MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/00 through 02/29/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 4,220 185,241
2-4 a.m. 1,382 59,396
4-6 a.m. 450 20,061
6-8 a.m. 1,024 27,493
8-10 a.m. 9,604 311,119
10-12 a.m. 22,892 800,893
12-2 p.m. 29,146 990,815
2-4 p.m. 35,051 1,254,746
4-6 p.m. 26,742 987,165
6-8 p.m. 17,078 656,922
8-10 p.m. 14,738 610,783
10-12 p.m. 9,806 425,858
__________ _____________ _________________
Total: 172,133 6,330,492
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 115
Davis 50
Irvine 64
Los Angeles 105
Riverside 2
San Diego 1,322
San Francisco 25
Santa Barbara 3
Santa Cruz 14
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 166,555
Searchlight 938
Other - UC 2,632
Other-Network UC 308
_____
172,133
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,510
Davis 901
Irvine 681
Los Angeles 1,551
Riverside 2
San Diego 1,167
San Francisco 641
Santa Barbara 23
Santa Cruz 172
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 6,244,318
Searchlight 15,964
Other - UC 57,222
Other-Network UC 5,340
_____
6,330,492
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 6.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.2
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 23:52
Average session length (minutes:seconds) 25:43
Longest session recorded (minutes:seconds) 360:53
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 861.6
Retrievals per search - standard deviation 13643
Percent of searches completed with 0 results 23.6%
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 172,133 12.0%
PRESENT 1,201,676 83.8%
INIT or CLOSE 58,124 4.1%
OTHER 2,341 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 20,885 8.5% 6,855 32.8% 6 52.0 471.3
TITLE WORD 18,400 7.5% 6,328 34.4% 5 212.0 1873.0
EXACT TITLE 3,009 1.2% 2,075 69.0% 1 75.5 961.1
JOURNAL TITLE 13,090 5.3% 6,926 52.9% 9 2049.1 11613.5
EXACT JOURNAL 7,817 3.2% 2,044 26.1% 618 4472.9 10773.4
SUBJECT WORD 20,553 8.3% 8,932 43.5% 14 426.5 9865.7
EXACT SUBJECT 9,975 4.0% 2,021 20.3% 12 3832.5 51479.8
KEYWORD 100123 40.6% 16,179 16.2% 26 855.3 9766.0
DATE 7,086 2.9% 1,633 23.0% 35 147.6 560.4
ADDED SINCE 586 0.2% 410 70.0% 3 44.5 328.4
PUB TYPE 1,562 0.6% 645 41.3% 16 554.3 11389.6
SUBFILE 2,085 0.8% 566 27.1% 27 197.7 1008.6
ID 193 0.1% 0 0.0% 1 1.0 0.0
ISSN 22 0.0% 18 81.8% 299 376.5 439.7
SIC 4 0.0% 1 25.0% 31 368.0 608.1
ILLUS 49 0.0% 22 44.9% 14 93.7 203.7
ARTICLE 5,968 2.4% 796 13.3% 87 1203.9 3812.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 34,919 14.2% 7,996 22.9% 26 810.2 5507.0
Other indexes 272 0.1% 168 61.8% 24 517.3 1728.9
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 59,215 34.4% 16,775 28.3% 22 691.3 4678.2
Single 112,918 65.6% 23,860 21.1% 20 1336.0 18675.1
PRESENT commands, by type:
MARC 44.9%
OPAC 34.5%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (