MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/05/02 through 01/11/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,698 13,401
2-4 a.m. 915 9,567
4-6 a.m. 983 7,826
6-8 a.m. 2,269 19,408
8-10 a.m. 4,915 55,030
10-12 a.m. 7,779 124,515
12-2 p.m. 7,551 129,985
2-4 p.m. 8,608 164,913
4-6 p.m. 6,090 128,108
6-8 p.m. 2,736 34,350
8-10 p.m. 2,044 29,757
10-12 p.m. 2,259 19,567
__________ _____________ _________________
Total: 47,847 736,427
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 24
Irvine 61
Los Angeles 0
Riverside 0
San Diego 35
San Francisco 1
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 5
Los Alamos 0
MELWEB 31,098
Searchlight 1,443
Other - UC 220
Other-Network UC 14,959
_____
47,847
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 129
Irvine 135
Los Angeles 0
Riverside 0
San Diego 22
San Francisco 22
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 10
Los Alamos 0
MELWEB 703,176
Searchlight 0
Other - UC 2,995
Other-Network UC 29,938
_____
736,427
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
Standard deviation in seconds 0.8
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) 20:02
Average session length (minutes:seconds) 15:17
Longest session recorded (minutes:seconds) 169:45
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 66.2
Retrievals per search - standard deviation 843.9
Percent of searches completed with 0 results 39.1%
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 47,847 20.9%
PRESENT 152,143 66.5%
INIT or CLOSE 28,783 12.6%
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 TITLE20,756 38.5% 7,859 37.9% 6 188.7 1494.6
EXACT PE TITLE 9,910 18.4% 2,234 22.5% 2 37.0 598.3
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 1,538 2.9% 1,435 93.3% 3 19.7 51.4
CORP AUTHOR 2,449 4.5% 2,212 90.3% 6 109.4 603.8
EXACT CORP AUTH 84 0.2% 26 30.9% 18 156.9 287.4
SUBJECT 2,181 4.0% 1,354 62.1% 16 397.2 1241.1
EXACT SUBJECT 207 0.4% 61 29.5% 15 558.2 2305.8
SERIES 53 0.1% 46 86.8% 3 29.7 54.0
EXACT SERIES 3 0.0% 1 33.3% 13 12.5 4.9
CODEN 14 0.0% 4 28.6% 1 1.1 0.3
ISBN 3,414 6.3% 3,414 100% 0 0.0 0.0
LCCN 1,143 2.1% 1,122 98.2% 1 1.3 0.6
ISSN 7,904 14.7% 691 8.7% 1 1.6 1.0
INDEXED BY 0 0.0% 0 0.0% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 58 0.1% 56 96.6% 22 21.5 29.0
GOV'T DOC NUM 3 0.0% 3 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 4,080 7.6% 801 19.6% 2 45.7 482.5
RPE 20 0.0% 10 50.0% 58 131.3 187.7
RXPE 21 0.0% 9 42.9% 4 126.0 362.5
Other indexes 19 0.0% 13 68.4% 109 115.3 74.0
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 5,909 12.3% 2,543 43.0% 2 47.6 492.8
Single 41,938 87.6% 16,179 38.6% 2 116.8 1133.7
PRESENT commands, by type:
MARC 30.8%
OPAC 22.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)