 a.m. 14 22
8-10 a.m. 54 2,307
10-12 a.m. 143 2,162
12-2 p.m. 140 1,718
2-4 p.m. 171 3,708
4-6 p.m. 118 3,769
6-8 p.m. 41 774
8-10 p.m. 24 217
10-12 p.m. 35 327
__________ _____________ _________________
Total: 777 16,046
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 4
Irvine 0
Los Angeles 2
Riverside 0
San Diego 11
San Francisco 4
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 484
Searchlight 259
Other - UC 1
Other-Network UC 8
_____
777
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 29
Davis 3
Irvine 0
Los Angeles 8
Riverside 0
San Diego 365
San Francisco 110
Santa Barbara 0
Santa Cruz 13
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 14,926
Searchlight 426
Other - UC 18
Other-Network UC 148
_____
16,046
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.6
Standard deviation in seconds 1.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:06
Average session length (minutes:seconds) 10:16
Longest session recorded (minutes:seconds) 119:14
Average number of searches completed per session 0.0
Retrievals per search - median 3.0
Retrievals per search - average 715.0
Retrievals per search - standard deviation 7628.8
Percent of searches completed with 0 results 31.7%
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 777 18.1%
PRESENT 3,074 71.6%
INIT or CLOSE 439 10.2%
OTHER 3 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 234 23.1% 58 24.8% 3 15.6 62.1
TITLE WORD 69 6.8% 12 17.4% 4 71.1 210.2
EXACT TITLE 7 0.7% 2 28.6% 3 34.0 54.3
JOURNAL 46 4.5% 18 39.1% 6 1157.4 5781.1
EXACT JOURNAL 74 7.3% 17 23.0% 532 1847.7 4815.5
SUBJECT 38 3.7% 12 31.6% 12 74.0 163.2
EXACT SUBJECT 24 2.4% 5 20.8% 37 96.2 126.8
KEYWORD 387 38.1% 150 38.8% 20 1635.6 13373.9
PUB TYPE 12 1.2% 1 8.3% 19 23.0 15.7
DATE 52 5.1% 10 19.2% 4 75.1 179.9
ADDED 15 1.5% 12 80.0% 17 16.7 0.6
LANGUAGE 10 1.0% 6 60.0% 6 91.0 174.0
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 12 1.2% 6 50.0% 7 67.0 140.2
COMPANY NAME 10 1.0% 2 20.0% 27 221.4 517.6
EX COMPANY NAME 0 0.0% 0 0.0% 0 0.0 0.0
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 2 0.2% 0 0.0% 8,545 8544.5 10893.0
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 6 0.6% 2 33.3% 10 13.5 12.8
AT 16 1.6% 5 31.3% 45 209.8 379.1
Other indexes 1 0.1% 0 0.0% 3,057 3057.0 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 195 25.1% 57 29.2% 8 57.9 158.2
Single 582 74.9% 189 32.5% 17 1393.3 10689.5
PRESENT commands, by type:
MARC 50.8%
OPAC 19.6%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)