MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/01 through 10/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 49,321 465,839
2-4 a.m. 41,509 332,902
4-6 a.m. 34,150 288,272
6-8 a.m. 42,059 568,448
8-10 a.m. 71,502 1,375,990
10-12 a.m. 103,240 2,393,304
12-2 p.m. 104,296 2,639,027
2-4 p.m. 107,170 2,878,882
4-6 p.m. 82,398 2,192,684
6-8 p.m. 53,335 1,185,400
8-10 p.m. 46,486 967,330
10-12 p.m. 49,487 664,389
__________ _____________ _________________
Total: 784,953 15,952,467
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,321
Davis 533
Irvine 723
Los Angeles 508
Riverside 58
San Diego 246
San Francisco 74
Santa Barbara 652
Santa Cruz 108
Lawrence Berkeley 78
Lawrence Livermore 32
Los Alamos 2
MELWEB 0
Searchlight 0
Other - UC 469,847
Other-Network UC 310,771
_____
784,953
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 13,247
Davis 4,602
Irvine 4,125
Los Angeles 5,026
Riverside 843
San Diego 2,042
San Francisco 628
Santa Barbara 7,549
Santa Cruz 1,192
Lawrence Berkeley 713
Lawrence Livermore 73
Los Alamos 9
MELWEB 0
Searchlight 0
Other - UC 13,504,531
Other-Network UC 2,407,887
_____
15,952,467
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 6.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 8.9
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 0.0
Average session length (minutes:seconds) 0.0
Longest session recorded (minutes:seconds) 659:32
Average number of searches completed per session 11056
Retrievals per search - median 1.0
Retrievals per search - average 97.8
Retrievals per search - standard deviation 2603.5
Percent of searches completed with 0 results 40.3%
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 784,953 18.1%
PRESENT 2,743,165 63.4%
INIT or CLOSE 350,456 8.1%
OTHER 451,257 10.4%
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 212235 17.9% 74,545 35.1% 4 53.6 362.5
CORPORATE AUTHOR 5,346 0.5% 2,430 45.5% 8 428.0 4358.1
EXACT CORP. AUT. 1,162 0.1% 224 19.3% 20 757.4 4822.0
TITLE WORD 340584 28.8% 136570 40.1% 3 80.2 669.3
EXACT TITLE 71,847 6.1% 33,734 46.9% 2 37.0 391.4
SUBJECT 175902 14.9% 93,646 53.2% 31 572.1 7747.2
EXACT SUBJECT 15,905 1.3% 3,381 21.3% 16 242.0 1042.7
UNIFORM TITLE 505 0.0% 103 20.4% 3 123.5 605.0
SERIES 3,973 0.3% 974 24.5% 12 118.8 402.0
DATE 12,467 1.1% 4,106 32.9% 12 127.3 2186.7
ADDED SINCE 5,104 0.4% 4,875 95.5% 2 123.1 811.0
LANGUAGE 42,054 3.6% 17,042 40.5% 37 570.1 3478.1
LCCN 7,260 0.6% 1,664 22.9% 1 1.5 4.5
ISBN 74,415 6.3% 34,125 45.9% 1 1.6 23.5
ISSN 1,190 0.1% 1,108 93.1% 4 17.2 73.2
DLA ID 1,007 0.1% 3 0.3% 1 1.0 0.0
MUSIC PUBLISHER 641 0.1% 252 39.3% 2 6.5 33.6
GOV'T DOC NUM 218 0.0% 46 21.1% 1 95.1 918.6
REPORT NUM 88 0.0% 58 65.9% 1 2.2 4.1
STOCK NUM 28 0.0% 3 10.7% 1 139.8 337.0
GPO ITEM NUM 30 0.0% 22 73.3% 256 397.3 378.1
FORM 18,847 1.6% 6,295 33.4% 11 183.9 1226.2
MUSIC KEY 18 0.0% 8 44.4% 25 992.6 1525.4
GEO CLASS 18 0.0% 10 55.6% 403 553.5 571.6
THEMATIC NUMBER 167 0.0% 138 82.6% 13 1254.9 5318.3
SCALE 17 0.0% 1 5.9% 4 204.3 650.2
AT 120914 10.2% 49,004 40.5% 10 196.3 1172.5
Other indexes 72,307 6.1% 34,777 48.1% 8 335.4 1793.7
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 302,548 38.5% 132964 43.9% 4 186.5 1428.2
Single 482,405 61.5% 183314 38.0% 4 150.9 4076.2
PRESENT commands, by type:
MARC 38.1%
OPAC 47.1%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)