MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 11/03/01 through 11/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 140 4,647
2-4 a.m. 67 1,674
4-6 a.m. 101 1,069
6-8 a.m. 130 1,788
8-10 a.m. 335 9,505
10-12 a.m. 745 18,282
12-2 p.m. 1,039 16,791
2-4 p.m. 1,101 31,445
4-6 p.m. 925 33,186
6-8 p.m. 551 14,238
8-10 p.m. 425 9,021
10-12 p.m. 314 10,244
__________ _____________ _________________
Total: 5,873 151,890
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 95
Davis 7
Irvine 34
Los Angeles 34
Riverside 0
San Diego 15
San Francisco 3
Santa Barbara 2
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,997
Other - UC 3,666
Other-Network UC 20
_____
5,873
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,802
Davis 49
Irvine 363
Los Angeles 375
Riverside 0
San Diego 207
San Francisco 2
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 148,894
Other-Network UC 197
_____
151,890
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 3.6
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
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Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 11:11
Longest session recorded (minutes:seconds) 121:09
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1477.8
Retrievals per search - standard deviation 12680
Percent of searches completed with 0 results 28.5%
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 5,873 14.9%
PRESENT 29,795 75.8%
INIT or CLOSE 3,621 9.2%
OTHER 27 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 626 8.5% 167 26.7% 7 51.1 306.9
TITLE WORD 593 8.0% 198 33.4% 3 210.7 2288.0
EXACT TITLE 72 1.0% 38 52.8% 1 4.4 17.6
JOURNAL 202 2.7% 88 43.6% 7 3609.0 10500.9
EXACT JOURNAL 761 10.3% 83 10.9% 692 2546.5 6675.3
SUBJECT 269 3.6% 147 54.6% 36 2787.4 11803.4
EXACT SUBJECT 105 1.4% 30 28.6% 35 9025.7 29845.1
KEYWORD 3,663 49.5% 1,089 29.7% 35 2096.1 17658.7
PUB TYPE 26 0.4% 5 19.2% 21 3044.1 13420.5
DATE 240 3.2% 60 25.0% 29 494.6 3412.3
ADDED 74 1.0% 31 41.9% 17 34.1 39.0
LANGUAGE 66 0.9% 22 33.3% 50 625.8 1680.8
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 17 0.2% 6 35.3% 53 134.3 195.9
COMPANY NAME 41 0.6% 11 26.8% 36 195.1 410.8
EX COMPANY NAME 15 0.2% 10 66.7% 70 282.8 455.1
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 1 100% 0 0.0 0.0
ID NUMBER 8 0.1% 0 0.0% 1 1.0 0.0
ISSN 4 0.1% 1 25.0% 19 355.3 582.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 75 1.0% 22 29.3% 59 348.3 808.4
AT 527 7.1% 88 16.7% 166 6407.1 32883.5
Other indexes 9 0.1% 7 77.8% 13 13.0 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 1,179 20.1% 313 26.5% 37 3401.9 23672.2
Single 4,694 79.9% 1,363 29.0% 35 1721.1 11655.5
PRESENT commands, by type:
MARC 49.4%
OPAC 25.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)