MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/24/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,137 33,537
2-4 a.m. 1,179 12,439
4-6 a.m. 1,159 9,168
6-8 a.m. 2,372 24,741
8-10 a.m. 5,507 93,430
10-12 a.m. 10,075 184,546
12-2 p.m. 10,860 190,016
2-4 p.m. 12,103 209,142
4-6 p.m. 10,181 156,284
6-8 p.m. 5,431 86,048
8-10 p.m. 4,281 62,972
10-12 p.m. 3,297 49,210
__________ _____________ _________________
Total: 68,582 1,111,533
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 20
Davis 1
Irvine 78
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 2
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 55,449
Other-Network UC 13,030
_____
68,582
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 40
Davis 0
Irvine 164
Los Angeles 3
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 16
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 1,089,577
Other-Network UC 21,733
_____
1,111,533
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 3.8
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) 20:07
Average session length (minutes:seconds) 16:27
Longest session recorded (minutes:seconds) 201:49
Average number of searches completed per session 22861
Retrievals per search - median 1.0
Retrievals per search - average 84.4
Retrievals per search - standard deviation 1270.1
Percent of searches completed with 0 results 37.8%
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 68,582 20.1%
PRESENT 231,012 67.6%
INIT or CLOSE 42,002 12.3%
OTHER 101 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 TITLE28,015 35.6% 11,118 39.7% 5 243.1 2186.8
EXACT PE TITLE 14,425 18.3% 3,641 25.2% 2 57.7 1475.7
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 1,557 2.0% 1,418 91.1% 3 241.4 1890.8
CORP AUTHOR 3,012 3.8% 2,582 85.7% 7 167.4 1172.8
EXACT CORP AUTH 192 0.2% 101 52.6% 10 476.5 2329.8
SUBJECT 7,397 9.4% 4,493 60.7% 12 286.6 1186.9
EXACT SUBJECT 556 0.7% 187 33.6% 9 465.0 2161.9
SERIES 81 0.1% 60 74.1% 83 466.3 830.3
EXACT SERIES 18 0.0% 10 55.6% 21 248.8 556.9
CODEN 22 0.0% 9 40.9% 1 1.5 0.9
ISBN 2,697 3.4% 2,695 99.9% 381 380.5 536.7
LCCN 788 1.0% 740 93.9% 1 1.1 0.4
ISSN 11,997 15.3% 834 7.0% 1 1.6 1.1
INDEXED BY 9 0.0% 9 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 61 0.1% 61 100% 0 0.0 0.0
GOV'T DOC NUM 9 0.0% 9 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 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 7,588 9.7% 2,223 29.3% 2 56.5 402.0
RPE 111 0.1% 83 74.8% 16 61.4 119.9
RXPE 27 0.0% 21 77.8% 8 7.8 6.4
Other indexes 39 0.0% 23 59.0% 238 922.3 1804.0
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 9,779 14.3% 4,161 42.5% 2 61.5 494.1
Single 58,803 85.7% 21,791 37.1% 2 147.1 1715.6
PRESENT commands, by type:
MARC 31.1%
OPAC 21.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)