MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 02/23/02 through 03/01/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 126 1,808
2-4 a.m. 90 1,391
4-6 a.m. 46 457
6-8 a.m. 29 991
8-10 a.m. 309 7,290
10-12 a.m. 658 20,960
12-2 p.m. 916 23,710
2-4 p.m. 1,016 26,684
4-6 p.m. 848 22,574
6-8 p.m. 578 19,197
8-10 p.m. 435 10,780
10-12 p.m. 280 5,053
__________ _____________ _________________
Total: 5,331 140,895
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 49
Davis 28
Irvine 7
Los Angeles 23
Riverside 0
San Diego 1
San Francisco 8
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,331
Searchlight 1,762
Other - UC 95
Other-Network UC 24
_____
5,331
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 607
Davis 375
Irvine 21
Los Angeles 253
Riverside 0
San Diego 0
San Francisco 204
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 136,315
Searchlight 2,426
Other - UC 519
Other-Network UC 174
_____
140,895
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 2.5
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
_________________________________________
Median session length (minutes:seconds) 0:07
Average session length (minutes:seconds) 11:42
Longest session recorded (minutes:seconds) 104:22
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 971.6
Retrievals per search - standard deviation 9112.9
Percent of searches completed with 0 results 27.3%
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 5,331 15.0%
PRESENT 26,805 75.4%
INIT or CLOSE 3,400 9.6%
OTHER 18 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 543 8.0% 150 27.6% 5 35.5 118.9
TITLE WORD 433 6.3% 152 35.1% 2 99.2 400.2
EXACT TITLE 49 0.7% 24 49.0% 1 13.2 33.9
JOURNAL 168 2.5% 83 49.4% 12 1482.4 6714.3
EXACT JOURNAL 763 11.2% 109 14.3% 527 2483.9 6412.4
SUBJECT 256 3.8% 148 57.8% 13 1115.0 5943.6
EXACT SUBJECT 113 1.7% 40 35.4% 93 8375.8 28253.3
KEYWORD 3,448 50.5% 950 27.6% 27 1058.2 11724.1
PUB TYPE 41 0.6% 7 17.1% 29 97.4 239.0
DATE 128 1.9% 36 28.1% 14 104.6 245.8
ADDED 69 1.0% 17 24.6% 9 12.4 12.2
LANGUAGE 50 0.7% 20 40.0% 53 611.7 1998.0
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 13 0.2% 8 61.5% 22 54.0 56.9
COMPANY NAME 83 1.2% 24 28.9% 15 438.7 2010.2
EX COMPANY NAME 8 0.1% 3 37.5% 35 45.6 52.5
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 34 0.5% 15 44.1% 31 801.5 2397.1
AT 616 9.0% 115 18.7% 67 1544.7 9324.3
Other indexes 10 0.1% 4 40.0% 20 101.0 216.2
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 1,246 23.4% 345 27.7% 15 903.2 6999.1
Single 4,085 76.6% 1,108 27.1% 34 1466.6 11541.7
PRESENT commands, by type:
MARC 47.9%
OPAC 24.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)