MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/06/02 through 04/12/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,987 31,804
2-4 a.m. 1,926 10,937
4-6 a.m. 1,632 10,461
6-8 a.m. 2,886 26,592
8-10 a.m. 5,579 66,554
10-12 a.m. 9,284 140,762
12-2 p.m. 9,949 181,845
2-4 p.m. 10,485 200,030
4-6 p.m. 8,193 136,906
6-8 p.m. 4,848 73,595
8-10 p.m. 3,275 54,603
10-12 p.m. 2,940 40,452
__________ _____________ _________________
Total: 63,984 974,541
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 31
Davis 7
Irvine 0
Los Angeles 0
Riverside 1
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 43,585
Searchlight 2,175
Other - UC 501
Other-Network UC 17,683
_____
63,984
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 206
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 44
Los Alamos 0
MELWEB 940,372
Searchlight 0
Other - UC 4,832
Other-Network UC 29,087
_____
974,541
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
Standard deviation in seconds 0.9
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) 20:03
Average session length (minutes:seconds) 16:26
Longest session recorded (minutes:seconds) 205:49
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 52.0
Retrievals per search - standard deviation 761.9
Percent of searches completed with 0 results 39.3%
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 63,984 20.3%
PRESENT 212,056 67.4%
INIT or CLOSE 38,722 12.3%
OTHER 63 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 TITLE25,550 36.0% 11,433 44.7% 5 163.0 1400.4
EXACT PE TITLE 11,610 16.3% 2,334 20.1% 2 23.8 630.8
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 1,890 2.7% 1,732 91.6% 3 27.9 88.6
CORP AUTHOR 3,169 4.5% 2,834 89.4% 6 97.6 476.4
EXACT CORP AUTH 92 0.1% 29 31.5% 7 138.6 286.1
SUBJECT 4,083 5.7% 2,629 64.4% 17 403.3 1464.0
EXACT SUBJECT 328 0.5% 100 30.5% 10 698.6 3026.8
SERIES 52 0.1% 41 78.8% 6 75.3 165.0
EXACT SERIES 11 0.0% 5 45.5% 5 20.7 38.9
CODEN 18 0.0% 8 44.4% 1 1.5 0.8
ISBN 4,387 6.2% 4,387 100% 0 0.0 0.0
LCCN 728 1.0% 717 98.5% 2 1.8 0.9
ISSN 14,371 20.2% 1,056 7.3% 1 1.7 1.1
INDEXED BY 2 0.0% 2 100% 0 0.0 0.0
DLA ID 1 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 135 0.2% 132 97.8% 46 31.3 26.3
GOV'T DOC NUM 5 0.0% 4 80.0% 3 3.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 12 0.0% 2 16.7% 5 12.7 19.3
AT 4,514 6.4% 1,131 25.1% 2 54.4 477.1
RPE 60 0.1% 30 50.0% 4 13.1 22.3
RXPE 16 0.0% 10 62.5% 7 28.2 52.1
Other indexes 24 0.0% 13 54.2% 171 566.5 675.9
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 6,949 10.9% 3,392 48.8% 2 54.5 471.6
Single 57,035 89.1% 21,731 38.1% 2 88.7 1013.1
PRESENT commands, by type:
MARC 32.0%
OPAC 20.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)