MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/02 through 03/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 462 4,464
2-4 a.m. 167 993
4-6 a.m. 53 265
6-8 a.m. 136 1,857
8-10 a.m. 874 6,014
10-12 a.m. 1,578 12,756
12-2 p.m. 2,355 24,701
2-4 p.m. 2,834 33,505
4-6 p.m. 2,194 23,273
6-8 p.m. 1,402 16,471
8-10 p.m. 1,251 14,708
10-12 p.m. 895 11,987
__________ _____________ _________________
Total: 14,201 150,994
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 9
Irvine 1
Los Angeles 63
Riverside 0
San Diego 37
San Francisco 2
Santa Barbara 2
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 6,734
Searchlight 6,480
Other - UC 863
Other-Network UC 6
_____
14,201
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 6
Irvine 0
Los Angeles 125
Riverside 0
San Diego 12
San Francisco 0
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 143,666
Searchlight 29
Other - UC 7,051
Other-Network UC 102
_____
150,994
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 1.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:02
Average session length (minutes:seconds) 7:06
Longest session recorded (minutes:seconds) 203:12
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 827.2
Retrievals per search - standard deviation 7138.4
Percent of searches completed with 0 results 37.4%
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 14,201 26.2%
PRESENT 30,203 55.8%
INIT or CLOSE 9,674 17.9%
OTHER 55 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 518 3.0% 195 37.6% 4 181.7 447.1
TITLE WORD 1,149 6.6% 424 36.9% 6 362.0 2048.2
EXACT TITLE 120 0.7% 62 51.7% 1 24.4 92.5
JOURNAL TITLE 31 0.2% 21 67.7% 1 115.6 275.9
EXACT JOURNAL 509 2.9% 121 23.8% 14 756.2 10355.5
SUBJECT WORD 989 5.7% 531 53.7% 20 1792.6 11178.8
EXACT SUBJECT 531 3.0% 97 18.3% 10 377.1 4226.2
KEYWORD 11,291 64.7% 4,199 37.2% 23 1479.3 9567.7
DATE 684 3.9% 199 29.1% 12 105.5 359.4
ADDED SINCE 143 0.8% 108 75.5% 9 133.7 474.1
PUB TYPE 39 0.2% 31 79.5% 7 95.9 204.3
SUBFILE 28 0.2% 14 50.0% 48 158.1 374.1
ID 35 0.2% 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 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 29 0.2% 17 58.6% 4 4.6 4.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,333 7.6% 310 23.3% 25 934.5 5599.5
Other indexes 22 0.1% 8 36.4% 165 675.4 905.8
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 2,440 17.2% 741 30.4% 16 768.2 6621.1
Single 11,761 82.8% 4,570 38.9% 21 1452.1 9454.5
PRESENT commands, by type:
MARC 44.6%
OPAC 39.9%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (