MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/00 through 11/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 609 6,600
2-4 a.m. 133 1,753
4-6 a.m. 39 276
6-8 a.m. 141 3,664
8-10 a.m. 987 11,463
10-12 a.m. 3,338 37,094
12-2 p.m. 4,575 64,750
2-4 p.m. 5,426 64,614
4-6 p.m. 4,292 56,193
6-8 p.m. 2,734 33,583
8-10 p.m. 2,367 38,193
10-12 p.m. 1,350 17,562
__________ _____________ _________________
Total: 25,991 335,745
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 16
Irvine 4
Los Angeles 1
Riverside 0
San Diego 102
San Francisco 18
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 13,792
Searchlight 10,998
Other - UC 1,023
Other-Network UC 34
_____
25,991
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 30
Davis 217
Irvine 17
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 321,413
Searchlight 119
Other - UC 13,554
Other-Network UC 395
_____
335,745
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 3.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.8
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 8:30
Longest session recorded (minutes:seconds) 195:03
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 586.8
Retrievals per search - standard deviation 6276.0
Percent of searches completed with 0 results 36.9%
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 25,991 24.3%
PRESENT 64,793 60.5%
INIT or CLOSE 16,299 15.2%
OTHER 64 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 857 2.6% 382 44.6% 12 282.5 1002.0
TITLE WORD 2,183 6.6% 776 35.5% 10 330.5 1754.6
EXACT TITLE 213 0.6% 145 68.1% 1 32.2 97.1
JOURNAL TITLE 42 0.1% 38 90.5% 403 1437.3 2348.7
EXACT JOURNAL 931 2.8% 296 31.8% 13 254.7 1316.0
SUBJECT WORD 2,270 6.8% 1,217 53.6% 12 530.4 2883.7
EXACT SUBJECT 1,190 3.6% 242 20.3% 9 1263.0 9063.9
KEYWORD 20,168 60.7% 7,400 36.7% 20 1009.2 8515.6
DATE 1,346 4.0% 458 34.0% 11 166.3 1042.1
ADDED SINCE 269 0.8% 187 69.5% 5 555.4 2840.0
PUB TYPE 143 0.4% 95 66.4% 6 94.9 478.9
SUBFILE 41 0.1% 21 51.2% 25 498.5 1746.0
ID 90 0.3% 0 0.0% 1 1.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
SIC 8 0.0% 2 25.0% 272 787.8 1009.3
ILLUS 4 0.0% 4 100% 0 0.0 0.0
ARTICLE 120 0.4% 68 56.7% 5 18.2 38.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,322 10.0% 983 29.6% 24 671.3 3587.8
Other indexes 43 0.1% 29 67.4% 4 909.8 3286.8
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 5,205 20.0% 1,783 34.3% 17 518.5 3026.2
Single 20,786 80.0% 7,821 37.6% 18 1039.5 8722.8
PRESENT commands, by type:
MARC 45.5%
OPAC 35.2%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (