MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/00 through 10/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,182 92,577
2-4 a.m. 740 21,198
4-6 a.m. 295 10,248
6-8 a.m. 686 17,260
8-10 a.m. 8,426 224,821
10-12 a.m. 21,227 657,389
12-2 p.m. 27,122 809,218
2-4 p.m. 31,813 1,003,347
4-6 p.m. 25,646 808,768
6-8 p.m. 13,829 471,885
8-10 p.m. 11,085 367,799
10-12 p.m. 6,934 237,965
__________ _____________ _________________
Total: 150,985 4,722,475
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 79
Davis 87
Irvine 84
Los Angeles 41
Riverside 1
San Diego 197
San Francisco 6
Santa Barbara 10
Santa Cruz 11
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 5
MELWEB 136,467
Searchlight 10,883
Other - UC 2,997
Other-Network UC 116
_____
150,985
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 894
Davis 1,403
Irvine 814
Los Angeles 745
Riverside 1
San Diego 144
San Francisco 58
Santa Barbara 160
Santa Cruz 84
Lawrence Berkeley 0
Lawrence Livermore 12
Los Alamos 133
MELWEB 4,646,554
Searchlight 9,512
Other - UC 59,248
Other-Network UC 2,713
_____
4,722,475
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 7.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 1.0
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:27
Average session length (minutes:seconds) 23:48
Longest session recorded (minutes:seconds) 251:38
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1174.8
Retrievals per search - standard deviation 16362
Percent of searches completed with 0 results 23.9%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 150,985 13.4%
PRESENT 911,415 81.1%
INIT or CLOSE 59,301 5.3%
OTHER 2,045 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 18,774 8.9% 6,073 32.3% 6 59.6 506.5
TITLE WORD 16,717 7.9% 5,701 34.1% 5 332.1 9515.3
EXACT TITLE 2,498 1.2% 1,838 73.6% 1 60.4 403.1
JOURNAL TITLE 11,232 5.3% 5,831 51.9% 10 2097.1 9230.7
EXACT JOURNAL 10,602 5.0% 2,676 25.2% 849 7415.5 27316.0
SUBJECT WORD 16,427 7.8% 7,036 42.8% 14 385.4 3258.9
EXACT SUBJECT 8,277 3.9% 1,805 21.8% 13 5035.6 61420.4
KEYWORD 84,990 40.1% 14,331 16.9% 26 962.8 10724.5
DATE 5,816 2.7% 1,567 26.9% 21 148.9 521.9
ADDED SINCE 890 0.4% 569 63.9% 5 37.0 140.8
PUB TYPE 1,935 0.9% 806 41.7% 16 120.0 636.8
SUBFILE 3,238 1.5% 688 21.2% 29 321.3 2304.3
ID 308 0.1% 1 0.3% 1 1.0 0.0
ISSN 57 0.0% 37 64.9% 317 925.4 1249.7
SIC 3 0.0% 2 66.7% 1 1.0 0.0
ILLUS 59 0.0% 33 55.9% 15 77.0 138.5
ARTICLE 3,369 1.6% 678 20.1% 28 257.9 1530.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 26,477 12.5% 6,125 23.1% 29 946.4 5744.5
Other indexes 239 0.1% 174 72.8% 28 247.2 483.0
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 47,157 31.2% 14,367 30.5% 17 653.7 4790.6
Single 103,828 68.8% 21,648 20.8% 24 1897.6 21942.5
PRESENT commands, by type:
MARC 45.3%
OPAC 31.3%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (