MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/22/01 through 12/28/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 56 793
2-4 a.m. 24 230
4-6 a.m. 160 1,386
6-8 a.m. 45 61
8-10 a.m. 55 254
10-12 a.m. 88 1,151
12-2 p.m. 135 3,015
2-4 p.m. 188 2,316
4-6 p.m. 104 2,624
6-8 p.m. 60 832
8-10 p.m. 18 508
10-12 p.m. 43 512
__________ _____________ _________________
Total: 976 13,682
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 16
Davis 7
Irvine 8
Los Angeles 11
Riverside 0
San Diego 139
San Francisco 6
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 195
Other - UC 589
Other-Network UC 3
_____
976
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 925
Davis 20
Irvine 22
Los Angeles 176
Riverside 0
San Diego 26
San Francisco 4
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 12,287
Other-Network UC 220
_____
13,682
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
Standard deviation in seconds 0.9
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) 0:23
Average session length (minutes:seconds) 10:40
Longest session recorded (minutes:seconds) 103:29
Average number of searches completed per session 0.0
Retrievals per search - median 16.0
Retrievals per search - average 1472.9
Retrievals per search - standard deviation 10236
Percent of searches completed with 0 results 23.4%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 976 18.6%
PRESENT 3,569 67.9%
INIT or CLOSE 710 13.5%
OTHER 1 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 143 12.3% 24 16.8% 5 23.0 105.7
TITLE WORD 37 3.2% 14 37.8% 4 19.7 44.8
EXACT TITLE 15 1.3% 6 40.0% 8 82.7 227.1
JOURNAL 33 2.8% 12 36.4% 11 224.6 514.7
EXACT JOURNAL 264 22.8% 25 9.5% 572 1854.6 4455.0
SUBJECT 39 3.4% 20 51.3% 6 96.2 292.5
EXACT SUBJECT 7 0.6% 2 28.6% 11 5868.8 13084.5
KEYWORD 494 42.7% 141 28.5% 23 2705.1 16453.0
PUB TYPE 19 1.6% 0 0.0% 16 52.7 70.6
DATE 34 2.9% 7 20.6% 6 20.7 41.4
ADDED 24 2.1% 19 79.2% 8 21.4 24.5
LANGUAGE 6 0.5% 1 16.7% 11 35.2 38.2
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 0 0.0% 0 0.0% 0 0.0 0.0
COMPANY NAME 6 0.5% 1 16.7% 10 35.4 60.5
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 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 15 1.3% 4 26.7% 218 314.5 247.8
AT 20 1.7% 4 20.0% 3 97.7 205.1
Other indexes 2 0.2% 2 100% 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 150 15.4% 44 29.3% 8 59.4 139.6
Single 826 84.6% 184 22.3% 113 2229.4 12558.1
PRESENT commands, by type:
MARC 62.8%
OPAC 18.6%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)