MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/01 through 07/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 311 1,643
2-4 a.m. 67 341
4-6 a.m. 26 44
6-8 a.m. 105 557
8-10 a.m. 564 5,031
10-12 a.m. 1,564 12,084
12-2 p.m. 1,670 18,030
2-4 p.m. 2,307 18,177
4-6 p.m. 1,505 15,739
6-8 p.m. 662 6,976
8-10 p.m. 515 3,790
10-12 p.m. 356 1,642
__________ _____________ _________________
Total: 9,652 84,054
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 7
Davis 14
Irvine 9
Los Angeles 58
Riverside 5
San Diego 23
San Francisco 10
Santa Barbara 11
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 142
Searchlight 4,225
Other - UC 5,107
Other-Network UC 40
_____
9,652
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 21
Davis 3
Irvine 64
Los Angeles 307
Riverside 0
San Diego 161
San Francisco 18
Santa Barbara 59
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 83,254
Other-Network UC 167
_____
84,054
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 2.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:04
Longest session recorded (minutes:seconds) 164:59
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 553.4
Retrievals per search - standard deviation 4358.7
Percent of searches completed with 0 results 39.1%
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 9,652 29.6%
PRESENT 16,594 50.9%
INIT or CLOSE 6,287 19.3%
OTHER 59 0.2%
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 361 2.9% 193 53.5% 12 188.9 496.8
TITLE WORD 666 5.4% 304 45.6% 11 279.4 1247.9
EXACT TITLE 60 0.5% 47 78.3% 1 1.1 0.3
JOURNAL TITLE 36 0.3% 28 77.8% 212 353.1 527.8
EXACT JOURNAL 794 6.4% 120 15.1% 13 71.0 273.2
SUBJECT WORD 1,105 8.9% 360 32.6% 13 232.8 2050.7
EXACT SUBJECT 252 2.0% 56 22.2% 7 250.0 849.9
KEYWORD 7,481 60.2% 2,947 39.4% 17 1099.3 6245.9
DATE 944 7.6% 207 21.9% 14 57.8 216.1
ADDED SINCE 143 1.2% 120 83.9% 2 245.4 1155.7
PUB TYPE 22 0.2% 18 81.8% 4 3.3 1.7
SUBFILE 8 0.1% 5 62.5% 1 2.7 2.9
ID 20 0.2% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 1 100% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 1 0.0% 0 0.0% 15 15.0 0.0
ARTICLE 22 0.2% 12 54.5% 3 7.0 8.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 505 4.1% 147 29.1% 31 549.4 3221.8
Other indexes 9 0.1% 7 77.8% 44 44.0 48.1
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 1,817 18.8% 567 31.2% 15 208.5 1750.6
Single 7,835 81.2% 3,204 40.9% 16 1097.1 6180.3
PRESENT commands, by type:
MARC 47.1%
OPAC 31.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (