MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 03/09/02 through 03/15/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 153 7,502
2-4 a.m. 203 4,662
4-6 a.m. 63 1,021
6-8 a.m. 60 559
8-10 a.m. 228 6,394
10-12 a.m. 558 12,049
12-2 p.m. 825 16,146
2-4 p.m. 988 20,858
4-6 p.m. 776 15,742
6-8 p.m. 507 11,745
8-10 p.m. 413 9,084
10-12 p.m. 377 7,904
__________ _____________ _________________
Total: 5,151 113,666
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 24
Davis 37
Irvine 1
Los Angeles 20
Riverside 0
San Diego 9
San Francisco 7
Santa Barbara 1
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,879
Searchlight 2,001
Other - UC 152
Other-Network UC 19
_____
5,151
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 126
Davis 84
Irvine 0
Los Angeles 190
Riverside 0
San Diego 76
San Francisco 7
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 108,625
Searchlight 2,176
Other - UC 1,001
Other-Network UC 1,381
_____
113,666
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 1.3
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) 0:04
Average session length (minutes:seconds) 9:53
Longest session recorded (minutes:seconds) 146:16
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 822.1
Retrievals per search - standard deviation 5039.3
Percent of searches completed with 0 results 27.8%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 5,151 16.7%
PRESENT 22,150 71.9%
INIT or CLOSE 3,508 11.4%
OTHER 15 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 500 8.0% 132 26.4% 7 37.0 134.0
TITLE WORD 315 5.0% 99 31.4% 2 58.8 300.5
EXACT TITLE 76 1.2% 33 43.4% 1 28.1 95.6
JOURNAL 203 3.2% 73 36.0% 10 1128.0 4800.9
EXACT JOURNAL 742 11.9% 69 9.3% 629 2409.9 6737.0
SUBJECT 163 2.6% 98 60.1% 23 2789.3 14685.8
EXACT SUBJECT 55 0.9% 19 34.5% 165 2199.2 4176.6
KEYWORD 3,424 54.7% 1,027 30.0% 29 910.9 5764.6
PUB TYPE 19 0.3% 5 26.3% 23 187.9 245.4
DATE 143 2.3% 41 28.7% 9 64.7 223.8
ADDED 68 1.1% 15 22.1% 9 10.4 9.1
LANGUAGE 35 0.6% 15 42.9% 75 549.7 1585.0
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 13 0.2% 8 61.5% 581 1638.6 1866.8
COMPANY NAME 50 0.8% 18 36.0% 35 185.5 291.7
EX COMPANY NAME 19 0.3% 6 31.6% 359 330.7 279.9
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 1 0.0% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 17 0.3% 7 41.2% 114 375.7 874.1
AT 407 6.5% 84 20.6% 35 1820.9 13493.2
Other indexes 8 0.1% 5 62.5% 316 660.3 876.8
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 923 17.9% 245 26.5% 10 915.9 9350.1
Single 4,228 82.1% 1,187 28.1% 46 1188.3 4805.9
PRESENT commands, by type:
MARC 48.5%
OPAC 24.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)