MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/01 through 01/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 17,911 257,554
2-4 a.m. 12,974 183,276
4-6 a.m. 14,891 181,554
6-8 a.m. 24,260 332,506
8-10 a.m. 44,509 835,673
10-12 a.m. 74,196 1,713,957
12-2 p.m. 77,736 1,924,178
2-4 p.m. 77,939 1,964,042
4-6 p.m. 60,461 1,481,861
6-8 p.m. 34,911 807,799
8-10 p.m. 24,899 639,033
10-12 p.m. 22,932 427,609
__________ _____________ _________________
Total: 487,619 10,749,042
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,003
Davis 393
Irvine 1,086
Los Angeles 797
Riverside 38
San Diego 222
San Francisco 264
Santa Barbara 156
Santa Cruz 42
Lawrence Berkeley 126
Lawrence Livermore 13
Los Alamos 0
MELWEB 326,104
Searchlight 10,553
Other - UC 3,962
Other-Network UC 142,860
_____
487,619
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,056
Davis 5,059
Irvine 6,966
Los Angeles 9,383
Riverside 229
San Diego 1,828
San Francisco 1,209
Santa Barbara 3,016
Santa Cruz 338
Lawrence Berkeley 1,588
Lawrence Livermore 59
Los Alamos 0
MELWEB 9,341,540
Searchlight 20,285
Other - UC 52,137
Other-Network UC 1,294,349
_____
10,749,042
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 8.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 1.0
Standard deviation in seconds 2.6
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:20
Average session length (minutes:seconds) 15:04
Longest session recorded (minutes:seconds) 342:31
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 100.3
Retrievals per search - standard deviation 3053.6
Percent of searches completed with 0 results 38.9%
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 487,619 18.8%
PRESENT 1,885,465 72.7%
INIT or CLOSE 218,142 8.4%
OTHER 3,595 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 127675 18.3% 39,395 30.9% 6 68.5 452.7
CORPORATE AUTHOR 4,427 0.6% 2,000 45.2% 6 328.6 3638.1
EXACT CORP. AUT. 709 0.1% 142 20.0% 20 889.2 4741.9
TITLE WORD 191526 27.5% 68,976 36.0% 3 56.7 626.0
EXACT TITLE 48,862 7.0% 22,774 46.6% 2 34.1 271.9
SUBJECT 102387 14.7% 52,774 51.5% 29 527.3 9181.7
EXACT SUBJECT 10,546 1.5% 2,333 22.1% 16 227.1 1042.1
UNIFORM TITLE 452 0.1% 92 20.4% 2 344.5 2154.1
SERIES 3,027 0.4% 847 28.0% 7 113.4 520.3
DATE 8,742 1.3% 2,823 32.3% 11 143.5 2674.2
ADDED SINCE 1,296 0.2% 1,097 84.6% 3 1476.6 16717.4
LANGUAGE 27,972 4.0% 11,526 41.2% 35 472.9 3195.9
LCCN 2,063 0.3% 781 37.9% 1 1.3 0.9
ISBN 36,478 5.2% 19,604 53.7% 1 1.7 27.6
ISSN 546 0.1% 496 90.8% 8 151.4 421.2
DLA ID 914 0.1% 1 0.1% 1 1.0 0.0
MUSIC PUBLISHER 92 0.0% 54 58.7% 2 137.2 800.2
GOV'T DOC NUM 127 0.0% 35 27.6% 1 1.4 0.6
REPORT NUM 54 0.0% 32 59.3% 1 1.2 0.5
STOCK NUM 10 0.0% 2 20.0% 1 446.4 702.8
GPO ITEM NUM 22 0.0% 19 86.4% 65 63.0 61.0
FORM 12,826 1.8% 4,067 31.7% 10 272.7 3230.4
MUSIC KEY 8 0.0% 0 0.0% 5 12.0 17.6
GEO CLASS 0 0.0% 0 0.0% 0 0.0 0.0
THEMATIC NUMBER 120 0.0% 92 76.7% 5 157.4 582.8
SCALE 5 0.0% 1 20.0% 959 938.0 1007.5
AT 85,355 12.3% 32,385 37.9% 9 172.4 1231.4
Other indexes 30,132 4.3% 10,872 36.1% 7 256.2 1466.8
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 160,794 33.0% 63,700 39.6% 5 158.3 1525.2
Single 326,825 67.0% 126174 38.6% 6 167.1 4638.9
PRESENT commands, by type:
MARC 37.2%
OPAC 46.8%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)