MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/01 through 08/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,415 27,502
2-4 a.m. 802 9,573
4-6 a.m. 292 4,747
6-8 a.m. 644 10,295
8-10 a.m. 3,663 101,544
10-12 a.m. 9,346 302,681
12-2 p.m. 10,681 377,516
2-4 p.m. 11,078 382,964
4-6 p.m. 7,447 303,526
6-8 p.m. 2,771 102,823
8-10 p.m. 1,968 70,635
10-12 p.m. 1,312 40,981
__________ _____________ _________________
Total: 51,419 1,734,787
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 118
Davis 79
Irvine 115
Los Angeles 1,299
Riverside 115
San Diego 335
San Francisco 1,089
Santa Barbara 248
Santa Cruz 16
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 15
Searchlight 2,611
Other - UC 44,582
Other-Network UC 797
_____
51,419
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,261
Davis 745
Irvine 2,225
Los Angeles 22,663
Riverside 358
San Diego 2,845
San Francisco 12,104
Santa Barbara 2,038
Santa Cruz 585
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 11
Searchlight 5
Other - UC 1,675,652
Other-Network UC 14,295
_____
1,734,787
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 4.1
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 PSYCINFO Database Detailed Statistics
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Median session length (minutes:seconds) 22:16
Average session length (minutes:seconds) 23:29
Longest session recorded (minutes:seconds) 318:22
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 586.0
Retrievals per search - standard deviation 6049.2
Percent of searches completed with 0 results 23.6%
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 51,419 12.0%
PRESENT 360,384 84.1%
INIT or CLOSE 16,202 3.8%
OTHER 626 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 19,910 26.0% 3,861 19.4% 6 46.2 283.0
TITLE WORD 6,514 8.5% 1,949 29.9% 1 69.0 441.0
EXACT TITLE 968 1.3% 441 45.6% 1 21.5 285.2
JOURNAL 2,867 3.7% 932 32.5% 6 849.6 2980.3
EXACT JOURNAL 935 1.2% 350 37.4% 22 1097.6 2434.3
SUBJECT 2,377 3.1% 987 41.5% 40 1167.0 5381.8
EXACT SUBJECT 626 0.8% 240 38.3% 50 1029.4 2541.2
KEYWORD 25,147 32.8% 6,010 23.9% 29 1227.4 9229.8
AUTHOR AFFIL 107 0.1% 80 74.8% 12 257.6 633.7
FORM/PUB TYPE 1,901 2.5% 393 20.7% 31 374.3 1781.7
DATE 4,213 5.5% 862 20.5% 10 244.4 1633.4
ADDED 732 1.0% 581 79.4% 2 7.6 23.3
CONFERENCE 2 0.0% 2 100% 0 0.0 0.0
LANGUAGE 3,481 4.5% 745 21.4% 61 1098.6 7149.6
ISSN 1 0.0% 1 100% 0 0.0 0.0
ISBN 15 0.0% 5 33.3% 19 18.1 13.6
ID NUMBER 7 0.0% 5 71.4% 1 1.0 0.0
XXS 78 0.1% 34 43.6% 147 2232.8 3838.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 146 0.2% 21 14.4% 159 906.2 2750.9
AT 5,088 6.6% 1,198 23.5% 38 1227.4 6675.7
Other indexes 1,490 1.9% 381 25.6% 56 1763.1 12453.3
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 17,034 33.1% 4,635 27.2% 8 564.0 4617.1
Single 34,385 66.9% 7,509 21.8% 19 861.0 7742.4
PRESENT commands, by type:
MARC 49.0%
OPAC 31.8%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)