MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS
Time period: 05/26/01 through 06/01/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 152 1,920
2-4 a.m. 37 187
4-6 a.m. 15 42
6-8 a.m. 32 793
8-10 a.m. 204 1,431
10-12 a.m. 595 7,079
12-2 p.m. 909 13,491
2-4 p.m. 1,105 12,178
4-6 p.m. 908 11,619
6-8 p.m. 423 5,058
8-10 p.m. 449 7,945
10-12 p.m. 377 4,292
__________ _____________ _________________
Total: 5,206 66,035
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 2
Irvine 1
Los Angeles 9
Riverside 0
San Diego 11
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,836
Searchlight 2,339
Other - UC 6
Other-Network UC 2
_____
5,206
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 5
Los Angeles 39
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 65,808
Searchlight 16
Other - UC 162
Other-Network UC 5
_____
66,035
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 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 NEWSPAPER ARTICLES Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 7:57
Longest session recorded (minutes:seconds) 95:51
Average number of searches completed per session 0.0
Retrievals per search - median 2.0
Retrievals per search - average 386.9
Retrievals per search - standard deviation 3074.6
Percent of searches completed with 0 results 38.0%
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 5,206 24.4%
PRESENT 12,709 59.6%
INIT or CLOSE 3,367 15.8%
OTHER 46 0.2%
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 179 2.7% 80 44.7% 16 265.2 497.0
TITLE WORD 291 4.4% 114 39.2% 4 208.9 1125.4
EXACT TITLE 29 0.4% 18 62.1% 1 35.0 112.4
JOURNAL TITLE 10 0.2% 10 100% 0 0.0 0.0
EXACT JOURNAL 178 2.7% 57 32.0% 15 527.0 3791.4
SUBJECT WORD 382 5.8% 170 44.5% 11 155.2 565.2
EXACT SUBJECT 242 3.7% 38 15.7% 6 465.0 5815.1
KEYWORD 4,272 65.2% 1,655 38.7% 19 694.0 3975.1
DATE 267 4.1% 70 26.2% 20 100.7 228.6
ADDED SINCE 60 0.9% 41 68.3% 2 11.1 18.8
PUB TYPE 14 0.2% 9 64.3% 4 52.0 108.5
SUBFILE 7 0.1% 2 28.6% 1 57.4 122.8
ID 0 0.0% 0 0.0% 0 0.0 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 1 0.0% 0 0.0% 106 106.0 0.0
ARTICLE 16 0.2% 7 43.8% 5 70.0 120.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 588 9.0% 135 23.0% 25 394.0 1406.1
Other indexes 14 0.2% 12 85.7% 24 23.5 3.5
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 984 18.9% 291 29.6% 19 344.5 1901.0
Single 4,222 81.1% 1,685 39.9% 15 699.8 4266.2
PRESENT commands, by type:
MARC 41.3%
OPAC 42.4%
SNWmm/dd srv.news MELSRV NEWSPAPER ARTICLES DATABASES Z39.50 SERVER STATISTICS (