MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/99 through 12/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 16,522 255,044
2-4 a.m. 11,714 155,733
4-6 a.m. 11,460 156,792
6-8 a.m. 17,287 279,653
8-10 a.m. 35,717 806,952
10-12 a.m. 59,048 1,515,602
12-2 p.m. 67,503 1,863,336
2-4 p.m. 72,035 1,998,714
4-6 p.m. 53,451 1,527,255
6-8 p.m. 31,426 795,276
8-10 p.m. 24,502 623,273
10-12 p.m. 21,050 454,785
__________ _____________ _________________
Total: 421,715 10,432,415
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 818
Davis 279
Irvine 1,096
Los Angeles 317
Riverside 5
San Diego 191
San Francisco 158
Santa Barbara 52
Santa Cruz 80
Lawrence Berkeley 50
Lawrence Livermore 9
Los Alamos 0
MELWEB 314,929
Other - UC 1,861
Other-Network UC 101,870
_____
421,715
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 14,280
Davis 3,707
Irvine 5,598
Los Angeles 4,067
Riverside 54
San Diego 1,109
San Francisco 848
Santa Barbara 465
Santa Cruz 615
Lawrence Berkeley 1,290
Lawrence Livermore 63
Los Alamos 0
MELWEB 9,268,567
Other - UC 32,417
Other-Network UC 1,099,335
_____
10,432,415
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 8.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 1.9
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:55
Average session length (minutes:seconds) 17:54
Longest session recorded (minutes:seconds) 286:55
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 98.8
Retrievals per search - standard deviation 1167.4
Percent of searches completed with 0 results 38.4%
Percent of searches entered that are long 1.9%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 421,715 17.7%
PRESENT 1,811,395 76.1%
INIT or CLOSE 147,142 6.2%
OTHER 1,279 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 113113 17.8% 33,698 29.8% 6 67.3 397.5
CORPORATE AUTHOR 4,002 0.6% 1,841 46.0% 8 376.5 2941.0
EXACT CORP. AUT. 842 0.1% 178 21.1% 23 545.6 2859.2
TITLE WORD 156823 24.6% 54,219 34.6% 3 53.0 481.7
EXACT TITLE 43,955 6.9% 20,357 46.3% 2 33.1 318.6
SUBJECT 99,490 15.6% 48,161 48.4% 27 440.5 2803.8
EXACT SUBJECT 11,245 1.8% 2,534 22.5% 16 226.6 837.9
UNIFORM TITLE 992 0.2% 242 24.4% 3 165.2 704.2
SERIES 3,004 0.5% 800 26.6% 10 122.7 444.8
DATE 6,977 1.1% 2,122 30.4% 15 205.7 4225.8
ADDED SINCE 3,556 0.6% 3,320 93.4% 3 114.4 1093.5
LANGUAGE 31,049 4.9% 12,492 40.2% 31 405.8 2074.5
LCCN 1,591 0.2% 845 53.1% 1 1.3 0.7
ISBN 24,233 3.8% 15,873 65.5% 1 1.6 25.4
ISSN 471 0.1% 430 91.3% 4 6.6 7.5
DLA ID 7 0.0% 6 85.7% 1 1.0 0.0
MUSIC PUBLISHER 56 0.0% 28 50.0% 20 192.0 524.7
GOV'T DOC NUM 98 0.0% 36 36.7% 1 1.4 0.7
REPORT NUM 42 0.0% 26 61.9% 1 26.3 95.7
STOCK NUM 14 0.0% 1 7.1% 1 286.2 431.6
GPO ITEM NUM 15 0.0% 13 86.7% 1,389 1389.0 128.7
FORM 14,288 2.2% 4,738 33.2% 10 233.2 2628.2
MUSIC KEY 4 0.0% 0 0.0% 1,758 2126.3 2526.8
GEO CLASS 2 0.0% 0 0.0% 20,736 20735.5 21064.0
THEMATIC NUMBER 143 0.0% 122 85.3% 5 109.0 211.2
SCALE 2 0.0% 0 0.0% 14,508 14507.5 20515.3
AT 96,102 15.1% 35,855 37.3% 9 158.4 919.5
Other indexes 24,372 3.8% 8,312 34.1% 6 258.6 1745.3
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 157,362 37.3% 60,871 38.7% 5 156.0 1480.5
Single 264,353 62.7% 101141 38.3% 7 163.2 1486.5
PRESENT commands, by type:
MARC 39.8%
OPAC 42.3%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)