MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/29/01 through 10/05/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,182 12,074
2-4 a.m. 679 4,913
4-6 a.m. 814 7,962
6-8 a.m. 1,590 14,953
8-10 a.m. 4,918 72,787
10-12 a.m. 7,286 134,698
12-2 p.m. 7,162 142,238
2-4 p.m. 7,878 167,016
4-6 p.m. 5,626 114,921
6-8 p.m. 2,898 56,336
8-10 p.m. 1,754 49,472
10-12 p.m. 1,355 58,408
__________ _____________ _________________
Total: 43,142 835,778
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 2
Irvine 43
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 33,054
Other-Network UC 10,042
_____
43,142
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 1
Irvine 78
Los Angeles 0
Riverside 0
San Diego 18
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 818,017
Other-Network UC 17,664
_____
835,778
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 2.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:13
Average session length (minutes:seconds) 16:21
Longest session recorded (minutes:seconds) 228:15
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 86.8
Retrievals per search - standard deviation 1036.7
Percent of searches completed with 0 results 38.9%
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 43,142 18.5%
PRESENT 164,727 70.7%
INIT or CLOSE 25,052 10.8%
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 TITLE20,014 40.6% 7,815 39.0% 5 233.3 1671.6
EXACT PE TITLE 9,693 19.6% 2,162 22.3% 2 43.0 1012.7
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 1,265 2.6% 1,163 91.9% 2 6.8 12.5
CORP AUTHOR 2,649 5.4% 2,345 88.5% 8 72.2 418.8
EXACT CORP AUTH 89 0.2% 27 30.3% 4 79.3 219.9
SUBJECT 3,392 6.9% 2,090 61.6% 14 359.9 1609.4
EXACT SUBJECT 318 0.6% 93 29.2% 11 304.0 1556.0
SERIES 63 0.1% 59 93.6% 6 9.5 11.8
EXACT SERIES 9 0.0% 5 55.6% 3 27.0 50.0
CODEN 15 0.0% 1 6.7% 1 1.6 1.4
ISBN 1,906 3.9% 1,906 100% 0 0.0 0.0
LCCN 381 0.8% 378 99.2% 3 2.3 1.2
ISSN 5,090 10.3% 322 6.3% 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 4 0.0% 3 75.0% 11 11.0 0.0
GOV'T DOC NUM 5 0.0% 5 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,346 8.8% 1,013 23.3% 2 44.1 310.3
RPE 54 0.1% 38 70.4% 3 11.2 20.0
RXPE 12 0.0% 7 58.3% 3 163.4 357.0
Other indexes 23 0.0% 18 78.3% 22 1399.0 3090.8
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 6,061 14.0% 2,576 42.5% 2 42.7 303.6
Single 37,081 85.9% 14,196 38.3% 3 157.2 1414.7
PRESENT commands, by type:
MARC 29.9%
OPAC 18.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)