MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/99 through 01/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,819 13,242
2-4 a.m. 1,701 5,155
4-6 a.m. 1,693 6,812
6-8 a.m. 2,118 14,256
8-10 a.m. 5,751 59,639
10-12 a.m. 10,438 110,067
12-2 p.m. 11,201 113,080
2-4 p.m. 12,360 123,730
4-6 p.m. 10,181 96,563
6-8 p.m. 5,260 50,178
8-10 p.m. 4,078 32,026
10-12 p.m. 2,999 24,779
__________ _____________ _________________
Total: 69,599 649,527
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 12
Davis 1
Irvine 1,019
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 58,698
Other - UC 1,082
Other-Network UC 8,785
_____
69,599
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 140
Davis 20
Irvine 4,499
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 611,882
Other - UC 6,949
Other-Network UC 26,037
_____
649,527
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 4.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:55
Average session length (minutes:seconds) 21:30
Longest session recorded (minutes:seconds) 281:30
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 88.4
Retrievals per search - standard deviation 1526.4
Percent of searches completed with 0 results 41.5%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 69,599 25.2%
PRESENT 184,633 67.0%
INIT or CLOSE 21,184 7.7%
OTHER 245 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 TITLE31,841 36.3% 10,132 31.8% 5 173.2 1751.1
EXACT PE TITLE 19,163 21.8% 5,464 28.5% 2 44.1 963.3
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 1,942 2.2% 1,775 91.4% 3 35.8 183.5
CORP AUTHOR 2,805 3.2% 2,230 79.5% 9 178.4 709.8
EXACT CORP AUTH 183 0.2% 62 33.9% 3 35.9 128.1
SUBJECT 11,403 13.0% 7,817 68.6% 18 416.6 4720.2
EXACT SUBJECT 859 1.0% 352 41.0% 7 278.4 1647.2
SERIES 186 0.2% 113 60.8% 5 93.5 347.1
EXACT SERIES 33 0.0% 21 63.6% 6 119.6 218.8
CODEN 15 0.0% 13 86.7% 1 1.0 0.0
ISBN 2,650 3.0% 2,650 100% 0 0.0 0.0
LCCN 9 0.0% 9 100% 0 0.0 0.0
ISSN 566 0.6% 112 19.8% 2 2.2 4.4
INDEXED BY 11 0.0% 10 90.9% 391 391.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 3 0.0% 2 66.7% 2 2.0 0.0
GOV'T DOC NUM 42 0.0% 33 78.6% 2 3817.2 11366.3
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 10 0.0% 10 100% 0 0.0 0.0
GPO ITEM NUM 12 0.0% 6 50.0% 2 2.0 0.0
AT 15,748 17.9% 6,085 38.6% 2 87.9 2825.1
RPE 253 0.3% 165 65.2% 8 510.5 2435.0
RXPE 77 0.1% 40 51.9% 5 45.6 132.3
Other indexes 1 0.0% 1 100% 0 0.0 0.0
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 17,696 25.4% 7,753 43.8% 2 90.6 2806.2
Single 51,903 74.6% 21,137 40.7% 4 170.6 1646.9
PRESENT commands, by type:
MARC 46.6%
OPAC 29.7%