MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 01/27/01 through 02/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 113 4,672
2-4 a.m. 54 995
4-6 a.m. 17 664
6-8 a.m. 40 1,852
8-10 a.m. 313 6,368
10-12 a.m. 777 26,910
12-2 p.m. 1,250 38,561
2-4 p.m. 1,311 48,000
4-6 p.m. 897 26,764
6-8 p.m. 538 14,457
8-10 p.m. 346 6,836
10-12 p.m. 294 9,106
__________ _____________ _________________
Total: 5,950 185,185
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 27
Davis 20
Irvine 6
Los Angeles 6
Riverside 0
San Diego 28
San Francisco 9
Santa Barbara 7
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,788
Searchlight 1,980
Other - UC 37
Other-Network UC 41
_____
5,950
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 135
Davis 146
Irvine 6
Los Angeles 31
Riverside 0
San Diego 66
San Francisco 24
Santa Barbara 205
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 180,866
Searchlight 1,038
Other - UC 423
Other-Network UC 2,245
_____
185,185
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 2.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 ABI Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 12:00
Longest session recorded (minutes:seconds) 249:57
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1121.6
Retrievals per search - standard deviation 9144.6
Percent of searches completed with 0 results 28.3%
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 5,950 13.3%
PRESENT 35,255 78.7%
INIT or CLOSE 3,534 7.9%
OTHER 58 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 625 8.5% 167 26.7% 9 60.2 294.5
TITLE WORD 598 8.1% 220 36.8% 6 68.9 226.5
EXACT TITLE 43 0.6% 24 55.8% 1 1.2 0.7
JOURNAL 336 4.5% 129 38.4% 101 919.1 2209.6
EXACT JOURNAL 495 6.7% 82 16.6% 539 3894.8 12210.0
SUBJECT 375 5.1% 207 55.2% 21 683.3 3796.9
EXACT SUBJECT 228 3.1% 41 18.0% 69 5152.1 17496.0
KEYWORD 3,792 51.3% 1,059 27.9% 35 1372.3 11582.0
PUB TYPE 60 0.8% 14 23.3% 36 354.0 1060.3
DATE 203 2.7% 45 22.2% 32 168.5 355.8
ADDED 21 0.3% 12 57.1% 18 24.9 22.5
LANGUAGE 64 0.9% 16 25.0% 27 290.6 634.1
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 30 0.4% 10 33.3% 19 65.3 110.0
COMPANY NAME 49 0.7% 14 28.6% 53 308.7 880.5
EX COMPANY NAME 3 0.0% 2 66.7% 1,997 1997.0 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 83 1.1% 24 28.9% 50 125.7 160.8
AT 373 5.1% 64 17.2% 47 1164.5 5114.1
Other indexes 7 0.1% 3 42.9% 15 20.0 23.7
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 1,186 19.9% 356 30.0% 22 507.5 3174.1
Single 4,764 80.1% 1,328 27.9% 40 1819.6 11882.8
PRESENT commands, by type:
MARC 47.5%
OPAC 21.9%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)