MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/16/00 through 12/22/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 59 1,179
2-4 a.m. 27 205
4-6 a.m. 9 343
6-8 a.m. 25 519
8-10 a.m. 131 4,260
10-12 a.m. 456 13,813
12-2 p.m. 388 9,809
2-4 p.m. 490 18,899
4-6 p.m. 305 9,689
6-8 p.m. 81 2,948
8-10 p.m. 76 862
10-12 p.m. 57 931
__________ _____________ _________________
Total: 2,104 63,457
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 28
Irvine 22
Los Angeles 11
Riverside 0
San Diego 10
San Francisco 11
Santa Barbara 4
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,320
Searchlight 606
Other - UC 28
Other-Network UC 55
_____
2,104
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3
Davis 880
Irvine 171
Los Angeles 878
Riverside 0
San Diego 0
San Francisco 82
Santa Barbara 63
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 59,760
Searchlight 690
Other - UC 393
Other-Network UC 537
_____
63,457
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 4.4
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) 0:17
Average session length (minutes:seconds) 11:59
Longest session recorded (minutes:seconds) 113:05
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 791.8
Retrievals per search - standard deviation 12377
Percent of searches completed with 0 results 28.8%
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 2,104 13.4%
PRESENT 12,407 78.7%
INIT or CLOSE 1,242 7.9%
OTHER 5 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 493 19.3% 120 24.3% 6 73.0 813.4
TITLE WORD 219 8.6% 54 24.7% 1 40.9 259.6
EXACT TITLE 36 1.4% 12 33.3% 1 2.3 2.6
JOURNAL 136 5.3% 44 32.4% 5 1235.6 5103.0
EXACT JOURNAL 184 7.2% 25 13.6% 670 2105.4 10396.9
SUBJECT 112 4.4% 48 42.9% 35 600.9 2629.9
EXACT SUBJECT 32 1.3% 6 18.8% 31 587.2 1896.8
KEYWORD 1,113 43.6% 361 32.4% 29 1514.2 20009.0
PUB TYPE 20 0.8% 0 0.0% 73 79.0 80.7
DATE 98 3.8% 21 21.4% 12 93.2 219.5
ADDED 19 0.7% 11 57.9% 8 21.5 29.5
LANGUAGE 6 0.2% 3 50.0% 75 58.3 28.9
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 2 0.1% 0 0.0% 38 38.0 52.3
COMPANY NAME 18 0.7% 10 55.6% 2 60.3 116.0
EX COMPANY NAME 2 0.1% 1 50.0% 40 40.0 0.0
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 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 13 0.5% 0 0.0% 266 213.8 190.9
AT 45 1.8% 12 26.7% 25 2516.6 9073.2
Other indexes 4 0.2% 2 50.0% 35 34.5 2.1
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 405 19.2% 111 27.4% 6 350.1 3114.3
Single 1,699 80.8% 495 29.1% 25 1298.1 16273.1
PRESENT commands, by type:
MARC 50.5%
OPAC 21.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)