MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 03/10/01 through 03/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 224 4,030
2-4 a.m. 164 4,067
4-6 a.m. 31 546
6-8 a.m. 50 932
8-10 a.m. 351 9,339
10-12 a.m. 881 29,651
12-2 p.m. 1,105 28,826
2-4 p.m. 1,559 40,873
4-6 p.m. 1,043 29,224
6-8 p.m. 698 19,713
8-10 p.m. 523 16,969
10-12 p.m. 465 13,274
__________ _____________ _________________
Total: 7,094 197,444
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 17
Davis 45
Irvine 1
Los Angeles 29
Riverside 3
San Diego 40
San Francisco 4
Santa Barbara 10
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,737
Searchlight 2,150
Other - UC 47
Other-Network UC 11
_____
7,094
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 264
Davis 348
Irvine 0
Los Angeles 47
Riverside 1
San Diego 159
San Francisco 0
Santa Barbara 33
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 195,507
Searchlight 252
Other - UC 704
Other-Network UC 129
_____
197,444
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 3.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 12:15
Longest session recorded (minutes:seconds) 142:33
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 783.3
Retrievals per search - standard deviation 5495.4
Percent of searches completed with 0 results 28.7%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 7,094 14.7%
PRESENT 36,992 76.9%
INIT or CLOSE 4,017 8.3%
OTHER 17 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 909 10.1% 247 27.2% 5 31.4 136.0
TITLE WORD 711 7.9% 226 31.8% 3 70.0 307.7
EXACT TITLE 92 1.0% 37 40.2% 1 13.2 69.2
JOURNAL 348 3.9% 153 44.0% 14 1332.4 5182.9
EXACT JOURNAL 568 6.3% 121 21.3% 542 3129.0 11835.3
SUBJECT 366 4.1% 230 62.8% 18 613.7 3808.2
EXACT SUBJECT 210 2.3% 79 37.6% 166 6809.1 19298.9
KEYWORD 4,521 50.1% 1,231 27.2% 27 871.1 5138.9
PUB TYPE 64 0.7% 22 34.4% 32 74.7 141.2
DATE 199 2.2% 50 25.1% 27 145.9 336.6
ADDED 48 0.5% 23 47.9% 11 13.6 11.5
LANGUAGE 38 0.4% 14 36.8% 29 524.0 1656.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 34 0.4% 24 70.6% 43 71.6 92.2
COMPANY NAME 78 0.9% 24 30.8% 34 461.3 2252.2
EX COMPANY NAME 25 0.3% 7 28.0% 14 61.4 112.6
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 1 0.0% 0 0.0% 1 1.0 0.0
ISSN 2 0.0% 0 0.0% 89 89.0 124.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 56 0.6% 19 33.9% 34 372.4 1049.9
AT 742 8.2% 171 23.0% 44 940.9 3634.6
Other indexes 15 0.2% 13 86.7% 791 791.0 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 1,643 23.2% 513 31.2% 16 527.2 2637.7
Single 5,451 76.8% 1,523 27.9% 27 1263.0 7209.7
PRESENT commands, by type:
MARC 46.4%
OPAC 24.6%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)