MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/01 through 10/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 394 2,661
2-4 a.m. 112 696
4-6 a.m. 41 289
6-8 a.m. 138 765
8-10 a.m. 874 9,936
10-12 a.m. 2,191 20,347
12-2 p.m. 2,788 21,568
2-4 p.m. 3,229 32,153
4-6 p.m. 2,572 22,823
6-8 p.m. 1,597 16,196
8-10 p.m. 1,312 12,101
10-12 p.m. 944 10,230
__________ _____________ _________________
Total: 16,192 149,765
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 13
Davis 28
Irvine 1
Los Angeles 102
Riverside 1
San Diego 34
San Francisco 18
Santa Barbara 6
Santa Cruz 5
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 8,010
Other - UC 7,921
Other-Network UC 53
_____
16,192
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 84
Davis 51
Irvine 0
Los Angeles 1,791
Riverside 6
San Diego 24
San Francisco 826
Santa Barbara 23
Santa Cruz 28
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 146,485
Other-Network UC 447
_____
149,765
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 2.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 1.0
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 6:55
Longest session recorded (minutes:seconds) 121:40
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 653.7
Retrievals per search - standard deviation 5268.6
Percent of searches completed with 0 results 38.9%
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 16,192 27.5%
PRESENT 30,969 52.6%
INIT or CLOSE 11,521 19.6%
OTHER 211 0.4%
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 605 3.1% 306 50.6% 13 250.2 538.5
TITLE WORD 1,157 5.9% 426 36.8% 13 285.2 1447.8
EXACT TITLE 98 0.5% 58 59.2% 1 240.2 863.5
JOURNAL TITLE 34 0.2% 32 94.1% 189 188.5 64.3
EXACT JOURNAL 444 2.3% 137 30.9% 6 408.9 2694.2
SUBJECT WORD 1,106 5.6% 587 53.1% 17 852.2 7553.6
EXACT SUBJECT 541 2.8% 109 20.1% 11 535.8 5800.8
KEYWORD 13,064 66.6% 5,028 38.5% 26 1190.1 7025.0
DATE 825 4.2% 273 33.1% 9 107.3 406.0
ADDED SINCE 176 0.9% 135 76.7% 5 147.0 607.3
PUB TYPE 64 0.3% 49 76.6% 30 150.3 279.5
SUBFILE 47 0.2% 27 57.4% 39 308.1 888.9
ID 27 0.1% 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 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 39 0.2% 16 41.0% 2 6.4 9.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,363 6.9% 379 27.8% 27 1162.1 10634.5
Other indexes 27 0.1% 23 85.2% 7 611.3 1212.5
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 2,442 15.1% 862 35.3% 16 780.8 8411.3
Single 13,750 84.9% 5,442 39.6% 24 1125.6 6332.8
PRESENT commands, by type:
MARC 49.0%
OPAC 32.0%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (