MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 03/03/01 through 03/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 248 7,215
2-4 a.m. 167 3,320
4-6 a.m. 34 595
6-8 a.m. 58 1,274
8-10 a.m. 360 9,629
10-12 a.m. 1,154 30,145
12-2 p.m. 1,216 41,706
2-4 p.m. 1,589 56,731
4-6 p.m. 1,442 51,404
6-8 p.m. 980 35,383
8-10 p.m. 768 29,393
10-12 p.m. 491 14,415
__________ _____________ _________________
Total: 8,507 281,210
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 33
Davis 50
Irvine 1
Los Angeles 53
Riverside 1
San Diego 13
San Francisco 9
Santa Barbara 13
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 5,516
Searchlight 2,743
Other - UC 61
Other-Network UC 12
_____
8,507
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 193
Davis 575
Irvine 3
Los Angeles 805
Riverside 85
San Diego 31
San Francisco 108
Santa Barbara 426
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 277,373
Searchlight 692
Other - UC 696
Other-Network UC 223
_____
281,210
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
Standard deviation in seconds 3.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.8
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 12:30
Longest session recorded (minutes:seconds) 263:16
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1158.4
Retrievals per search - standard deviation 12460
Percent of searches completed with 0 results 29.7%
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 8,507 12.7%
PRESENT 53,299 79.8%
INIT or CLOSE 4,939 7.4%
OTHER 50 0.1%
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 794 7.3% 205 25.8% 7 64.9 442.6
TITLE WORD 704 6.4% 234 33.2% 3 336.6 5105.3
EXACT TITLE 78 0.7% 40 51.3% 1 6.3 14.8
JOURNAL 356 3.3% 158 44.4% 9 1374.1 5337.0
EXACT JOURNAL 550 5.0% 84 15.3% 644 4246.9 16120.1
SUBJECT 525 4.8% 308 58.7% 40 899.9 5783.8
EXACT SUBJECT 227 2.1% 66 29.1% 114 3967.8 15381.7
KEYWORD 6,005 55.0% 1,755 29.2% 27 1563.7 16356.5
PUB TYPE 61 0.6% 14 22.9% 42 920.9 5543.4
DATE 174 1.6% 47 27.0% 23 107.5 257.5
ADDED 24 0.2% 13 54.2% 15 18.3 18.6
LANGUAGE 82 0.8% 28 34.1% 34 372.4 1730.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 26 0.2% 6 23.1% 34 440.0 1525.5
COMPANY NAME 77 0.7% 14 18.2% 19 171.4 484.3
EX COMPANY NAME 26 0.2% 6 23.1% 16 868.4 3653.5
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 1 100% 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 100 0.9% 24 24.0% 25 321.6 960.3
AT 1,097 10.0% 263 24.0% 35 1403.0 7938.3
Other indexes 15 0.1% 12 80.0% 30 647.0 1086.0
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 1,970 23.2% 567 28.8% 23 957.0 6819.1
Single 6,537 76.8% 1,961 30.0% 29 1860.1 16527.7
PRESENT commands, by type:
MARC 47.0%
OPAC 26.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)