MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 04/07/01 through 04/13/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 59 1,053
2-4 a.m. 104 1,708
4-6 a.m. 20 303
6-8 a.m. 32 986
8-10 a.m. 263 4,432
10-12 a.m. 639 14,561
12-2 p.m. 892 22,580
2-4 p.m. 931 26,332
4-6 p.m. 787 26,557
6-8 p.m. 360 10,978
8-10 p.m. 302 5,169
10-12 p.m. 209 6,672
__________ _____________ _________________
Total: 4,598 121,331
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 12
Davis 25
Irvine 6
Los Angeles 15
Riverside 0
San Diego 25
San Francisco 2
Santa Barbara 2
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,764
Searchlight 1,646
Other - UC 87
Other-Network UC 13
_____
4,598
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 184
Davis 1,114
Irvine 531
Los Angeles 237
Riverside 0
San Diego 60
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 117,604
Searchlight 523
Other - UC 937
Other-Network UC 141
_____
121,331
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 2.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:10
Average session length (minutes:seconds) 11:19
Longest session recorded (minutes:seconds) 152:15
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 1091.1
Retrievals per search - standard deviation 10482
Percent of searches completed with 0 results 29.6%
Percent of searches entered that are long 0.5%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,598 14.8%
PRESENT 23,407 75.6%
INIT or CLOSE 2,967 9.6%
OTHER 8 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 641 11.4% 148 23.1% 5 33.1 175.5
TITLE WORD 484 8.6% 144 29.8% 5 99.9 382.6
EXACT TITLE 72 1.3% 33 45.8% 1 1.6 1.4
JOURNAL 229 4.1% 101 44.1% 9 1473.9 8347.5
EXACT JOURNAL 445 7.9% 56 12.6% 549 2069.6 5758.4
SUBJECT 211 3.7% 100 47.4% 19 1245.7 9411.8
EXACT SUBJECT 88 1.6% 27 30.7% 20 1020.1 3372.9
KEYWORD 2,837 50.3% 879 31.0% 30 1856.6 15121.0
PUB TYPE 54 1.0% 6 11.1% 22 3313.2 21360.3
DATE 136 2.4% 30 22.1% 12 106.7 393.3
ADDED 15 0.3% 10 66.7% 13 21.2 23.8
LANGUAGE 31 0.6% 9 29.0% 31 720.0 3167.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 21 0.4% 5 23.8% 12 26.5 39.6
COMPANY NAME 76 1.3% 28 36.8% 16 89.8 206.9
EX COMPANY NAME 8 0.1% 3 37.5% 21 39.4 40.0
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 2 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 11 0.2% 4 36.4% 10 25.6 34.4
AT 271 4.8% 76 28.0% 35 3636.0 17216.1
Other indexes 3 0.1% 3 100% 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 835 18.2% 237 28.4% 11 1264.2 9973.0
Single 3,763 81.8% 1,124 29.9% 31 1614.7 12963.7
PRESENT commands, by type:
MARC 47.0%
OPAC 23.1%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)