MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 9,790 80,653
2-4 a.m. 7,428 69,438
4-6 a.m. 7,590 65,951
6-8 a.m. 9,526 99,059
8-10 a.m. 12,893 181,339
10-12 a.m. 16,904 319,141
12-2 p.m. 16,078 298,087
2-4 p.m. 14,976 358,259
4-6 p.m. 10,276 207,558
6-8 p.m. 6,885 118,735
8-10 p.m. 5,298 82,772
10-12 p.m. 6,119 86,555
__________ _____________ _________________
Total: 123,763 1,967,547
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 235
Davis 95
Irvine 82
Los Angeles 325
Riverside 26
San Diego 6
San Francisco 18
Santa Barbara 60
Santa Cruz 9
Lawrence Berkeley 23
Lawrence Livermore 7
Los Alamos 6
MELWEB 18
Searchlight 1
Other - UC 60,729
Other-Network UC 62,123
_____
123,763
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3,751
Davis 946
Irvine 631
Los Angeles 1,620
Riverside 56
San Diego 30
San Francisco 317
Santa Barbara 608
Santa Cruz 34
Lawrence Berkeley 182
Lawrence Livermore 2
Los Alamos 63
MELWEB 476
Searchlight 0
Other - UC 1,484,714
Other-Network UC 474,117
_____
1,967,547
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 5.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 2.2
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 0:19
Average session length (minutes:seconds) 9:20
Longest session recorded (minutes:seconds) 221:33
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 78.9
Retrievals per search - standard deviation 988.2
Percent of searches completed with 0 results 47.4%
Percent of searches entered that are long 1.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 123,763 22.8%
PRESENT 350,269 64.4%
INIT or CLOSE 69,406 12.8%
OTHER 541 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:
PERSONAL AUTHOR 28,285 14.0% 9,190 32.5% 5 59.4 343.5
CORPORATE AUTHOR 927 0.5% 384 41.4% 9 377.7 1646.5
EXACT CORP. AUT. 152 0.1% 32 21.1% 12 566.5 2809.1
TITLE WORD 62,314 30.9% 33,254 53.4% 3 88.6 634.3
EXACT TITLE 11,600 5.8% 5,750 49.6% 2 37.4 318.6
SUBJECT 34,893 17.3% 24,668 70.7% 25 518.0 2904.7
EXACT SUBJECT 1,722 0.9% 354 20.6% 16 204.5 635.9
UNIFORM TITLE 78 0.0% 27 34.6% 4 162.2 651.9
SERIES 528 0.3% 189 35.8% 13 173.8 586.7
DATE 1,984 1.0% 742 37.4% 12 69.2 240.6
ADDED SINCE 1,151 0.6% 1,107 96.2% 1 9.0 21.8
LANGUAGE 4,203 2.1% 1,653 39.3% 33 656.5 3770.6
LCCN 752 0.4% 181 24.1% 1 1.4 2.7
ISBN 10,971 5.4% 5,955 54.3% 1 1.3 17.7
ISSN 302 0.1% 268 88.7% 8 15.4 30.6
DLA ID 178 0.1% 3 1.7% 1 1.0 0.0
MUSIC PUBLISHER 90 0.0% 50 55.6% 3 256.3 697.8
GOV'T DOC NUM 22 0.0% 7 31.8% 1 1.3 0.5
REPORT NUM 13 0.0% 6 46.2% 1 1.4 0.5
STOCK NUM 2 0.0% 0 0.0% 128 128.0 179.6
GPO ITEM NUM 7 0.0% 7 100% 0 0.0 0.0
FORM 2,313 1.1% 794 34.3% 9 208.2 2312.2
MUSIC KEY 0 0.0% 0 0.0% 0 0.0 0.0
GEO CLASS 1 0.0% 0 0.0% 18 18.0 0.0
THEMATIC NUMBER 16 0.0% 13 81.3% 1 6.3 9.2
SCALE 0 0.0% 0 0.0% 0 0.0 0.0
AT 10,896 5.4% 4,539 41.7% 9 164.3 827.3
Other indexes 27,981 13.9% 20,218 72.3% 10 318.4 1618.2
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 49,655 40.1% 29,461 59.3% 4 189.8 1494.8
Single 74,108 59.9% 29,183 39.4% 5 132.0 1292.1
PRESENT commands, by type:
MARC 43.1%
OPAC 38.1%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)