MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/02 through 06/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,739 43,961
2-4 a.m. 611 18,414
4-6 a.m. 325 8,185
6-8 a.m. 496 10,567
8-10 a.m. 2,327 56,849
10-12 a.m. 6,405 163,528
12-2 p.m. 8,284 229,957
2-4 p.m. 9,873 295,185
4-6 p.m. 7,601 225,630
6-8 p.m. 4,214 125,281
8-10 p.m. 4,232 132,990
10-12 p.m. 2,890 88,739
__________ _____________ _________________
Total: 48,997 1,399,286
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 71
Irvine 10
Los Angeles 125
Riverside 0
San Diego 37
San Francisco 63
Santa Barbara 48
Santa Cruz 9
Lawrence Berkeley 30
Lawrence Livermore 0
Los Alamos 0
MELWEB 44,391
Searchlight 3,680
Other - UC 398
Other-Network UC 88
_____
48,997
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 303
Davis 1,072
Irvine 48
Los Angeles 1,461
Riverside 0
San Diego 319
San Francisco 273
Santa Barbara 569
Santa Cruz 169
Lawrence Berkeley 161
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,384,829
Searchlight 2,443
Other - UC 6,813
Other-Network UC 826
_____
1,399,286
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 4.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:42
Average session length (minutes:seconds) 22:14
Longest session recorded (minutes:seconds) 206:46
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1193.3
Retrievals per search - standard deviation 16341
Percent of searches completed with 0 results 23.5%
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 48,997 14.5%
PRESENT 265,976 79.0%
INIT or CLOSE 20,640 6.1%
OTHER 1,214 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 8,221 12.6% 2,454 29.8% 6 71.5 608.2
TITLE WORD 6,431 9.9% 2,174 33.8% 5 221.0 1862.2
EXACT TITLE 961 1.5% 631 65.7% 1 112.8 856.8
JOURNAL TITLE 4,157 6.4% 2,130 51.2% 14 3518.1 22626.7
EXACT JOURNAL 4,204 6.5% 757 18.0% 941 5836.9 12450.4
SUBJECT WORD 3,713 5.7% 1,602 43.1% 10 431.0 4317.3
EXACT SUBJECT 1,514 2.3% 304 20.1% 12 7914.0 83030.4
KEYWORD 25,988 39.9% 4,406 17.0% 21 923.9 11778.8
DATE 1,266 1.9% 355 28.0% 17 132.2 433.1
ADDED SINCE 334 0.5% 222 66.5% 4 17.7 60.3
PUB TYPE 256 0.4% 88 34.4% 15 216.4 1922.4
SUBFILE 122 0.2% 44 36.1% 24 195.8 514.5
ID 16 0.0% 2 12.5% 1 1.0 0.0
ISSN 32 0.0% 10 31.3% 729 959.5 884.6
SIC 2 0.0% 2 100% 0 0.0 0.0
ILLUS 6 0.0% 1 16.7% 43 184.8 259.1
ARTICLE 850 1.3% 141 16.6% 41 549.6 2262.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,936 10.6% 1,586 22.9% 24 1148.1 8108.9
Other indexes 134 0.2% 118 88.1% 48 2952.8 7518.2
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 13,390 27.3% 4,265 31.9% 12 773.1 6484.3
Single 35,607 72.7% 7,242 20.3% 22 1812.6 21135.9
PRESENT commands, by type:
MARC 45.6%
OPAC 30.4%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (