MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/01 through 07/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,454 24,257
2-4 a.m. 797 9,871
4-6 a.m. 290 4,280
6-8 a.m. 733 11,226
8-10 a.m. 3,596 113,177
10-12 a.m. 9,317 328,675
12-2 p.m. 11,261 415,135
2-4 p.m. 13,944 517,031
4-6 p.m. 9,017 366,824
6-8 p.m. 3,963 147,431
8-10 p.m. 2,029 76,063
10-12 p.m. 1,629 59,806
__________ _____________ _________________
Total: 58,030 2,073,776
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 478
Davis 61
Irvine 48
Los Angeles 446
Riverside 41
San Diego 340
San Francisco 1,051
Santa Barbara 302
Santa Cruz 96
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 126
Searchlight 3,710
Other - UC 50,526
Other-Network UC 805
_____
58,030
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 7,195
Davis 1,115
Irvine 196
Los Angeles 6,867
Riverside 707
San Diego 3,110
San Francisco 15,754
Santa Barbara 2,915
Santa Cruz 1,252
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 2,012,496
Other-Network UC 22,169
_____
2,073,776
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 4.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 PSYCINFO Database Detailed Statistics
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Median session length (minutes:seconds) 22:18
Average session length (minutes:seconds) 23:17
Longest session recorded (minutes:seconds) 277:44
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 901.7
Retrievals per search - standard deviation 9989.1
Percent of searches completed with 0 results 22.6%
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 58,030 11.6%
PRESENT 423,169 84.3%
INIT or CLOSE 19,342 3.9%
OTHER 1,200 0.2%
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 18,832 21.9% 3,487 18.5% 7 49.7 325.4
TITLE WORD 6,774 7.9% 1,834 27.1% 2 148.4 3317.3
EXACT TITLE 1,297 1.5% 562 43.3% 1 21.5 163.4
JOURNAL 3,410 4.0% 1,157 33.9% 7 939.1 5400.9
EXACT JOURNAL 1,002 1.2% 370 36.9% 122 1568.1 9222.1
SUBJECT 2,239 2.6% 967 43.2% 72 2661.4 10435.7
EXACT SUBJECT 717 0.8% 269 37.5% 72 1403.9 4147.5
KEYWORD 31,496 36.6% 6,890 21.9% 33 1733.6 14703.3
AUTHOR AFFIL 142 0.2% 100 70.4% 6 20.7 33.8
FORM/PUB TYPE 2,493 2.9% 458 18.4% 38 676.1 4022.8
DATE 4,366 5.1% 734 16.8% 12 333.7 1607.7
ADDED 696 0.8% 536 77.0% 2 10.7 27.2
CONFERENCE 3 0.0% 1 33.3% 14 14.0 12.7
LANGUAGE 4,612 5.4% 908 19.7% 62 1362.7 6702.2
ISSN 6 0.0% 5 83.3% 2 2.0 0.0
ISBN 19 0.0% 8 42.1% 10 9.5 8.0
ID NUMBER 19 0.0% 6 31.6% 1 1.0 0.0
XXS 58 0.1% 14 24.1% 44 1611.0 6324.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 325 0.4% 74 22.8% 96 1214.2 5143.7
AT 5,687 6.6% 1,124 19.8% 41 1677.3 8787.0
Other indexes 1,826 2.1% 519 28.4% 45 1896.4 11344.9
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 17,685 30.5% 4,371 24.7% 10 863.1 6367.3
Single 40,345 69.5% 8,718 21.6% 22 1291.1 12865.9
PRESENT commands, by type:
MARC 48.4%
OPAC 31.4%
SPYmm/dd srv.psy MELSRV PSYCINFO DATABASES Z39.50 SERVER STATISTICS (weekly)