MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/18/00 through 11/24/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,291 18,328
2-4 a.m. 666 7,158
4-6 a.m. 701 4,535
6-8 a.m. 1,067 14,931
8-10 a.m. 2,909 68,896
10-12 a.m. 5,009 102,028
12-2 p.m. 6,299 123,856
2-4 p.m. 6,825 142,312
4-6 p.m. 5,727 99,086
6-8 p.m. 3,401 63,169
8-10 p.m. 2,686 46,747
10-12 p.m. 2,275 37,195
__________ _____________ _________________
Total: 38,856 728,241
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 61
Los Angeles 0
Riverside 0
San Diego 9
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 28,518
Searchlight 2,939
Other - UC 672
Other-Network UC 6,657
_____
38,856
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 136
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 707,988
Searchlight 0
Other - UC 7,278
Other-Network UC 12,839
_____
728,241
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 1.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:09
Average session length (minutes:seconds) 15:49
Longest session recorded (minutes:seconds) 148:16
Average number of searches completed per session 38856
Retrievals per search - median 1.0
Retrievals per search - average 80.2
Retrievals per search - standard deviation 1147.2
Percent of searches completed with 0 results 40.3%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 38,856 19.3%
PRESENT 139,885 69.4%
INIT or CLOSE 22,691 11.3%
OTHER 44 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 TITLE17,145 37.1% 6,501 37.9% 5 193.9 1884.9
EXACT PE TITLE 8,066 17.5% 1,893 23.5% 2 61.0 1196.4
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 1,202 2.6% 1,094 91.0% 3 33.1 203.6
CORP AUTHOR 1,555 3.4% 1,295 83.3% 6 54.6 174.2
EXACT CORP AUTH 123 0.3% 43 35.0% 3 92.1 210.4
SUBJECT 5,300 11.5% 3,398 64.1% 12 292.9 1253.3
EXACT SUBJECT 473 1.0% 168 35.5% 9 180.2 895.5
SERIES 38 0.1% 32 84.2% 2 7.2 10.8
EXACT SERIES 18 0.0% 8 44.4% 11 95.6 134.1
CODEN 17 0.0% 1 5.9% 1 1.1 0.3
ISBN 1,915 4.1% 1,915 100% 0 0.0 0.0
LCCN 167 0.4% 141 84.4% 1 1.2 0.9
ISSN 4,106 8.9% 315 7.7% 1 1.6 1.0
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 60 0.1% 59 98.3% 1 1.0 0.0
GOV'T DOC NUM 4 0.0% 4 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 3 0.0% 1 33.3% 1 1.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 5,870 12.7% 1,844 31.4% 3 41.8 258.6
RPE 95 0.2% 62 65.3% 5 234.3 862.2
RXPE 32 0.1% 23 71.9% 9 19.9 29.9
Other indexes 19 0.0% 13 68.4% 2,488 10712.0 14696.2
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 7,171 18.5% 2,996 41.8% 3 49.9 527.5
Single 31,685 81.5% 12,667 40.0% 3 152.9 1617.8
PRESENT commands, by type:
MARC 29.1%
OPAC 19.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)