MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 07/21/01 through 07/27/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 90 2,321
2-4 a.m. 13 470
4-6 a.m. 2 77
6-8 a.m. 37 747
8-10 a.m. 239 4,215
10-12 a.m. 627 14,408
12-2 p.m. 536 19,672
2-4 p.m. 792 22,669
4-6 p.m. 553 15,998
6-8 p.m. 215 6,780
8-10 p.m. 174 1,516
10-12 p.m. 158 3,536
__________ _____________ _________________
Total: 3,436 92,409
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 9
Davis 8
Irvine 6
Los Angeles 45
Riverside 3
San Diego 4
San Francisco 18
Santa Barbara 17
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 64
Searchlight 890
Other - UC 2,348
Other-Network UC 21
_____
3,436
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 41
Davis 118
Irvine 158
Los Angeles 195
Riverside 2
San Diego 32
San Francisco 193
Santa Barbara 34
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 91,489
Other-Network UC 147
_____
92,409
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
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 0.4
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:14
Average session length (minutes:seconds) 12:48
Longest session recorded (minutes:seconds) 148:24
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1246.2
Retrievals per search - standard deviation 7350.0
Percent of searches completed with 0 results 28.1%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,436 14.7%
PRESENT 18,117 77.2%
INIT or CLOSE 1,893 8.1%
OTHER 7 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 583 13.2% 156 26.8% 4 59.8 600.4
TITLE WORD 352 8.0% 108 30.7% 4 101.4 430.9
EXACT TITLE 34 0.8% 10 29.4% 1 3.2 5.5
JOURNAL 248 5.6% 96 38.7% 5 934.0 5043.5
EXACT JOURNAL 291 6.6% 53 18.2% 480 1728.4 5038.2
SUBJECT 227 5.1% 107 47.1% 43 550.5 2552.7
EXACT SUBJECT 95 2.1% 19 20.0% 25 2737.6 17050.5
KEYWORD 2,022 45.7% 568 28.1% 40 2340.6 10118.8
PUB TYPE 40 0.9% 2 5.0% 26 119.6 290.2
DATE 142 3.2% 39 27.5% 9 80.1 194.3
ADDED 24 0.5% 22 91.7% 37 36.5 36.1
LANGUAGE 40 0.9% 7 17.5% 61 741.9 2292.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 26 0.6% 11 42.3% 9 670.3 2330.5
COMPANY NAME 38 0.9% 13 34.2% 11 43.8 62.3
EX COMPANY NAME 3 0.1% 0 0.0% 23 18.7 10.2
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 1 0.0% 0 0.0% 1 1.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 43 1.0% 1 2.3% 17 62.8 95.0
AT 208 4.7% 53 25.5% 30 2113.9 6992.0
Other indexes 4 0.1% 4 100% 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 809 23.5% 257 31.8% 7 675.5 3850.5
Single 2,627 76.5% 709 27.0% 41 2038.1 9541.3
PRESENT commands, by type:
MARC 48.1%
OPAC 23.2%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)