MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 09/08/01 through 09/14/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 45 2,097
2-4 a.m. 9 119
4-6 a.m. 3 0
6-8 a.m. 8 24
8-10 a.m. 81 2,624
10-12 a.m. 404 10,579
12-2 p.m. 377 7,387
2-4 p.m. 429 12,347
4-6 p.m. 437 11,765
6-8 p.m. 195 4,466
8-10 p.m. 187 10,510
10-12 p.m. 131 4,416
__________ _____________ _________________
Total: 2,306 66,334
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 18
Irvine 4
Los Angeles 32
Riverside 0
San Diego 15
San Francisco 4
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 0
Searchlight 506
Other - UC 1,671
Other-Network UC 39
_____
2,306
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 19
Davis 190
Irvine 459
Los Angeles 15
Riverside 0
San Diego 190
San Francisco 114
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 63,221
Other-Network UC 2,124
_____
66,334
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 3.2
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) 20:01
Average session length (minutes:seconds) 13:46
Longest session recorded (minutes:seconds) 112:17
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1132.7
Retrievals per search - standard deviation 6817.2
Percent of searches completed with 0 results 25.5%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,306 12.5%
PRESENT 14,814 80.5%
INIT or CLOSE 1,278 6.9%
OTHER 9 0.0%
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 433 14.8% 115 26.6% 6 24.1 87.0
TITLE WORD 324 11.1% 103 31.8% 2 113.3 439.4
EXACT TITLE 33 1.1% 19 57.6% 1 1.6 1.5
JOURNAL 138 4.7% 59 42.8% 10 1868.2 6687.5
EXACT JOURNAL 309 10.6% 51 16.5% 649 2964.9 7164.1
SUBJECT 172 5.9% 80 46.5% 72 2561.1 10800.9
EXACT SUBJECT 80 2.7% 17 21.2% 64 2353.8 12002.8
KEYWORD 1,048 35.9% 252 24.0% 31 1591.7 9267.6
PUB TYPE 45 1.5% 7 15.6% 25 176.5 437.0
DATE 89 3.1% 29 32.6% 13 178.9 450.5
ADDED 24 0.8% 18 75.0% 11 23.2 25.7
LANGUAGE 28 1.0% 10 35.7% 8 277.2 645.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 25 0.9% 6 24.0% 13 267.9 629.1
COMPANY NAME 57 2.0% 10 17.5% 25 576.1 1074.5
EX COMPANY NAME 1 0.0% 0 0.0% 43 43.0 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 2 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 9 0.3% 2 22.2% 64 491.4 916.8
AT 100 3.4% 23 23.0% 30 2993.0 10039.0
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 481 20.9% 168 34.9% 9 827.0 5130.5
Single 1,825 79.1% 421 23.1% 35 1676.0 8345.4
PRESENT commands, by type:
MARC 56.1%
OPAC 14.9%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)