MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/04/02 through 05/10/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 106 697
2-4 a.m. 18 325
4-6 a.m. 12 0
6-8 a.m. 37 499
8-10 a.m. 153 949
10-12 a.m. 387 2,378
12-2 p.m. 566 5,573
2-4 p.m. 747 6,323
4-6 p.m. 478 5,477
6-8 p.m. 352 2,517
8-10 p.m. 295 3,023
10-12 p.m. 223 2,113
__________ _____________ _________________
Total: 3,374 29,874
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 7
Irvine 5
Los Angeles 2
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,492
Searchlight 1,820
Other - UC 45
Other-Network UC 0
_____
3,374
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 15
Davis 0
Irvine 0
Los Angeles 6
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 29,439
Searchlight 4
Other - UC 410
Other-Network UC 0
_____
29,874
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.5
Standard deviation in seconds 2.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:31
Longest session recorded (minutes:seconds) 128:24
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 573.9
Retrievals per search - standard deviation 4929.7
Percent of searches completed with 0 results 41.4%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 3,374 28.2%
PRESENT 5,753 48.2%
INIT or CLOSE 2,447 20.5%
OTHER 373 3.1%
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 69 1.7% 31 44.9% 29 548.8 1802.5
TITLE WORD 252 6.3% 94 37.3% 9 356.4 1305.8
EXACT TITLE 24 0.6% 13 54.2% 2 11.9 25.8
JOURNAL TITLE 8 0.2% 8 100% 0 0.0 0.0
EXACT JOURNAL 113 2.8% 43 38.1% 6 121.4 267.5
SUBJECT WORD 229 5.7% 136 59.4% 14 569.0 1562.5
EXACT SUBJECT 88 2.2% 13 14.8% 8 127.9 397.8
KEYWORD 2,759 68.5% 1,147 41.6% 15 1114.5 7064.2
DATE 118 2.9% 43 36.4% 7 69.2 204.2
ADDED SINCE 23 0.6% 21 91.3% 2 1.5 0.7
PUB TYPE 4 0.1% 2 50.0% 8 8.0 0.0
SUBFILE 9 0.2% 7 77.8% 906 906.0 773.6
ID 1 0.0% 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 3 0.1% 2 66.7% 11 11.0 0.0
ARTICLE 5 0.1% 2 40.0% 23 26.7 17.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 311 7.7% 92 29.6% 15 1065.3 8547.3
Other indexes 9 0.2% 1 11.1% 11 18.0 19.0
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 470 13.9% 168 35.7% 13 801.5 7287.9
Single 2,904 86.1% 1,230 42.4% 15 1012.0 6242.1
PRESENT commands, by type:
MARC 45.4%
OPAC 33.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (