MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/01 through 02/28/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 28,351 402,472
2-4 a.m. 18,801 255,430
4-6 a.m. 19,865 225,727
6-8 a.m. 34,171 398,859
8-10 a.m. 60,194 1,120,933
10-12 a.m. 94,708 2,044,670
12-2 p.m. 101,407 2,522,689
2-4 p.m. 102,707 2,648,481
4-6 p.m. 83,632 2,178,873
6-8 p.m. 48,767 1,123,258
8-10 p.m. 38,311 987,164
10-12 p.m. 35,054 691,263
__________ _____________ _________________
Total: 665,968 14,599,819
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,639
Davis 613
Irvine 808
Los Angeles 549
Riverside 94
San Diego 290
San Francisco 151
Santa Barbara 264
Santa Cruz 111
Lawrence Berkeley 109
Lawrence Livermore 26
Los Alamos 0
MELWEB 435,556
Searchlight 15,876
Other - UC 4,550
Other-Network UC 205,332
_____
665,968
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 14,352
Davis 6,657
Irvine 4,938
Los Angeles 6,527
Riverside 472
San Diego 2,941
San Francisco 1,047
Santa Barbara 2,666
Santa Cruz 1,102
Lawrence Berkeley 1,025
Lawrence Livermore 61
Los Alamos 0
MELWEB 12,686,867
Searchlight 11,530
Other - UC 43,218
Other-Network UC 1,816,416
_____
14,599,819
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 9.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 1.2
Standard deviation in seconds 3.8
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:17
Average session length (minutes:seconds) 14:54
Longest session recorded (minutes:seconds) 257:52
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 97.5
Retrievals per search - standard deviation 1145.0
Percent of searches completed with 0 results 40.9%
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 665,968 19.1%
PRESENT 2,510,318 72.1%
INIT or CLOSE 293,668 8.4%
OTHER 12,087 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 154333 16.1% 48,929 31.7% 6 78.3 476.1
CORPORATE AUTHOR 5,535 0.6% 2,367 42.8% 5 368.9 4823.4
EXACT CORP. AUT. 1,010 0.1% 254 25.1% 17 577.9 3915.2
TITLE WORD 247101 25.7% 93,160 37.7% 3 53.7 375.6
EXACT TITLE 61,408 6.4% 29,558 48.1% 2 34.2 391.9
SUBJECT 169157 17.6% 89,822 53.1% 29 452.6 2525.5
EXACT SUBJECT 16,392 1.7% 3,766 23.0% 15 290.5 2441.2
UNIFORM TITLE 515 0.1% 124 24.1% 3 246.8 866.4
SERIES 4,595 0.5% 1,208 26.3% 7 119.8 485.0
DATE 10,867 1.1% 3,661 33.7% 13 94.3 1038.1
ADDED SINCE 1,656 0.2% 1,346 81.3% 2 53.2 470.7
LANGUAGE 45,510 4.7% 19,340 42.5% 33 443.1 2080.7
LCCN 3,593 0.4% 1,070 29.8% 1 1.3 1.7
ISBN 51,940 5.4% 28,192 54.3% 1 2.0 48.2
ISSN 979 0.1% 925 94.5% 4 369.5 2372.8
DLA ID 1,086 0.1% 2 0.2% 1 1.0 0.0
MUSIC PUBLISHER 203 0.0% 95 46.8% 3 71.3 261.1
GOV'T DOC NUM 206 0.0% 59 28.6% 1 9.0 58.2
REPORT NUM 71 0.0% 48 67.6% 1 1.1 0.5
STOCK NUM 24 0.0% 1 4.2% 1 114.5 229.5
GPO ITEM NUM 33 0.0% 24 72.7% 214 383.8 659.8
FORM 15,928 1.7% 5,507 34.6% 9 227.2 3047.6
MUSIC KEY 11 0.0% 2 18.2% 9 19.7 26.4
GEO CLASS 0 0.0% 0 0.0% 0 0.0 0.0
THEMATIC NUMBER 156 0.0% 129 82.7% 2 254.9 932.4
SCALE 6 0.0% 0 0.0% 14 20.8 20.1
AT 122102 12.7% 49,599 40.6% 10 180.4 953.2
Other indexes 47,090 4.9% 18,509 39.3% 6 223.5 1428.5
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 226,256 34.0% 94,985 42.0% 5 163.1 1109.6
Single 439,712 66.0% 177562 40.4% 6 166.1 1642.3
PRESENT commands, by type:
MARC 36.9%
OPAC 47.7%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)