MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/00 through 10/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 5,925 83,355
2-4 a.m. 2,949 53,210
4-6 a.m. 2,488 20,401
6-8 a.m. 5,028 84,990
8-10 a.m. 14,737 349,070
10-12 a.m. 27,765 634,256
12-2 p.m. 29,895 640,327
2-4 p.m. 33,405 730,161
4-6 p.m. 25,652 536,910
6-8 p.m. 14,982 288,030
8-10 p.m. 10,721 240,833
10-12 p.m. 7,396 150,264
__________ _____________ _________________
Total: 180,943 3,811,807
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 7
Davis 0
Irvine 861
Los Angeles 9
Riverside 0
San Diego 10
San Francisco 5
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 135,349
Searchlight 14,119
Other - UC 2,691
Other-Network UC 27,892
_____
180,943
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 32
Davis 0
Irvine 2,377
Los Angeles 12,774
Riverside 0
San Diego 31
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,715,070
Searchlight 0
Other - UC 23,956
Other-Network UC 57,559
_____
3,811,807
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) 20:20
Average session length (minutes:seconds) 16:26
Longest session recorded (minutes:seconds) 221:48
Average number of searches completed per session 18094
Retrievals per search - median 1.0
Retrievals per search - average 77.0
Retrievals per search - standard deviation 1015.0
Percent of searches completed with 0 results 37.9%
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 180,943 17.9%
PRESENT 730,460 72.2%
INIT or CLOSE 99,500 9.8%
OTHER 1,016 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 TITLE85,988 40.3% 30,182 35.1% 5 165.2 1428.4
EXACT PE TITLE 40,759 19.1% 10,319 25.3% 2 50.6 1142.6
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 4,658 2.2% 4,195 90.1% 3 20.6 83.3
CORP AUTHOR 6,306 3.0% 5,138 81.5% 8 141.3 627.4
EXACT CORP AUTH 501 0.2% 217 43.3% 6 151.7 450.5
SUBJECT 20,817 9.8% 12,967 62.3% 14 328.8 1918.5
EXACT SUBJECT 1,861 0.9% 575 30.9% 8 231.9 1127.9
SERIES 212 0.1% 185 87.3% 7 18.9 29.9
EXACT SERIES 61 0.0% 24 39.3% 22 71.0 104.0
CODEN 84 0.0% 26 30.9% 1 1.1 0.3
ISBN 8,348 3.9% 8,348 100% 0 0.0 0.0
LCCN 282 0.1% 257 91.1% 1 1.1 0.3
ISSN 16,619 7.8% 1,163 7.0% 1 1.7 1.1
INDEXED BY 34 0.0% 33 97.1% 298 298.0 0.0
DLA ID 1 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 80 0.0% 62 77.5% 3 14.8 18.3
GOV'T DOC NUM 42 0.0% 39 92.9% 15 23.0 24.0
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 13 0.0% 11 84.6% 30 30.0 26.9
GPO ITEM NUM 5 0.0% 4 80.0% 4 4.0 0.0
AT 25,821 12.1% 7,227 28.0% 3 43.2 318.9
RPE 426 0.2% 267 62.7% 6 175.1 780.1
RXPE 124 0.1% 74 59.7% 4 42.3 198.5
Other indexes 157 0.1% 109 69.4% 622 1497.7 2283.9
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 31,314 17.3% 11,957 38.2% 2 43.2 320.1
Single 149,629 82.7% 56,660 37.9% 3 140.9 1405.4
PRESENT commands, by type:
MARC 29.6%
OPAC 18.4%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)