MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 10/27/01 through 11/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 118 1,343
2-4 a.m. 47 483
4-6 a.m. 44 1,361
6-8 a.m. 47 963
8-10 a.m. 323 9,331
10-12 a.m. 698 17,412
12-2 p.m. 998 24,757
2-4 p.m. 951 20,214
4-6 p.m. 734 20,424
6-8 p.m. 547 14,482
8-10 p.m. 401 4,764
10-12 p.m. 332 6,088
__________ _____________ _________________
Total: 5,240 121,622
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 50
Davis 18
Irvine 15
Los Angeles 39
Riverside 6
San Diego 6
San Francisco 26
Santa Barbara 12
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 1,840
Other - UC 3,203
Other-Network UC 23
_____
5,240
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 668
Davis 283
Irvine 96
Los Angeles 176
Riverside 0
San Diego 23
San Francisco 209
Santa Barbara 5
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 119,579
Other-Network UC 583
_____
121,622
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 3.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:10
Average session length (minutes:seconds) 10:49
Longest session recorded (minutes:seconds) 190:32
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1385.1
Retrievals per search - standard deviation 12268
Percent of searches completed with 0 results 29.3%
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 5,240 16.1%
PRESENT 23,905 73.6%
INIT or CLOSE 3,316 10.2%
OTHER 17 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 597 8.9% 156 26.1% 7 54.9 366.3
TITLE WORD 446 6.7% 175 39.2% 3 127.4 642.0
EXACT TITLE 55 0.8% 27 49.1% 1 8.5 28.0
JOURNAL 320 4.8% 134 41.9% 9 941.5 6295.5
EXACT JOURNAL 588 8.8% 77 13.1% 588 2598.7 6843.7
SUBJECT 262 3.9% 138 52.7% 26 1263.5 4262.9
EXACT SUBJECT 79 1.2% 23 29.1% 117 5176.3 15213.9
KEYWORD 3,410 50.9% 1,003 29.4% 26 2185.0 17482.1
PUB TYPE 42 0.6% 5 11.9% 52 793.2 2467.8
DATE 186 2.8% 45 24.2% 13 449.4 2200.7
ADDED 48 0.7% 24 50.0% 10 15.6 16.1
LANGUAGE 65 1.0% 12 18.5% 8 112.5 249.4
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 24 0.4% 5 20.8% 24 37.3 72.5
COMPANY NAME 45 0.7% 19 42.2% 29 255.5 741.1
EX COMPANY NAME 6 0.1% 3 50.0% 99 174.3 195.2
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 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 45 0.7% 11 24.4% 9 337.7 785.6
AT 473 7.1% 70 14.8% 57 6813.6 39475.6
Other indexes 6 0.1% 6 100% 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 1,106 21.1% 297 26.9% 18 3468.7 28049.5
Single 4,134 78.9% 1,238 29.9% 37 1537.1 7106.5
PRESENT commands, by type:
MARC 49.4%
OPAC 24.2%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)