MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/01 through 07/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 33,520 379,662
2-4 a.m. 27,981 262,951
4-6 a.m. 27,617 259,777
6-8 a.m. 37,687 369,586
8-10 a.m. 56,734 912,759
10-12 a.m. 78,269 1,606,808
12-2 p.m. 76,455 1,767,845
2-4 p.m. 78,779 1,916,849
4-6 p.m. 52,434 1,251,813
6-8 p.m. 30,064 577,491
8-10 p.m. 20,362 301,708
10-12 p.m. 24,261 333,275
__________ _____________ _________________
Total: 544,163 9,940,524
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,016
Davis 445
Irvine 468
Los Angeles 374
Riverside 13
San Diego 194
San Francisco 124
Santa Barbara 225
Santa Cruz 91
Lawrence Berkeley 35
Lawrence Livermore 42
Los Alamos 0
MELWEB 55
Searchlight 0
Other - UC 304,791
Other-Network UC 236,290
_____
544,163
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 8,460
Davis 2,990
Irvine 3,486
Los Angeles 2,229
Riverside 190
San Diego 5,567
San Francisco 816
Santa Barbara 3,044
Santa Cruz 1,373
Lawrence Berkeley 428
Lawrence Livermore 290
Los Alamos 0
MELWEB 1,724
Searchlight 0
Other - UC 8,015,868
Other-Network UC 1,894,059
_____
9,940,524
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 6.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.8
2.0 CATALOG Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0.0
Average session length (minutes:seconds) 0.0
Longest session recorded (minutes:seconds) 397:33
Average number of searches completed per session 12367
Retrievals per search - median 1.0
Retrievals per search - average 81.2
Retrievals per search - standard deviation 1984.4
Percent of searches completed with 0 results 44.1%
Percent of searches entered that are long 1.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 544,158 21.0%
PRESENT 1,759,031 68.0%
INIT or CLOSE 281,982 10.9%
OTHER 3,376 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 123977 15.5% 40,356 32.6% 6 64.4 361.7
CORPORATE AUTHOR 5,379 0.7% 2,386 44.4% 7 281.7 2244.5
EXACT CORP. AUT. 697 0.1% 150 21.5% 20 1862.7 11059.1
TITLE WORD 241755 30.3% 108512 44.9% 3 81.1 710.6
EXACT TITLE 56,780 7.1% 27,349 48.2% 2 29.3 217.1
SUBJECT 129496 16.2% 84,172 65.0% 26 508.6 6391.8
EXACT SUBJECT 8,912 1.1% 1,894 21.3% 14 216.9 981.2
UNIFORM TITLE 375 0.0% 91 24.3% 3 410.5 2539.0
SERIES 3,554 0.4% 898 25.3% 7 110.9 674.5
DATE 8,080 1.0% 2,635 32.6% 10 163.8 2215.2
ADDED SINCE 1,644 0.2% 1,395 84.9% 2 32.5 258.5
LANGUAGE 20,521 2.6% 8,635 42.1% 33 505.5 3812.4
LCCN 3,267 0.4% 954 29.2% 1 1.2 1.5
ISBN 45,149 5.7% 24,194 53.6% 1 1.1 1.1
ISSN 1,036 0.1% 943 91.0% 3 52.5 217.3
DLA ID 636 0.1% 2 0.3% 1 1.0 0.0
MUSIC PUBLISHER 130 0.0% 86 66.2% 4 15.4 26.0
GOV'T DOC NUM 149 0.0% 44 29.5% 1 10.2 90.8
REPORT NUM 59 0.0% 37 62.7% 1 2.8 5.2
STOCK NUM 15 0.0% 0 0.0% 1 251.7 549.7
GPO ITEM NUM 40 0.0% 28 70.0% 445 1660.5 3897.6
FORM 10,189 1.3% 3,600 35.3% 9 257.9 3348.4
MUSIC KEY 10 0.0% 0 0.0% 4 61.1 172.9
GEO CLASS 12 0.0% 1 8.3% 38 5743.9 12801.6
THEMATIC NUMBER 70 0.0% 56 80.0% 37 137.4 178.7
SCALE 10 0.0% 4 40.0% 16 38.0 62.5
AT 60,879 7.6% 24,173 39.7% 8 154.8 1087.2
Other indexes 75,592 9.5% 45,335 60.0% 7 279.9 1544.1
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 179,913 33.1% 90,021 50.0% 4 169.8 1564.4
Single 364,245 66.9% 150190 41.2% 5 135.1 2995.0
PRESENT commands, by type:
MARC 40.1%
OPAC 43.0%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)