MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 02/24/01 through 03/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 193 7,921
2-4 a.m. 42 1,311
4-6 a.m. 8 19
6-8 a.m. 65 1,138
8-10 a.m. 376 10,606
10-12 a.m. 1,057 30,678
12-2 p.m. 1,305 38,679
2-4 p.m. 1,599 49,680
4-6 p.m. 1,240 36,519
6-8 p.m. 881 27,357
8-10 p.m. 529 16,010
10-12 p.m. 406 13,554
__________ _____________ _________________
Total: 7,701 233,472
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 19
Irvine 9
Los Angeles 48
Riverside 12
San Diego 47
San Francisco 0
Santa Barbara 31
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 5,089
Searchlight 2,325
Other - UC 76
Other-Network UC 34
_____
7,701
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4
Davis 260
Irvine 122
Los Angeles 151
Riverside 17
San Diego 77
San Francisco 0
Santa Barbara 448
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 228,506
Searchlight 807
Other - UC 1,762
Other-Network UC 1,318
_____
233,472
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 2.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:12
Average session length (minutes:seconds) 12:33
Longest session recorded (minutes:seconds) 143:48
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 1038.9
Retrievals per search - standard deviation 7808.4
Percent of searches completed with 0 results 29.9%
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 7,701 13.2%
PRESENT 46,262 79.4%
INIT or CLOSE 4,281 7.3%
OTHER 22 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 878 8.6% 244 27.8% 6 95.7 819.6
TITLE WORD 568 5.6% 167 29.4% 3 153.8 837.8
EXACT TITLE 126 1.2% 67 53.2% 1 5.1 16.2
JOURNAL 390 3.8% 162 41.5% 12 1438.5 10384.2
EXACT JOURNAL 575 5.6% 140 24.3% 511 6280.7 22048.9
SUBJECT 658 6.4% 343 52.1% 26 842.4 3697.9
EXACT SUBJECT 238 2.3% 70 29.4% 60 3254.3 9742.8
KEYWORD 5,040 49.4% 1,432 28.4% 27 1156.1 7810.2
PUB TYPE 84 0.8% 20 23.8% 23 180.0 372.0
DATE 222 2.2% 68 30.6% 21 194.2 644.6
ADDED 25 0.2% 16 64.0% 6 20.7 22.3
LANGUAGE 87 0.9% 42 48.3% 22 1770.7 8812.8
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 47 0.5% 14 29.8% 86 157.0 177.8
COMPANY NAME 204 2.0% 72 35.3% 19 144.4 342.5
EX COMPANY NAME 16 0.2% 6 37.5% 9 142.4 208.2
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 3 0.0% 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 94 0.9% 18 19.1% 24 167.6 327.7
AT 921 9.0% 235 25.5% 35 1431.0 5281.4
Other indexes 26 0.3% 14 53.8% 23 168.6 271.8
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 1,951 25.3% 603 30.9% 18 943.6 5841.0
Single 5,750 74.7% 1,697 29.5% 29 1660.2 10174.4
PRESENT commands, by type:
MARC 47.9%
OPAC 24.5%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)