MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/06/01 through 01/12/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 999 8,758
2-4 a.m. 644 6,162
4-6 a.m. 610 4,345
6-8 a.m. 1,030 10,584
8-10 a.m. 2,933 53,704
10-12 a.m. 5,232 121,143
12-2 p.m. 5,013 113,717
2-4 p.m. 5,549 119,105
4-6 p.m. 4,818 93,321
6-8 p.m. 2,442 34,022
8-10 p.m. 1,458 24,555
10-12 p.m. 1,538 26,674
__________ _____________ _________________
Total: 32,266 616,090
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 1
Irvine 21
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 22,396
Searchlight 1,962
Other - UC 335
Other-Network UC 7,548
_____
32,266
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 21
Los Angeles 0
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 600,792
Searchlight 0
Other - UC 3,053
Other-Network UC 12,222
_____
616,090
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 1.1
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) 20:19
Average session length (minutes:seconds) 15:55
Longest session recorded (minutes:seconds) 241:50
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 66.7
Retrievals per search - standard deviation 869.7
Percent of searches completed with 0 results 40.7%
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 32,266 19.2%
PRESENT 118,148 70.2%
INIT or CLOSE 17,736 10.5%
OTHER 92 0.1%
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 TITLE15,717 42.0% 5,751 36.6% 4 148.2 1323.6
EXACT PE TITLE 7,794 20.8% 2,017 25.9% 2 34.5 805.1
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 1,112 3.0% 1,014 91.2% 3 7.8 16.8
CORP AUTHOR 1,435 3.8% 1,198 83.5% 6 181.5 753.4
EXACT CORP AUTH 85 0.2% 29 34.1% 2 66.3 222.4
SUBJECT 2,565 6.9% 1,652 64.4% 16 380.8 1490.3
EXACT SUBJECT 230 0.6% 72 31.3% 12 280.3 1281.0
SERIES 45 0.1% 39 86.7% 2 2.5 2.3
EXACT SERIES 8 0.0% 3 37.5% 2 9.6 18.1
CODEN 16 0.0% 7 43.8% 1 1.0 0.0
ISBN 2,112 5.6% 2,108 99.8% 1 1.3 0.5
LCCN 85 0.2% 77 90.6% 1 1.0 0.0
ISSN 2,171 5.8% 161 7.4% 1 1.7 1.3
INDEXED BY 3 0.0% 2 66.7% 1 1.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 36 0.1% 36 100% 0 0.0 0.0
GOV'T DOC NUM 4 0.0% 3 75.0% 50 50.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 0 0.0% 0 0.0% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,931 10.5% 956 24.3% 2 46.1 360.2
RPE 36 0.1% 22 61.1% 7 523.9 1572.3
RXPE 17 0.0% 9 52.9% 6 14.1 19.8
Other indexes 22 0.1% 11 50.0% 200 2581.5 6639.0
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 5,006 15.5% 1,912 38.2% 2 45.9 355.1
Single 27,260 84.5% 11,220 41.2% 3 125.2 1220.6
PRESENT commands, by type:
MARC 28.8%
OPAC 19.7%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)