MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/01 through 12/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,050 68,379
2-4 a.m. 896 27,395
4-6 a.m. 461 11,543
6-8 a.m. 569 12,376
8-10 a.m. 2,601 69,145
10-12 a.m. 7,467 202,305
12-2 p.m. 9,809 290,394
2-4 p.m. 11,268 368,336
4-6 p.m. 9,448 296,617
6-8 p.m. 5,939 191,249
8-10 p.m. 5,013 172,831
10-12 p.m. 3,413 111,679
__________ _____________ _________________
Total: 58,934 1,822,249
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 47
Davis 64
Irvine 30
Los Angeles 116
Riverside 15
San Diego 213
San Francisco 8
Santa Barbara 183
Santa Cruz 24
Lawrence Berkeley 13
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 3,796
Other - UC 54,298
Other-Network UC 127
_____
58,934
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 256
Davis 1,597
Irvine 102
Los Angeles 908
Riverside 131
San Diego 201
San Francisco 29
Santa Barbara 1,644
Santa Cruz 854
Lawrence Berkeley 366
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 1,814,859
Other-Network UC 1,302
_____
1,822,249
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 4.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:45
Average session length (minutes:seconds) 22:22
Longest session recorded (minutes:seconds) 217:58
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1142.7
Retrievals per search - standard deviation 15944
Percent of searches completed with 0 results 22.8%
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 58,934 13.6%
PRESENT 349,121 80.6%
INIT or CLOSE 24,633 5.7%
OTHER 674 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 9,887 12.6% 2,845 28.8% 6 63.4 600.0
TITLE WORD 7,259 9.3% 2,357 32.5% 4 178.2 1222.8
EXACT TITLE 1,196 1.5% 797 66.6% 1 22.5 201.7
JOURNAL TITLE 4,430 5.7% 2,196 49.6% 8 2666.4 19533.7
EXACT JOURNAL 4,729 6.0% 754 15.9% 946 5115.8 10573.6
SUBJECT WORD 5,305 6.8% 2,220 41.8% 14 448.7 2986.6
EXACT SUBJECT 2,596 3.3% 488 18.8% 14 4696.9 60357.1
KEYWORD 30,775 39.4% 5,061 16.4% 24 1118.3 15089.8
DATE 1,462 1.9% 386 26.4% 20 177.5 594.3
ADDED SINCE 447 0.6% 346 77.4% 3 28.1 108.3
PUB TYPE 450 0.6% 160 35.6% 15 168.3 1500.1
SUBFILE 343 0.4% 93 27.1% 23 371.2 2361.8
ID 95 0.1% 1 1.1% 1 1.0 0.0
ISSN 3 0.0% 2 66.7% 914 914.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 6 0.0% 3 50.0% 10 442.7 757.2
ARTICLE 1,552 2.0% 317 20.4% 23 322.5 1381.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 7,520 9.6% 1,672 22.2% 30 1294.2 10062.5
Other indexes 130 0.2% 103 79.2% 4 249.2 1052.6
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 15,722 26.7% 4,883 31.1% 13 770.0 7453.0
Single 43,212 73.3% 8,528 19.7% 21 1701.0 20340.5
PRESENT commands, by type:
MARC 46.3%
OPAC 25.3%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (