MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/99 through 10/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,361 131,504
2-4 a.m. 963 31,478
4-6 a.m. 314 11,869
6-8 a.m. 630 18,353
8-10 a.m. 7,975 263,142
10-12 a.m. 19,407 705,192
12-2 p.m. 25,263 890,896
2-4 p.m. 30,792 1,127,646
4-6 p.m. 23,536 892,475
6-8 p.m. 12,377 510,556
8-10 p.m. 10,939 445,060
10-12 p.m. 7,734 310,976
__________ _____________ _________________
Total: 143,291 5,339,147
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 134
Davis 230
Irvine 72
Los Angeles 86
Riverside 3
San Diego 1,191
San Francisco 13
Santa Barbara 34
Santa Cruz 363
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 42,758
Other - UC 98,117
Other-Network UC 289
_____
143,291
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,075
Davis 4,206
Irvine 1,041
Los Angeles 196
Riverside 16
San Diego 20
San Francisco 295
Santa Barbara 134
Santa Cruz 681
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,622,707
Other - UC 3,704,446
Other-Network UC 4,330
_____
5,339,147
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 6.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.4
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 25:59
Average session length (minutes:seconds) 30:15
Longest session recorded (minutes:seconds) 264:21
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 782.5
Retrievals per search - standard deviation 10659
Percent of searches completed with 0 results 25.3%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 143,291 12.0%
PRESENT 1,005,931 84.2%
INIT or CLOSE 44,071 3.7%
OTHER 1,924 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 17,157 8.4% 5,779 33.7% 6 68.6 549.5
TITLE WORD 15,869 7.8% 5,408 34.1% 7 230.3 1725.9
EXACT TITLE 2,524 1.2% 1,820 72.1% 1 68.6 369.9
JOURNAL TITLE 12,093 5.9% 6,943 57.4% 14 2422.9 11839.8
EXACT JOURNAL 8,752 4.3% 3,208 36.7% 380 3755.2 10341.1
SUBJECT WORD 17,616 8.7% 8,013 45.5% 14 448.1 7863.9
EXACT SUBJECT 9,120 4.5% 2,036 22.3% 15 2091.5 36796.0
KEYWORD 79,786 39.2% 13,822 17.3% 28 879.4 8441.6
DATE 5,865 2.9% 1,725 29.4% 26 159.7 1059.5
ADDED SINCE 545 0.3% 367 67.3% 5 41.4 113.9
PUB TYPE 1,480 0.7% 711 48.0% 10 212.8 2322.4
SUBFILE 1,537 0.8% 449 29.2% 28 197.0 1050.6
ID 286 0.1% 6 2.1% 1 1.0 0.0
ISSN 16 0.0% 14 87.5% 9,216 9216.0 12671.4
SIC 27 0.0% 10 37.0% 137 208.6 302.6
ILLUS 47 0.0% 27 57.4% 31 155.7 342.0
ARTICLE 5,483 2.7% 799 14.6% 96 977.2 3514.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 24,885 12.2% 5,992 24.1% 35 788.3 4509.0
Other indexes 246 0.1% 154 62.6% 71 748.7 1966.2
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 47,545 33.2% 15,529 32.7% 25 661.6 3971.4
Single 95,746 66.8% 20,704 21.6% 21 1211.9 14481.9
PRESENT commands, by type:
MARC 44.9%
OPAC 33.7%