MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/02/02 through 02/08/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,623 14,746
2-4 a.m. 1,084 10,056
4-6 a.m. 1,302 12,333
6-8 a.m. 8,298 22,604
8-10 a.m. 7,678 88,699
10-12 a.m. 10,150 159,711
12-2 p.m. 9,832 155,543
2-4 p.m. 11,409 197,947
4-6 p.m. 8,300 149,816
6-8 p.m. 4,660 83,312
8-10 p.m. 3,325 62,644
10-12 p.m. 2,588 46,857
__________ _____________ _________________
Total: 70,249 1,004,268
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 0
Irvine 118
Los Angeles 0
Riverside 1
San Diego 0
San Francisco 0
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 5
Los Alamos 0
MELWEB 45,348
Searchlight 2,652
Other - UC 406
Other-Network UC 21,709
_____
70,249
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 455
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 68
Los Alamos 0
MELWEB 967,247
Searchlight 0
Other - UC 3,162
Other-Network UC 33,336
_____
1,004,268
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 1.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:04
Average session length (minutes:seconds) 15:58
Longest session recorded (minutes:seconds) 151:06
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 51.6
Retrievals per search - standard deviation 841.6
Percent of searches completed with 0 results 37.3%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 70,249 21.6%
PRESENT 215,185 66.3%
INIT or CLOSE 39,082 12.0%
OTHER 78 0.0%
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:
PERIODICAL TITLE26,970 33.9% 11,046 41.0% 5 165.3 1538.0
EXACT PE TITLE 12,431 15.6% 2,796 22.5% 2 40.6 979.1
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 1,760 2.2% 1,660 94.3% 3 24.6 91.5
CORP AUTHOR 3,443 4.3% 3,067 89.1% 6 91.9 474.8
EXACT CORP AUTH 164 0.2% 86 52.4% 8 193.8 506.5
SUBJECT 4,834 6.1% 3,122 64.6% 11 262.2 992.8
EXACT SUBJECT 400 0.5% 133 33.2% 7 191.8 1264.7
SERIES 68 0.1% 57 83.8% 14 142.5 300.6
EXACT SERIES 12 0.0% 5 41.7% 3 7.3 9.3
CODEN 29 0.0% 10 34.5% 1 1.3 0.6
ISBN 3,071 3.9% 3,070 100% 1 1.0 0.0
LCCN 700 0.9% 679 97.0% 1 1.0 0.2
ISSN 18,898 23.8% 2,887 15.3% 1 1.6 1.0
INDEXED BY 8 0.0% 7 87.5% 453 453.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 13 0.0% 11 84.6% 10 9.5 12.0
GOV'T DOC NUM 12 0.0% 12 100% 0 0.0 0.0
REPORT NUM 9 0.0% 9 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 6 0.0% 3 50.0% 1 1.7 1.2
AT 6,493 8.2% 1,757 27.1% 2 32.4 202.1
RPE 79 0.1% 44 55.7% 7 84.3 202.7
RXPE 22 0.0% 12 54.5% 16 27.8 48.7
Other indexes 37 0.0% 27 73.0% 629 3719.7 6197.5
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 9,007 12.8% 4,087 45.4% 2 35.4 298.4
Single 61,242 87.2% 22,141 36.2% 2 88.2 1121.7
PRESENT commands, by type:
MARC 33.6%
OPAC 20.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)