MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 03/23/02 through 03/29/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 52 1,408
2-4 a.m. 195 2,145
4-6 a.m. 5 12
6-8 a.m. 16 353
8-10 a.m. 158 4,918
10-12 a.m. 360 7,483
12-2 p.m. 337 7,016
2-4 p.m. 474 7,859
4-6 p.m. 333 6,431
6-8 p.m. 76 420
8-10 p.m. 132 2,604
10-12 p.m. 79 947
__________ _____________ _________________
Total: 2,217 41,596
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 18
Davis 30
Irvine 6
Los Angeles 31
Riverside 0
San Diego 39
San Francisco 2
Santa Barbara 1
Santa Cruz 3
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,329
Searchlight 654
Other - UC 37
Other-Network UC 67
_____
2,217
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 103
Davis 209
Irvine 0
Los Angeles 691
Riverside 0
San Diego 276
San Francisco 5
Santa Barbara 0
Santa Cruz 4
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 37,023
Searchlight 1,401
Other - UC 149
Other-Network UC 1,735
_____
41,596
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 3.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:39
Average session length (minutes:seconds) 11:51
Longest session recorded (minutes:seconds) 142:37
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1032.4
Retrievals per search - standard deviation 7427.5
Percent of searches completed with 0 results 27.7%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,217 16.8%
PRESENT 9,581 72.5%
INIT or CLOSE 1,415 10.7%
OTHER 6 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 451 17.1% 93 20.6% 3 26.5 127.2
TITLE WORD 261 9.9% 75 28.7% 2 48.1 152.1
EXACT TITLE 19 0.7% 14 73.7% 3 6.8 8.1
JOURNAL 112 4.2% 54 48.2% 5 1767.0 7783.4
EXACT JOURNAL 409 15.5% 38 9.3% 695 1934.8 4889.5
SUBJECT 56 2.1% 37 66.1% 12 85.8 137.1
EXACT SUBJECT 24 0.9% 10 41.7% 89 14088.1 41054.0
KEYWORD 1,109 42.1% 369 33.3% 26 1696.1 10656.2
PUB TYPE 16 0.6% 3 18.8% 6 44.5 87.4
DATE 99 3.8% 15 15.2% 4 77.1 312.5
ADDED 24 0.9% 13 54.2% 10 26.5 32.5
LANGUAGE 11 0.4% 1 9.1% 8 41.7 64.6
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 1 0.0% 0 0.0% 1 1.0 0.0
COMPANY NAME 3 0.1% 2 66.7% 60 60.0 0.0
EX COMPANY NAME 0 0.0% 0 0.0% 0 0.0 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 5 0.2% 0 0.0% 64 268.0 423.3
AT 37 1.4% 2 5.4% 24 8438.0 34254.3
Other indexes 0 0.0% 0 0.0% 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 353 15.9% 99 28.0% 3 1208.7 12888.3
Single 1,864 84.1% 516 27.7% 43 1470.2 7672.9
PRESENT commands, by type:
MARC 58.0%
OPAC 19.1%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)