MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/01 through 04/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,922 128,799
2-4 a.m. 1,473 37,127
4-6 a.m. 385 13,008
6-8 a.m. 840 24,533
8-10 a.m. 8,542 239,601
10-12 a.m. 21,073 609,142
12-2 p.m. 25,694 804,171
2-4 p.m. 29,767 923,505
4-6 p.m. 24,347 764,370
6-8 p.m. 14,650 473,304
8-10 p.m. 12,017 421,280
10-12 p.m. 8,941 303,707
__________ _____________ _________________
Total: 151,651 4,742,547
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 158
Davis 52
Irvine 146
Los Angeles 105
Riverside 0
San Diego 177
San Francisco 33
Santa Barbara 28
Santa Cruz 18
Lawrence Berkeley 1
Lawrence Livermore 3
Los Alamos 0
MELWEB 137,721
Searchlight 9,335
Other - UC 3,556
Other-Network UC 318
_____
151,651
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,560
Davis 2,617
Irvine 1,785
Los Angeles 1,359
Riverside 0
San Diego 873
San Francisco 221
Santa Barbara 414
Santa Cruz 141
Lawrence Berkeley 0
Lawrence Livermore 23
Los Alamos 0
MELWEB 4,643,095
Searchlight 8,186
Other - UC 78,911
Other-Network UC 3,362
_____
4,742,547
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 6.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.7
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:27
Average session length (minutes:seconds) 24:03
Longest session recorded (minutes:seconds) 258:11
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1066.0
Retrievals per search - standard deviation 15182
Percent of searches completed with 0 results 22.4%
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 151,651 13.4%
PRESENT 918,612 81.3%
INIT or CLOSE 58,392 5.2%
OTHER 1,310 0.1%
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 18,009 8.6% 5,542 30.8% 6 109.3 5740.3
TITLE WORD 17,604 8.4% 5,616 31.9% 6 297.6 2314.6
EXACT TITLE 2,620 1.3% 1,736 66.3% 1 53.6 365.3
JOURNAL TITLE 11,222 5.4% 5,679 50.6% 10 3112.7 24086.0
EXACT JOURNAL 11,055 5.3% 1,921 17.4% 897 5322.1 11263.3
SUBJECT WORD 14,919 7.2% 6,242 41.8% 13 359.4 2478.2
EXACT SUBJECT 8,303 4.0% 1,492 18.0% 11 4170.2 57523.7
KEYWORD 85,405 41.0% 14,031 16.4% 25 857.8 10355.0
DATE 4,680 2.2% 1,239 26.5% 19 186.4 1330.3
ADDED SINCE 611 0.3% 386 63.2% 4 31.7 132.9
PUB TYPE 1,355 0.7% 612 45.2% 13 150.4 897.2
SUBFILE 2,902 1.4% 644 22.2% 29 213.5 1030.3
ID 472 0.2% 2 0.4% 1 1.0 0.0
ISSN 52 0.0% 36 69.2% 941 7608.9 23851.9
SIC 6 0.0% 4 66.7% 172 172.0 171.1
ILLUS 68 0.0% 38 55.9% 32 179.8 532.1
ARTICLE 3,185 1.5% 622 19.5% 28 216.8 1048.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 25,701 12.3% 5,881 22.9% 32 996.6 6609.7
Other indexes 254 0.1% 195 76.8% 54 2405.4 9799.7
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 44,783 29.5% 13,085 29.2% 17 710.3 6479.2
Single 106,868 70.5% 20,933 19.6% 23 1619.2 19760.9
PRESENT commands, by type:
MARC 46.4%
OPAC 30.1%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (