MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 06/16/01 through 06/22/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 63 1,092
2-4 a.m. 81 908
4-6 a.m. 7 61
6-8 a.m. 18 473
8-10 a.m. 138 2,574
10-12 a.m. 439 9,707
12-2 p.m. 471 13,500
2-4 p.m. 737 17,347
4-6 p.m. 484 11,865
6-8 p.m. 75 1,262
8-10 p.m. 190 2,140
10-12 p.m. 142 2,017
__________ _____________ _________________
Total: 2,845 62,946
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 21
Davis 3
Irvine 0
Los Angeles 225
Riverside 2
San Diego 8
San Francisco 5
Santa Barbara 12
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 478
Searchlight 681
Other - UC 1,350
Other-Network UC 59
_____
2,845
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 118
Davis 11
Irvine 0
Los Angeles 450
Riverside 0
San Diego 2
San Francisco 2
Santa Barbara 166
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 23,358
Searchlight 3
Other - UC 38,425
Other-Network UC 411
_____
62,946
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 1.8
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) 0:18
Average session length (minutes:seconds) 12:30
Longest session recorded (minutes:seconds) 196:17
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 717.0
Retrievals per search - standard deviation 5124.6
Percent of searches completed with 0 results 27.7%
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 2,845 17.4%
PRESENT 11,862 72.7%
INIT or CLOSE 1,598 9.8%
OTHER 13 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 616 16.7% 144 23.4% 4 41.9 326.3
TITLE WORD 412 11.2% 142 34.5% 1 136.9 1564.7
EXACT TITLE 36 1.0% 14 38.9% 1 1.3 0.9
JOURNAL 130 3.5% 64 49.2% 9 1311.5 4473.6
EXACT JOURNAL 386 10.4% 60 15.5% 511 1929.6 5559.7
SUBJECT 112 3.0% 45 40.2% 28 708.8 2715.1
EXACT SUBJECT 56 1.5% 13 23.2% 34 644.7 2188.2
KEYWORD 1,403 38.0% 429 30.6% 27 1262.8 7929.0
PUB TYPE 15 0.4% 3 20.0% 18 177.7 447.1
DATE 315 8.5% 39 12.4% 5 147.0 1213.5
ADDED 23 0.6% 17 73.9% 10 14.0 15.0
LANGUAGE 14 0.4% 4 28.6% 483 3652.2 7629.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 42 1.1% 4 9.5% 22 61.7 71.7
COMPANY NAME 32 0.9% 12 37.5% 49 148.5 316.9
EX COMPANY NAME 7 0.2% 0 0.0% 100 103.6 101.8
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 22 0.6% 2 9.1% 43 148.8 221.3
AT 72 1.9% 14 19.4% 96 4327.3 13184.9
Other indexes 1 0.0% 0 0.0% 40 40.0 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 733 25.8% 186 25.4% 8 611.6 4661.2
Single 2,112 74.2% 602 28.5% 25 1129.3 6417.9
PRESENT commands, by type:
MARC 46.8%
OPAC 21.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)