MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/00 through 01/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 722 19,965
2-4 a.m. 540 7,336
4-6 a.m. 46 2,687
6-8 a.m. 375 11,609
8-10 a.m. 3,227 103,691
10-12 a.m. 7,707 283,663
12-2 p.m. 8,344 328,391
2-4 p.m. 9,160 383,855
4-6 p.m. 7,294 288,774
6-8 p.m. 3,849 173,798
8-10 p.m. 2,622 111,484
10-12 p.m. 1,702 72,188
__________ _____________ _________________
Total: 45,588 1,787,441
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 220
Davis 329
Irvine 82
Los Angeles 450
Riverside 0
San Diego 1,423
San Francisco 386
Santa Barbara 62
Santa Cruz 46
Lawrence Berkeley 13
Lawrence Livermore 0
Los Alamos 0
MELWEB 41,599
Other - UC 309
Other-Network UC 669
_____
45,588
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 8,019
Davis 2,113
Irvine 2,530
Los Angeles 24,620
Riverside 0
San Diego 7,093
San Francisco 5,652
Santa Barbara 1,055
Santa Cruz 0
Lawrence Berkeley 279
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,714,068
Other - UC 8,290
Other-Network UC 13,722
_____
1,787,441
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 5.7
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 PSYCINFO Database Detailed Statistics
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Median session length (minutes:seconds) 20:53
Average session length (minutes:seconds) 19:29
Longest session recorded (minutes:seconds) 276:56
Average number of searches completed per session 0.0
Retrievals per search - median 9.0
Retrievals per search - average 810.3
Retrievals per search - standard deviation 7282.4
Percent of searches completed with 0 results 21.3%
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 45,588 10.8%
PRESENT 360,686 85.1%
INIT or CLOSE 17,170 4.1%
OTHER 349 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 13,043 18.9% 2,684 20.6% 7 48.0 298.9
TITLE WORD 4,177 6.1% 1,135 27.2% 2 149.4 4200.7
EXACT TITLE 713 1.0% 353 49.5% 1 18.1 100.0
JOURNAL 2,372 3.4% 826 34.8% 6 1290.5 10455.6
EXACT JOURNAL 974 1.4% 396 40.7% 34 993.2 2804.4
SUBJECT 2,856 4.1% 1,096 38.4% 48 1149.4 5230.2
EXACT SUBJECT 943 1.4% 230 24.4% 84 1095.2 3818.6
KEYWORD 26,631 38.7% 4,975 18.7% 37 1322.0 9462.8
AUTHOR AFFIL 74 0.1% 49 66.2% 23 1008.5 2572.4
FORM/PUB TYPE 2,663 3.9% 420 15.8% 27 524.8 2938.1
DATE 3,133 4.5% 550 17.6% 21 328.5 1428.1
ADDED 730 1.1% 648 88.8% 8 86.0 378.1
CONFERENCE 10 0.0% 5 50.0% 27 149.6 187.7
LANGUAGE 4,068 5.9% 837 20.6% 64 1203.6 7802.8
ISSN 1 0.0% 1 100% 0 0.0 0.0
ISBN 1 0.0% 1 100% 0 0.0 0.0
ID NUMBER 8 0.0% 8 100% 0 0.0 0.0
XXS 109 0.2% 31 28.4% 37 3048.5 11899.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 231 0.3% 62 26.8% 36 529.4 1556.4
AT 4,436 6.4% 858 19.3% 42 1061.9 6801.2
Other indexes 1,724 2.5% 394 22.9% 49 2299.2 13299.4
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 14,445 31.7% 3,640 25.2% 13 662.8 5864.4
Single 31,143 68.3% 6,058 19.4% 27 1187.1 9009.2
PRESENT commands, by type:
MARC 48.8%
OPAC 33.9%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)