MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/02 through 06/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,539 28,032
2-4 a.m. 754 7,058
4-6 a.m. 379 5,719
6-8 a.m. 562 9,093
8-10 a.m. 2,518 62,862
10-12 a.m. 6,962 209,728
12-2 p.m. 7,569 251,703
2-4 p.m. 8,498 302,502
4-6 p.m. 6,364 199,951
6-8 p.m. 3,324 110,547
8-10 p.m. 2,823 92,115
10-12 p.m. 2,107 71,873
__________ _____________ _________________
Total: 43,399 1,351,183
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 135
Davis 293
Irvine 37
Los Angeles 1,407
Riverside 12
San Diego 461
San Francisco 405
Santa Barbara 49
Santa Cruz 101
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 33,251
Searchlight 5,940
Other - UC 498
Other-Network UC 810
_____
43,399
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,116
Davis 5,672
Irvine 386
Los Angeles 19,079
Riverside 138
San Diego 3,076
San Francisco 5,795
Santa Barbara 1,006
Santa Cruz 895
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,280,114
Searchlight 5,715
Other - UC 8,995
Other-Network UC 18,196
_____
1,351,183
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 3.8
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) 21:48
Average session length (minutes:seconds) 21:54
Longest session recorded (minutes:seconds) 252:53
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 626.9
Retrievals per search - standard deviation 9165.7
Percent of searches completed with 0 results 22.2%
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 43,399 12.6%
PRESENT 285,763 83.0%
INIT or CLOSE 14,770 4.3%
OTHER 212 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 17,316 27.4% 3,000 17.3% 6 67.3 916.0
TITLE WORD 6,019 9.5% 1,496 24.9% 1 134.1 2696.8
EXACT TITLE 879 1.4% 384 43.7% 1 15.0 119.5
JOURNAL 2,056 3.3% 690 33.6% 5 797.9 6487.2
EXACT JOURNAL 679 1.1% 261 38.4% 17 1267.9 11631.3
SUBJECT 1,277 2.0% 522 40.9% 44 1864.9 7753.8
EXACT SUBJECT 469 0.7% 151 32.2% 34 1368.6 5539.9
KEYWORD 21,884 34.6% 5,027 23.0% 27 1323.4 14183.6
AUTHOR AFFIL 98 0.2% 81 82.7% 9 14.3 14.9
FORM/PUB TYPE 1,383 2.2% 211 15.3% 48 604.2 2687.8
DATE 3,196 5.1% 499 15.6% 8 213.3 1165.6
ADDED 631 1.0% 507 80.3% 3 5.1 8.2
CONFERENCE 0 0.0% 0 0.0% 0 0.0 0.0
LANGUAGE 2,578 4.1% 471 18.3% 59 1639.5 11717.3
ISSN 9 0.0% 4 44.4% 272 4177.8 8641.2
ISBN 21 0.0% 12 57.1% 12 10.6 5.1
ID NUMBER 5 0.0% 5 100% 0 0.0 0.0
XXS 12 0.0% 2 16.7% 793 2013.2 2510.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 144 0.2% 33 22.9% 114 1277.5 3843.9
AT 3,624 5.7% 708 19.5% 37 1050.6 6400.4
Other indexes 921 1.5% 223 24.2% 58 1590.0 10061.6
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 13,997 32.3% 3,284 23.5% 7 608.7 6174.0
Single 29,402 67.7% 6,332 21.5% 19 896.6 11836.7
PRESENT commands, by type:
MARC 51.0%
OPAC 28.8%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)