MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/02/01 through 06/08/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,269 18,713
2-4 a.m. 986 12,995
4-6 a.m. 1,224 7,939
6-8 a.m. 1,524 14,814
8-10 a.m. 3,577 55,088
10-12 a.m. 6,020 122,629
12-2 p.m. 7,332 133,107
2-4 p.m. 7,932 145,473
4-6 p.m. 6,121 111,132
6-8 p.m. 3,880 56,921
8-10 p.m. 3,053 50,331
10-12 p.m. 2,544 28,158
__________ _____________ _________________
Total: 46,462 757,300
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 79
Los Angeles 11
Riverside 0
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 33,171
Searchlight 3,400
Other - UC 146
Other-Network UC 9,651
_____
46,462
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 105
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 738,673
Searchlight 0
Other - UC 809
Other-Network UC 17,713
_____
757,300
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 2.8
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) 20:06
Average session length (minutes:seconds) 15:50
Longest session recorded (minutes:seconds) 233:53
Average number of searches completed per session 46462
Retrievals per search - median 1.0
Retrievals per search - average 70.7
Retrievals per search - standard deviation 855.1
Percent of searches completed with 0 results 37.6%
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 46,462 20.4%
PRESENT 154,200 67.9%
INIT or CLOSE 26,487 11.7%
OTHER 71 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 TITLE20,198 38.0% 7,844 38.8% 5 199.7 1539.8
EXACT PE TITLE 10,861 20.4% 2,662 24.5% 2 21.4 335.7
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 1,421 2.7% 1,269 89.3% 2 24.3 154.4
CORP AUTHOR 1,944 3.7% 1,636 84.2% 10 217.5 1065.8
EXACT CORP AUTH 105 0.2% 38 36.2% 9 111.6 219.4
SUBJECT 4,208 7.9% 2,675 63.6% 13 285.2 1105.1
EXACT SUBJECT 344 0.6% 118 34.3% 7 484.7 2180.4
SERIES 33 0.1% 30 90.9% 1 2.3 2.3
EXACT SERIES 21 0.0% 12 57.1% 1 68.4 134.5
CODEN 40 0.1% 13 32.5% 1 1.2 0.4
ISBN 2,026 3.8% 2,026 100% 0 0.0 0.0
LCCN 52 0.1% 43 82.7% 1 1.4 0.5
ISSN 6,722 12.6% 491 7.3% 1 1.6 1.0
INDEXED BY 14 0.0% 14 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 45 0.1% 1 2.2% 53 52.1 5.1
GOV'T DOC NUM 7 0.0% 7 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 9 0.0% 9 100% 0 0.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 4,990 9.4% 1,360 27.3% 2 35.6 193.4
RPE 55 0.1% 42 76.4% 19 172.7 492.4
RXPE 29 0.1% 17 58.6% 8 19.5 39.0
Other indexes 33 0.1% 23 69.7% 19 308.0 505.0
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 6,524 14.0% 2,695 41.3% 2 34.6 188.8
Single 39,938 86.0% 14,788 37.0% 2 125.3 1157.0
PRESENT commands, by type:
MARC 32.1%
OPAC 21.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)