MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/06/01 through 10/12/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,739 24,267
2-4 a.m. 905 7,082
4-6 a.m. 932 8,748
6-8 a.m. 1,570 19,224
8-10 a.m. 4,466 80,834
10-12 a.m. 8,057 158,975
12-2 p.m. 8,464 144,215
2-4 p.m. 9,678 176,962
4-6 p.m. 6,629 118,140
6-8 p.m. 3,848 62,663
8-10 p.m. 2,872 55,583
10-12 p.m. 2,150 39,261
__________ _____________ _________________
Total: 51,310 895,954
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 6
Davis 6
Irvine 64
Los Angeles 0
Riverside 0
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 40,287
Other-Network UC 10,943
_____
51,310
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 21
Davis 1
Irvine 118
Los Angeles 0
Riverside 0
San Diego 7
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 876,363
Other-Network UC 19,444
_____
895,954
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 1.1
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) 20:12
Average session length (minutes:seconds) 16:47
Longest session recorded (minutes:seconds) 209:15
Average number of searches completed per session 17103
Retrievals per search - median 1.0
Retrievals per search - average 74.3
Retrievals per search - standard deviation 921.3
Percent of searches completed with 0 results 38.1%
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 51,310 19.5%
PRESENT 181,931 69.0%
INIT or CLOSE 30,214 11.5%
OTHER 102 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 TITLE22,836 39.0% 8,740 38.3% 5 203.1 1609.7
EXACT PE TITLE 11,021 18.8% 2,697 24.5% 2 34.7 612.5
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 1,492 2.5% 1,373 92.0% 2 9.8 24.5
CORP AUTHOR 2,552 4.4% 2,243 87.9% 5 104.6 524.6
EXACT CORP AUTH 104 0.2% 35 33.7% 8 130.9 267.1
SUBJECT 4,509 7.7% 2,768 61.4% 13 298.1 1222.8
EXACT SUBJECT 396 0.7% 116 29.3% 9 289.3 1609.8
SERIES 56 0.1% 50 89.3% 3 25.0 54.4
EXACT SERIES 8 0.0% 3 37.5% 43 92.8 140.9
CODEN 17 0.0% 3 17.6% 1 1.3 0.5
ISBN 2,552 4.4% 2,550 99.9% 2 2.0 1.4
LCCN 182 0.3% 174 95.6% 1 1.1 0.4
ISSN 7,469 12.7% 478 6.4% 1 1.6 1.0
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 17 0.0% 15 88.2% 13 13.0 17.0
GOV'T DOC NUM 8 0.0% 8 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 3 0.0% 2 66.7% 154 154.0 0.0
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 5,262 9.0% 1,327 25.2% 2 37.8 199.2
RPE 70 0.1% 45 64.3% 31 227.6 775.9
RXPE 17 0.0% 6 35.3% 3 48.7 84.3
Other indexes 33 0.1% 21 63.6% 793 1026.5 1112.0
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 7,176 14.0% 3,032 42.3% 2 38.8 215.6
Single 44,134 86.0% 16,492 37.4% 2 132.1 1249.5
PRESENT commands, by type:
MARC 30.4%
OPAC 20.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)