MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 02/09/02 through 02/15/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 6,507 80,614
2-4 a.m. 5,010 60,942
4-6 a.m. 5,463 59,187
6-8 a.m. 9,697 114,007
8-10 a.m. 17,197 305,999
10-12 a.m. 26,008 681,703
12-2 p.m. 26,372 775,537
2-4 p.m. 25,857 754,077
4-6 p.m. 18,925 557,766
6-8 p.m. 10,958 309,638
8-10 p.m. 8,012 202,116
10-12 p.m. 6,793 145,441
__________ _____________ _________________
Total: 166,799 4,047,027
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 357
Davis 166
Irvine 109
Los Angeles 125
Riverside 40
San Diego 19
San Francisco 18
Santa Barbara 98
Santa Cruz 7
Lawrence Berkeley 67
Lawrence Livermore 146
Los Alamos 0
MELWEB 110,316
Searchlight 3,717
Other - UC 432
Other-Network UC 51,182
_____
166,799
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3,766
Davis 2,791
Irvine 671
Los Angeles 1,988
Riverside 130
San Diego 426
San Francisco 102
Santa Barbara 276
Santa Cruz 282
Lawrence Berkeley 685
Lawrence Livermore 736
Los Alamos 0
MELWEB 3,545,672
Searchlight 1,196
Other - UC 8,355
Other-Network UC 479,951
_____
4,047,027
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 5.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 3.9
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:09
Average session length (minutes:seconds) 14:27
Longest session recorded (minutes:seconds) 275:11
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 89.4
Retrievals per search - standard deviation 1244.3
Percent of searches completed with 0 results 39.1%
Percent of searches entered that are long 1.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 166,799 17.8%
PRESENT 693,360 74.0%
INIT or CLOSE 75,741 8.1%
OTHER 725 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 39,943 17.0% 12,675 31.7% 6 68.6 395.3
CORPORATE AUTHOR 1,048 0.4% 486 46.4% 8 330.1 1160.1
EXACT CORP. AUT. 267 0.1% 44 16.5% 19 623.0 3042.1
TITLE WORD 62,816 26.7% 22,605 36.0% 4 64.8 448.0
EXACT TITLE 16,740 7.1% 7,691 45.9% 2 36.2 358.3
SUBJECT 36,551 15.5% 18,227 49.9% 29 442.7 2446.7
EXACT SUBJECT 4,105 1.7% 846 20.6% 16 228.0 926.5
UNIFORM TITLE 118 0.1% 22 18.6% 3 418.0 2071.0
SERIES 969 0.4% 329 33.9% 11 107.7 376.2
DATE 2,640 1.1% 899 34.1% 11 251.7 2818.0
ADDED SINCE 1,121 0.5% 1,074 95.8% 1 21.5 104.0
LANGUAGE 9,727 4.1% 3,991 41.0% 35 594.2 5590.5
LCCN 1,275 0.5% 324 25.4% 1 1.3 3.1
ISBN 14,718 6.2% 7,371 50.1% 1 1.3 14.7
ISSN 878 0.4% 782 89.1% 3 34.9 201.8
DLA ID 172 0.1% 2 1.2% 1 1.0 0.0
MUSIC PUBLISHER 42 0.0% 11 26.2% 2 7.8 31.4
GOV'T DOC NUM 45 0.0% 11 24.4% 1 1.4 1.0
REPORT NUM 24 0.0% 19 79.2% 1 34.6 74.6
STOCK NUM 1 0.0% 0 0.0% 1 1.0 0.0
GPO ITEM NUM 8 0.0% 6 75.0% 707 706.5 837.9
FORM 3,639 1.5% 1,133 31.1% 11 228.6 1730.8
MUSIC KEY 2 0.0% 1 50.0% 6 6.0 0.0
GEO CLASS 0 0.0% 0 0.0% 0 0.0 0.0
THEMATIC NUMBER 24 0.0% 22 91.7% 106 106.0 148.5
SCALE 2 0.0% 0 0.0% 46 45.5 47.4
AT 29,198 12.4% 12,153 41.6% 10 179.0 1288.3
Other indexes 9,524 4.0% 3,118 32.7% 7 226.1 1857.5
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 53,234 31.9% 21,816 41.0% 5 191.5 1897.7
Single 113,565 68.1% 43,411 38.2% 5 126.9 1433.6
PRESENT commands, by type:
MARC 35.8%
OPAC 49.6%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)