MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/00 through 09/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,159 20,292
2-4 a.m. 189 4,769
4-6 a.m. 133 2,986
6-8 a.m. 340 19,155
8-10 a.m. 2,569 111,159
10-12 a.m. 6,608 222,889
12-2 p.m. 7,287 254,106
2-4 p.m. 8,784 317,208
4-6 p.m. 6,128 229,824
6-8 p.m. 2,308 91,979
8-10 p.m. 1,845 67,782
10-12 p.m. 1,171 67,800
__________ _____________ _________________
Total: 38,521 1,409,949
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 520
Davis 133
Irvine 84
Los Angeles 502
Riverside 24
San Diego 674
San Francisco 312
Santa Barbara 41
Santa Cruz 9
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 29,157
Searchlight 4,568
Other - UC 760
Other-Network UC 1,737
_____
38,521
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,432
Davis 1,444
Irvine 13,394
Los Angeles 7,215
Riverside 838
San Diego 3,578
San Francisco 6,689
Santa Barbara 473
Santa Cruz 201
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,315,832
Searchlight 6,212
Other - UC 14,341
Other-Network UC 29,300
_____
1,409,949
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 4.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PSYCINFO Database Detailed Statistics
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Median session length (minutes:seconds) 21:22
Average session length (minutes:seconds) 20:27
Longest session recorded (minutes:seconds) 203:46
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 815.9
Retrievals per search - standard deviation 7407.5
Percent of searches completed with 0 results 20.6%
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 38,521 11.0%
PRESENT 296,295 84.6%
INIT or CLOSE 14,213 4.1%
OTHER 1,301 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 15,284 27.5% 2,638 17.3% 6 83.1 1330.2
TITLE WORD 4,306 7.7% 1,132 26.3% 2 79.2 417.2
EXACT TITLE 669 1.2% 324 48.4% 1 14.6 110.3
JOURNAL 2,485 4.5% 730 29.4% 6 1219.2 7802.3
EXACT JOURNAL 876 1.6% 330 37.7% 46 1194.7 7655.5
SUBJECT 1,645 3.0% 663 40.3% 60 1551.0 6654.6
EXACT SUBJECT 407 0.7% 168 41.3% 167 2316.3 6289.5
KEYWORD 18,652 33.5% 3,533 18.9% 31 1599.8 10811.6
AUTHOR AFFIL 86 0.2% 62 72.1% 13 1418.8 5898.5
FORM/PUB TYPE 1,008 1.8% 205 20.3% 46 1196.7 5397.0
DATE 3,324 6.0% 437 13.1% 8 372.0 2602.7
ADDED 651 1.2% 529 81.3% 3 17.1 80.2
CONFERENCE 10 0.0% 7 70.0% 26 26.3 25.5
LANGUAGE 2,431 4.4% 496 20.4% 57 1559.9 7370.1
ISSN 5 0.0% 3 60.0% 1 1.0 0.0
ISBN 57 0.1% 54 94.7% 13 9.0 6.9
ID NUMBER 8 0.0% 6 75.0% 1 1.0 0.0
XXS 70 0.1% 19 27.1% 36 1133.9 2965.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 158 0.3% 41 25.9% 128 1611.8 4970.4
AT 2,557 4.6% 510 19.9% 38 1115.3 5005.7
Other indexes 950 1.7% 204 21.5% 54 2516.7 13139.3
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 12,010 31.2% 2,860 23.8% 7 565.5 4220.0
Single 26,511 68.8% 5,062 19.1% 22 1224.0 9513.8
PRESENT commands, by type:
MARC 51.8%
OPAC 27.8%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)