MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/00 through 10/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 26,912 388,130
2-4 a.m. 16,056 223,318
4-6 a.m. 17,472 249,865
6-8 a.m. 29,943 438,442
8-10 a.m. 56,947 1,158,237
10-12 a.m. 94,010 2,281,145
12-2 p.m. 100,854 2,471,603
2-4 p.m. 105,163 2,752,815
4-6 p.m. 79,912 2,062,374
6-8 p.m. 48,453 1,094,748
8-10 p.m. 37,355 883,875
10-12 p.m. 30,858 626,330
__________ _____________ _________________
Total: 643,935 14,630,882
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,495
Davis 366
Irvine 1,110
Los Angeles 443
Riverside 52
San Diego 190
San Francisco 193
Santa Barbara 201
Santa Cruz 179
Lawrence Berkeley 27
Lawrence Livermore 22
Los Alamos 0
MELWEB 451,978
Searchlight 19,607
Other - UC 4,122
Other-Network UC 163,950
_____
643,935
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,517
Davis 4,407
Irvine 6,079
Los Angeles 7,185
Riverside 572
San Diego 3,877
San Francisco 1,621
Santa Barbara 2,450
Santa Cruz 1,848
Lawrence Berkeley 1,292
Lawrence Livermore 176
Los Alamos 0
MELWEB 12,721,615
Searchlight 7,961
Other - UC 65,272
Other-Network UC 1,794,010
_____
14,630,882
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
Standard deviation in seconds 6.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.8
Standard deviation in seconds 2.5
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:27
Average session length (minutes:seconds) 15:41
Longest session recorded (minutes:seconds) 309:43
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 110.5
Retrievals per search - standard deviation 1269.9
Percent of searches completed with 0 results 40.0%
Percent of searches entered that are long 1.7%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 643,935 18.4%
PRESENT 2,556,578 73.1%
INIT or CLOSE 284,927 8.2%
OTHER 9,951 0.3%
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 158186 16.8% 50,385 31.9% 6 71.0 426.6
CORPORATE AUTHOR 5,676 0.6% 2,656 46.8% 8 459.5 4073.0
EXACT CORP. AUT. 1,060 0.1% 341 32.2% 20 889.5 4688.9
TITLE WORD 241480 25.7% 89,652 37.1% 4 61.8 448.8
EXACT TITLE 58,975 6.3% 30,204 51.2% 2 38.4 329.2
SUBJECT 159949 17.0% 82,004 51.3% 29 463.4 2805.5
EXACT SUBJECT 16,866 1.8% 4,396 26.1% 15 236.2 994.5
UNIFORM TITLE 710 0.1% 207 29.2% 3 335.3 1981.5
SERIES 4,219 0.4% 1,112 26.4% 11 131.5 454.9
DATE 12,893 1.4% 4,154 32.2% 11 109.1 1075.3
ADDED SINCE 4,450 0.5% 4,173 93.8% 2 29.4 335.8
LANGUAGE 45,233 4.8% 19,288 42.6% 34 464.7 2983.3
LCCN 2,388 0.3% 1,066 44.6% 1 1.3 1.0
ISBN 46,443 4.9% 22,618 48.7% 1 2.2 53.9
ISSN 730 0.1% 669 91.6% 4 20.0 46.0
DLA ID 960 0.1% 9 0.9% 1 1.0 0.0
MUSIC PUBLISHER 95 0.0% 47 49.5% 9 338.9 1903.4
GOV'T DOC NUM 206 0.0% 63 30.6% 1 22.9 193.5
REPORT NUM 105 0.0% 61 58.1% 1 1.3 0.5
STOCK NUM 19 0.0% 2 10.5% 1 151.1 425.5
GPO ITEM NUM 26 0.0% 20 76.9% 741 649.7 543.2
FORM 18,691 2.0% 6,453 34.5% 12 225.0 1987.6
MUSIC KEY 19 0.0% 10 52.6% 11 17.2 15.6
GEO CLASS 7 0.0% 5 71.4% 31 31.0 0.0
THEMATIC NUMBER 187 0.0% 162 86.6% 5 89.9 335.3
SCALE 5 0.0% 0 0.0% 1,721 11717.6 15351.4
AT 124530 13.3% 50,006 40.2% 10 186.5 1076.1
Other indexes 34,835 3.7% 11,365 32.6% 9 523.6 2448.5
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 219,971 34.2% 90,744 41.3% 6 176.3 1275.9
Single 423,964 65.8% 166557 39.3% 6 188.1 1787.9
PRESENT commands, by type:
MARC 38.2%
OPAC 45.3%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)