MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/29/02 through 07/05/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 137 1,289
2-4 a.m. 31 127
4-6 a.m. 22 365
6-8 a.m. 21 264
8-10 a.m. 155 2,043
10-12 a.m. 236 4,457
12-2 p.m. 238 3,876
2-4 p.m. 369 9,715
4-6 p.m. 249 5,886
6-8 p.m. 88 1,154
8-10 p.m. 96 908
10-12 p.m. 46 629
__________ _____________ _________________
Total: 1,688 30,713
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 21
Davis 13
Irvine 1
Los Angeles 15
Riverside 0
San Diego 0
San Francisco 3
Santa Barbara 0
Santa Cruz 9
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 970
Searchlight 613
Other - UC 31
Other-Network UC 12
_____
1,688
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 21
Davis 101
Irvine 8
Los Angeles 51
Riverside 0
San Diego 0
San Francisco 5
Santa Barbara 0
Santa Cruz 105
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 29,755
Searchlight 112
Other - UC 280
Other-Network UC 275
_____
30,713
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 1.4
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) 0:05
Average session length (minutes:seconds) 10:54
Longest session recorded (minutes:seconds) 129:37
Average number of searches completed per session 0.0
Retrievals per search - median 9.0
Retrievals per search - average 1193.0
Retrievals per search - standard deviation 7140.7
Percent of searches completed with 0 results 26.2%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 1,688 19.1%
PRESENT 6,010 68.2%
INIT or CLOSE 1,114 12.6%
OTHER 2 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 221 11.0% 76 34.4% 7 53.6 269.3
TITLE WORD 165 8.2% 53 32.1% 3 86.8 530.3
EXACT TITLE 27 1.3% 13 48.1% 1 56.3 137.4
JOURNAL 78 3.9% 29 37.2% 44 996.5 2346.7
EXACT JOURNAL 304 15.1% 32 10.5% 585 2250.1 5658.4
SUBJECT 52 2.6% 30 57.7% 29 4840.2 19845.0
EXACT SUBJECT 12 0.6% 2 16.7% 4 3623.5 8451.2
KEYWORD 968 48.1% 268 27.7% 29 1717.8 9752.1
PUB TYPE 4 0.2% 0 0.0% 219 686.5 1093.6
DATE 72 3.6% 6 8.3% 26 162.3 421.4
ADDED 19 0.9% 14 73.7% 7 7.4 3.2
LANGUAGE 4 0.2% 1 25.0% 72 264.3 395.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 4 0.2% 1 25.0% 3 6.0 5.2
COMPANY NAME 8 0.4% 3 37.5% 51 220.0 293.3
EX COMPANY NAME 4 0.2% 0 0.0% 75 118.8 135.3
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 12 0.6% 3 25.0% 95 1325.7 3247.9
AT 57 2.8% 7 12.3% 75 6557.4 23676.1
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 285 16.9% 86 30.2% 11 1837.2 12134.8
Single 1,403 83.1% 356 25.4% 43 1574.2 7316.9
PRESENT commands, by type:
MARC 49.0%
OPAC 28.8%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)