MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 03/02/02 through 03/08/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 144 3,884
2-4 a.m. 141 2,974
4-6 a.m. 100 1,672
6-8 a.m. 86 1,711
8-10 a.m. 447 9,571
10-12 a.m. 785 18,968
12-2 p.m. 1,169 27,241
2-4 p.m. 1,319 29,426
4-6 p.m. 999 26,104
6-8 p.m. 555 13,450
8-10 p.m. 389 14,432
10-12 p.m. 310 7,073
__________ _____________ _________________
Total: 6,444 156,506
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 25
Davis 29
Irvine 3
Los Angeles 18
Riverside 0
San Diego 7
San Francisco 4
Santa Barbara 5
Santa Cruz 3
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,885
Searchlight 2,157
Other - UC 281
Other-Network UC 27
_____
6,444
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 131
Davis 74
Irvine 0
Los Angeles 749
Riverside 0
San Diego 192
San Francisco 85
Santa Barbara 26
Santa Cruz 22
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 152,865
Searchlight 1,532
Other - UC 579
Other-Network UC 251
_____
156,506
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 3.1
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) 0:04
Average session length (minutes:seconds) 10:40
Longest session recorded (minutes:seconds) 150:56
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1457.9
Retrievals per search - standard deviation 12197
Percent of searches completed with 0 results 28.5%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 6,444 16.3%
PRESENT 29,044 73.4%
INIT or CLOSE 4,064 10.3%
OTHER 29 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 549 6.4% 187 34.1% 6 57.3 232.5
TITLE WORD 436 5.1% 158 36.2% 4 131.4 918.6
EXACT TITLE 64 0.7% 41 64.1% 1 6.6 18.0
JOURNAL 195 2.3% 109 55.9% 12 1059.8 3475.9
EXACT JOURNAL 710 8.3% 114 16.1% 386 2923.1 8100.9
SUBJECT 367 4.3% 215 58.6% 11 1819.6 18204.1
EXACT SUBJECT 110 1.3% 36 32.7% 165 7697.8 27913.5
KEYWORD 4,535 52.8% 1,222 26.9% 38 2076.5 16024.2
PUB TYPE 72 0.8% 21 29.2% 11 167.6 401.0
DATE 215 2.5% 93 43.3% 6 68.3 220.0
ADDED 72 0.8% 18 25.0% 9 9.1 3.2
LANGUAGE 80 0.9% 31 38.7% 99 438.4 935.6
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 59 0.7% 24 40.7% 27 534.6 2061.0
COMPANY NAME 109 1.3% 53 48.6% 14 687.0 3138.8
EX COMPANY NAME 35 0.4% 13 37.1% 18 71.4 114.7
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 2 0.0% 2 100% 0 0.0 0.0
ID NUMBER 3 0.0% 0 0.0% 1 1.0 0.0
ISSN 4 0.0% 2 50.0% 1 1.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 84 1.0% 49 58.3% 133 545.7 1787.1
AT 866 10.1% 224 25.9% 45 810.0 3979.3
Other indexes 15 0.2% 12 80.0% 1 37.0 62.4
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 1,554 24.1% 504 32.4% 18 780.8 7605.1
Single 4,890 75.9% 1,333 27.3% 46 2410.8 15821.8
PRESENT commands, by type:
MARC 47.8%
OPAC 26.2%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)