MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/00 through 12/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 18,494 264,029
2-4 a.m. 13,651 205,929
4-6 a.m. 14,267 184,197
6-8 a.m. 22,175 297,639
8-10 a.m. 37,512 738,446
10-12 a.m. 60,032 1,365,626
12-2 p.m. 60,838 1,492,061
2-4 p.m. 61,609 1,609,619
4-6 p.m. 48,259 1,252,851
6-8 p.m. 28,499 629,259
8-10 p.m. 21,004 544,721
10-12 p.m. 21,900 400,787
__________ _____________ _________________
Total: 408,240 8,985,164
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,448
Davis 299
Irvine 872
Los Angeles 630
Riverside 27
San Diego 326
San Francisco 227
Santa Barbara 98
Santa Cruz 191
Lawrence Berkeley 35
Lawrence Livermore 6
Los Alamos 1
MELWEB 255,349
Searchlight 9,626
Other - UC 2,708
Other-Network UC 136,397
_____
408,240
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 13,284
Davis 4,597
Irvine 6,689
Los Angeles 10,558
Riverside 257
San Diego 2,356
San Francisco 1,001
Santa Barbara 1,406
Santa Cruz 3,544
Lawrence Berkeley 216
Lawrence Livermore 14
Los Alamos 66
MELWEB 7,460,620
Searchlight 4,920
Other - UC 38,747
Other-Network UC 1,436,889
_____
8,985,164
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 6.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 3.1
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:02
Average session length (minutes:seconds) 13:59
Longest session recorded (minutes:seconds) 511:44
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 100.9
Retrievals per search - standard deviation 2217.0
Percent of searches completed with 0 results 39.4%
Percent of searches entered that are long 1.6%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 408,240 18.9%
PRESENT 1,558,839 72.1%
INIT or CLOSE 191,898 8.9%
OTHER 3,050 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 102440 18.0% 31,881 31.1% 6 69.0 399.7
CORPORATE AUTHOR 3,772 0.7% 1,707 45.3% 6 450.5 4093.7
EXACT CORP. AUT. 550 0.1% 155 28.2% 15 782.2 5134.5
TITLE WORD 160253 28.2% 59,246 37.0% 3 58.7 794.0
EXACT TITLE 40,326 7.1% 18,981 47.1% 2 35.6 456.9
SUBJECT 83,433 14.7% 43,521 52.2% 28 517.2 6755.3
EXACT SUBJECT 8,236 1.4% 1,741 21.1% 16 269.1 2348.3
UNIFORM TITLE 377 0.1% 86 22.8% 4 385.3 1589.0
SERIES 2,735 0.5% 760 27.8% 7 117.5 500.5
DATE 6,911 1.2% 2,191 31.7% 10 131.0 1743.5
ADDED SINCE 1,561 0.3% 1,364 87.4% 2 112.8 896.2
LANGUAGE 20,933 3.7% 8,504 40.6% 33 450.6 2404.8
LCCN 1,613 0.3% 699 43.3% 1 1.3 1.4
ISBN 32,503 5.7% 17,268 53.1% 1 2.1 78.8
ISSN 571 0.1% 526 92.1% 6 28.5 85.2
DLA ID 444 0.1% 3 0.7% 1 1.0 0.0
MUSIC PUBLISHER 63 0.0% 20 31.7% 4 670.6 2856.9
GOV'T DOC NUM 128 0.0% 35 27.3% 1 1.7 2.0
REPORT NUM 53 0.0% 34 64.1% 1 1.2 0.4
STOCK NUM 12 0.0% 0 0.0% 1 75.8 258.9
GPO ITEM NUM 18 0.0% 12 66.7% 650 3062.5 6378.3
FORM 9,071 1.6% 3,004 33.1% 11 199.7 1874.1
MUSIC KEY 4 0.0% 2 50.0% 11 10.5 0.7
GEO CLASS 0 0.0% 0 0.0% 0 0.0 0.0
THEMATIC NUMBER 89 0.0% 71 79.8% 10 51.3 133.0
SCALE 6 0.0% 4 66.7% 2 2.0 1.4
AT 61,125 10.8% 23,497 38.4% 9 169.9 961.7
Other indexes 30,973 5.5% 10,919 35.3% 8 370.3 2083.1
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 123,708 30.3% 50,285 40.6% 5 160.0 1581.9
Single 284,532 69.7% 110629 38.9% 6 169.3 3235.2
PRESENT commands, by type:
MARC 38.6%
OPAC 44.6%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)