MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 02/24/01 through 03/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 191 3,723
2-4 a.m. 58 316
4-6 a.m. 20 22
6-8 a.m. 41 126
8-10 a.m. 324 1,462
10-12 a.m. 708 6,582
12-2 p.m. 1,045 13,449
2-4 p.m. 1,203 13,783
4-6 p.m. 1,072 12,233
6-8 p.m. 688 11,087
8-10 p.m. 657 7,392
10-12 p.m. 376 5,597
__________ _____________ _________________
Total: 6,383 75,772
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 15
Irvine 8
Los Angeles 8
Riverside 1
San Diego 54
San Francisco 0
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,583
Searchlight 2,636
Other - UC 62
Other-Network UC 10
_____
6,383
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 236
Irvine 0
Los Angeles 2
Riverside 1
San Diego 17
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 74,618
Searchlight 116
Other - UC 737
Other-Network UC 45
_____
75,772
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 1.2
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:29
Longest session recorded (minutes:seconds) 122:40
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 484.3
Retrievals per search - standard deviation 3481.8
Percent of searches completed with 0 results 37.0%
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 6,383 25.7%
PRESENT 14,490 58.3%
INIT or CLOSE 3,953 15.9%
OTHER 23 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 251 3.0% 140 55.8% 13 212.4 482.9
TITLE WORD 475 5.7% 215 45.3% 7 345.0 1464.0
EXACT TITLE 41 0.5% 25 61.0% 9 70.1 122.4
JOURNAL TITLE 11 0.1% 9 81.8% 1 1.0 0.0
EXACT JOURNAL 317 3.8% 87 27.4% 70 288.8 1437.6
SUBJECT WORD 512 6.2% 276 53.9% 16 677.2 3241.0
EXACT SUBJECT 358 4.3% 39 10.9% 44 326.2 1833.7
KEYWORD 4,996 60.3% 1,818 36.4% 16 855.3 4768.7
DATE 434 5.2% 119 27.4% 43 148.7 218.1
ADDED SINCE 42 0.5% 33 78.6% 1 1.6 0.9
PUB TYPE 16 0.2% 7 43.8% 8 66.3 164.2
SUBFILE 5 0.1% 3 60.0% 65 64.5 20.5
ID 8 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 2 0.0% 1 50.0% 6 6.0 0.0
ARTICLE 28 0.3% 10 35.7% 3 10.5 16.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 767 9.3% 201 26.2% 27 969.6 4308.5
Other indexes 16 0.2% 11 68.8% 87 341.8 428.8
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 1,389 21.8% 465 33.5% 29 653.2 3398.6
Single 4,994 78.2% 1,899 38.0% 15 803.8 4612.0
PRESENT commands, by type:
MARC 44.1%
OPAC 39.5%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (