MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/27/01 through 02/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 981 16,938
2-4 a.m. 538 9,154
4-6 a.m. 581 6,195
6-8 a.m. 1,162 12,964
8-10 a.m. 3,110 60,095
10-12 a.m. 6,608 150,607
12-2 p.m. 7,107 139,265
2-4 p.m. 8,192 178,361
4-6 p.m. 6,067 111,108
6-8 p.m. 3,444 63,166
8-10 p.m. 3,056 44,745
10-12 p.m. 1,801 36,360
__________ _____________ _________________
Total: 42,647 828,958
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 80
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 33,225
Searchlight 3,329
Other - UC 378
Other-Network UC 5,634
_____
42,647
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 149
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 810,781
Searchlight 0
Other - UC 3,998
Other-Network UC 14,030
_____
828,958
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 1.5
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) 20:16
Average session length (minutes:seconds) 16:37
Longest session recorded (minutes:seconds) 164:21
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 79.0
Retrievals per search - standard deviation 829.0
Percent of searches completed with 0 results 36.6%
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 42,647 18.8%
PRESENT 160,323 70.7%
INIT or CLOSE 23,804 10.5%
OTHER 93 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 TITLE20,368 40.5% 7,153 35.1% 5 189.9 1359.5
EXACT PE TITLE 9,769 19.4% 2,264 23.2% 2 29.6 381.8
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 1,040 2.1% 927 89.1% 3 11.3 21.6
CORP AUTHOR 2,114 4.2% 1,844 87.2% 6 139.3 846.9
EXACT CORP AUTH 125 0.2% 52 41.6% 7 142.8 361.7
SUBJECT 4,523 9.0% 2,884 63.8% 13 298.2 1255.3
EXACT SUBJECT 487 1.0% 174 35.7% 6 230.3 1219.4
SERIES 74 0.1% 64 86.5% 3 7.2 10.3
EXACT SERIES 24 0.0% 14 58.3% 23 91.0 126.9
CODEN 11 0.0% 4 36.4% 1 1.4 0.5
ISBN 920 1.8% 919 99.9% 3 3.0 0.0
LCCN 85 0.2% 80 94.1% 1 1.0 0.0
ISSN 4,253 8.4% 275 6.5% 1 1.7 1.2
INDEXED BY 9 0.0% 9 100% 0 0.0 0.0
DLA ID 2 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 14 0.0% 12 85.7% 1 1.0 0.0
GOV'T DOC NUM 5 0.0% 4 80.0% 9,814 9814.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 5 0.0% 4 80.0% 1 1.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 6,328 12.6% 1,797 28.4% 3 47.7 296.7
RPE 110 0.2% 73 66.4% 8 60.1 131.4
RXPE 23 0.0% 16 69.6% 5 204.9 527.0
Other indexes 44 0.1% 25 56.8% 100 1264.6 2726.4
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 7,521 17.6% 2,865 38.1% 3 49.5 327.6
Single 35,126 82.4% 12,723 36.2% 3 140.2 1130.4
PRESENT commands, by type:
MARC 29.6%
OPAC 21.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)