MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/09/00 through 12/15/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 947 9,555
2-4 a.m. 633 5,393
4-6 a.m. 661 5,326
6-8 a.m. 1,076 14,139
8-10 a.m. 2,586 61,470
10-12 a.m. 4,800 99,755
12-2 p.m. 5,079 111,714
2-4 p.m. 5,413 121,426
4-6 p.m. 3,974 73,639
6-8 p.m. 2,628 44,863
8-10 p.m. 1,483 38,947
10-12 p.m. 1,569 22,937
__________ _____________ _________________
Total: 30,849 609,164
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 135
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 21,183
Searchlight 2,023
Other - UC 370
Other-Network UC 7,138
_____
30,849
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 232
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 594,174
Searchlight 0
Other - UC 2,760
Other-Network UC 11,998
_____
609,164
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 2.4
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) 20:08
Average session length (minutes:seconds) 14:56
Longest session recorded (minutes:seconds) 151:13
Average number of searches completed per session 10283
Retrievals per search - median 1.0
Retrievals per search - average 63.0
Retrievals per search - standard deviation 832.7
Percent of searches completed with 0 results 40.2%
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 30,849 18.5%
PRESENT 117,840 70.7%
INIT or CLOSE 17,869 10.7%
OTHER 43 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 TITLE13,946 39.6% 5,356 38.4% 5 150.5 1416.9
EXACT PE TITLE 7,906 22.5% 1,892 23.9% 2 28.8 379.9
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 1,122 3.2% 1,020 90.9% 3 25.7 132.4
CORP AUTHOR 1,281 3.6% 1,100 85.9% 7 161.8 674.0
EXACT CORP AUTH 81 0.2% 31 38.3% 14 131.3 227.1
SUBJECT 2,418 6.9% 1,521 62.9% 21 425.4 1714.2
EXACT SUBJECT 249 0.7% 82 32.9% 7 276.8 1255.0
SERIES 31 0.1% 23 74.2% 20 29.1 34.1
EXACT SERIES 10 0.0% 4 40.0% 12 211.7 371.3
CODEN 11 0.0% 4 36.4% 1 1.1 0.4
ISBN 1,899 5.4% 1,898 99.9% 7 7.0 0.0
LCCN 83 0.2% 67 80.7% 1 1.0 0.0
ISSN 2,733 7.8% 215 7.9% 1 1.7 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 38 0.1% 38 100% 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 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 3,288 9.3% 697 21.2% 2 34.9 228.3
RPE 50 0.1% 37 74.0% 6 470.7 1631.7
RXPE 17 0.0% 12 70.6% 5 13.8 22.2
Other indexes 13 0.0% 11 84.6% 1,005 1004.5 1109.5
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 4,243 13.8% 1,533 36.1% 2 33.9 223.6
Single 26,606 86.2% 10,867 40.8% 3 117.7 1159.4
PRESENT commands, by type:
MARC 28.3%
OPAC 19.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)