MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,533 70,947
2-4 a.m. 1,582 25,299
4-6 a.m. 612 15,086
6-8 a.m. 768 20,043
8-10 a.m. 5,603 188,125
10-12 a.m. 16,327 567,839
12-2 p.m. 22,413 827,726
2-4 p.m. 24,854 942,547
4-6 p.m. 18,645 728,861
6-8 p.m. 11,259 422,431
8-10 p.m. 8,623 329,433
10-12 p.m. 5,294 190,857
__________ _____________ _________________
Total: 118,513 4,329,194
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 221
Davis 544
Irvine 4
Los Angeles 1,472
Riverside 1
San Diego 755
San Francisco 520
Santa Barbara 58
Santa Cruz 10
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 8,723
Other - UC 104,947
Other-Network UC 1,258
_____
118,513
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,939
Davis 6,116
Irvine 329
Los Angeles 11,760
Riverside 15
San Diego 6,484
San Francisco 8,735
Santa Barbara 1,018
Santa Cruz 105
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 4,275,094
Other-Network UC 16,599
_____
4,329,194
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
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 0.5
2.0 PSYCINFO Database Detailed Statistics
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Median session length (minutes:seconds) 22:44
Average session length (minutes:seconds) 23:50
Longest session recorded (minutes:seconds) 480:12
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 879.5
Retrievals per search - standard deviation 11454
Percent of searches completed with 0 results 21.1%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 118,513 12.0%
PRESENT 831,173 83.9%
INIT or CLOSE 39,072 3.9%
OTHER 1,346 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 32,457 17.7% 6,147 18.9% 7 59.1 737.1
TITLE WORD 13,494 7.4% 3,734 27.7% 2 134.6 2265.8
EXACT TITLE 2,583 1.4% 1,142 44.2% 1 22.9 254.9
JOURNAL 6,429 3.5% 2,339 36.4% 6 1036.6 5734.7
EXACT JOURNAL 2,230 1.2% 1,074 48.2% 15 1145.6 6935.9
SUBJECT 6,279 3.4% 2,644 42.1% 58 1535.5 5927.0
EXACT SUBJECT 1,730 0.9% 635 36.7% 91 1610.6 4541.6
KEYWORD 69,614 38.1% 12,610 18.1% 30 1514.6 16091.9
AUTHOR AFFIL 155 0.1% 129 83.2% 16 106.6 232.2
FORM/PUB TYPE 6,396 3.5% 1,197 18.7% 39 712.5 3674.8
DATE 8,086 4.4% 1,431 17.7% 16 449.2 2510.4
ADDED 796 0.4% 659 82.8% 2 24.6 192.9
CONFERENCE 13 0.0% 10 76.9% 12 266.7 448.0
LANGUAGE 10,748 5.9% 1,930 18.0% 60 1643.3 8499.1
ISSN 1 0.0% 1 100% 0 0.0 0.0
ISBN 77 0.0% 40 51.9% 10 13.2 17.8
ID NUMBER 24 0.0% 16 66.7% 1 5.1 11.7
XXS 72 0.0% 18 25.0% 359 2121.1 5306.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 771 0.4% 154 20.0% 58 2226.3 11556.4
AT 16,831 9.2% 3,258 19.4% 37 1411.7 8225.2
Other indexes 4,101 2.2% 1,154 28.1% 54 1811.1 11829.4
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 39,321 33.2% 9,496 24.1% 15 884.2 6294.1
Single 79,192 66.8% 15,499 19.6% 22 1222.4 15004.5
PRESENT commands, by type:
MARC 44.1%
OPAC 37.4%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)