MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/03/01 through 02/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 124 2,114
2-4 a.m. 44 231
4-6 a.m. 28 387
6-8 a.m. 26 10
8-10 a.m. 251 3,544
10-12 a.m. 664 9,386
12-2 p.m. 874 7,348
2-4 p.m. 907 10,060
4-6 p.m. 811 8,816
6-8 p.m. 448 8,102
8-10 p.m. 419 6,584
10-12 p.m. 318 4,413
__________ _____________ _________________
Total: 4,914 60,995
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 0
Los Angeles 2
Riverside 2
San Diego 13
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,453
Searchlight 2,334
Other - UC 110
Other-Network UC 0
_____
4,914
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 58,536
Searchlight 105
Other - UC 2,354
Other-Network UC 0
_____
60,995
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 2.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.8
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:28
Longest session recorded (minutes:seconds) 145:56
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 607.0
Retrievals per search - standard deviation 5316.6
Percent of searches completed with 0 results 39.7%
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 4,914 24.7%
PRESENT 11,698 58.8%
INIT or CLOSE 3,266 16.4%
OTHER 7 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 173 2.8% 86 49.7% 14 177.5 407.6
TITLE WORD 318 5.1% 112 35.2% 16 253.7 1218.3
EXACT TITLE 34 0.6% 23 67.6% 1 5.4 7.1
JOURNAL TITLE 4 0.1% 4 100% 0 0.0 0.0
EXACT JOURNAL 121 2.0% 50 41.3% 18 234.2 675.5
SUBJECT WORD 349 5.6% 183 52.4% 22 496.7 2210.6
EXACT SUBJECT 223 3.6% 34 15.2% 13 348.8 2007.5
KEYWORD 3,944 63.8% 1,580 40.1% 21 1174.0 7572.2
DATE 229 3.7% 94 41.0% 10 122.9 511.0
ADDED SINCE 69 1.1% 53 76.8% 5 6.7 7.5
PUB TYPE 21 0.3% 16 76.2% 2 11.2 13.6
SUBFILE 12 0.2% 8 66.7% 7 56.5 101.7
ID 7 0.1% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 4 0.1% 3 75.0% 26 26.0 0.0
ARTICLE 28 0.5% 18 64.3% 4 4.0 3.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 639 10.3% 170 26.6% 18 866.9 6686.8
Other indexes 6 0.1% 4 66.7% 1,088 1087.5 1505.4
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 940 19.1% 311 33.1% 15 663.7 5783.9
Single 3,974 80.9% 1,640 41.3% 21 1099.1 7068.9
PRESENT commands, by type:
MARC 45.1%
OPAC 37.6%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (