MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/01 through 05/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 652 7,032
2-4 a.m. 209 1,197
4-6 a.m. 57 97
6-8 a.m. 182 1,432
8-10 a.m. 1,148 10,708
10-12 a.m. 3,027 30,469
12-2 p.m. 4,187 48,037
2-4 p.m. 4,784 57,325
4-6 p.m. 3,873 49,761
6-8 p.m. 2,470 29,562
8-10 p.m. 2,242 30,332
10-12 p.m. 1,633 16,374
__________ _____________ _________________
Total: 24,464 282,326
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 24
Davis 27
Irvine 4
Los Angeles 75
Riverside 0
San Diego 40
San Francisco 1
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 13,060
Searchlight 11,059
Other - UC 130
Other-Network UC 38
_____
24,464
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 62
Davis 127
Irvine 22
Los Angeles 40
Riverside 0
San Diego 6
San Francisco 94
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 280,085
Searchlight 165
Other - UC 1,705
Other-Network UC 20
_____
282,326
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 3.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:04
Longest session recorded (minutes:seconds) 128:13
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 505.6
Retrievals per search - standard deviation 10850
Percent of searches completed with 0 results 39.2%
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 24,464 25.8%
PRESENT 54,152 57.2%
INIT or CLOSE 15,987 16.9%
OTHER 84 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 870 2.8% 400 46.0% 9 280.3 730.7
TITLE WORD 1,490 4.8% 575 38.6% 5 1761.4 43314.8
EXACT TITLE 151 0.5% 93 61.6% 1 17.5 61.6
JOURNAL TITLE 69 0.2% 57 82.6% 11 181739 430458
EXACT JOURNAL 872 2.8% 257 29.5% 14 277.5 1827.4
SUBJECT WORD 1,940 6.3% 964 49.7% 10 326.7 1362.2
EXACT SUBJECT 1,030 3.3% 212 20.6% 8 794.2 6695.3
KEYWORD 19,878 64.2% 7,807 39.3% 17 731.6 5772.3
DATE 1,305 4.2% 424 32.5% 14 102.2 307.4
ADDED SINCE 232 0.7% 156 67.2% 3 54.9 277.8
PUB TYPE 99 0.3% 62 62.6% 3 26.1 59.0
SUBFILE 39 0.1% 23 59.0% 10 108.4 190.5
ID 7 0.0% 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 14 0.0% 7 50.0% 6 33.4 42.2
ARTICLE 66 0.2% 28 42.4% 4 78.1 162.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,855 9.2% 746 26.1% 23 737.9 6137.0
Other indexes 36 0.1% 25 69.4% 12 239.6 476.6
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 4,707 19.2% 1,514 32.2% 17 958.1 23700.9
Single 19,757 80.8% 8,072 40.9% 15 796.8 9627.3
PRESENT commands, by type:
MARC 43.7%
OPAC 39.9%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (