MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 09/15/01 through 09/21/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 16,465 90,635
2-4 a.m. 15,660 59,849
4-6 a.m. 16,548 70,753
6-8 a.m. 23,821 120,372
8-10 a.m. 15,377 229,398
10-12 a.m. 19,769 365,835
12-2 p.m. 18,984 385,749
2-4 p.m. 18,362 399,875
4-6 p.m. 12,434 245,478
6-8 p.m. 7,439 117,953
8-10 p.m. 5,457 85,411
10-12 p.m. 18,462 110,332
__________ _____________ _________________
Total: 188,778 2,281,640
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 174
Davis 159
Irvine 110
Los Angeles 293
Riverside 32
San Diego 33
San Francisco 27
Santa Barbara 65
Santa Cruz 10
Lawrence Berkeley 21
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 69,281
Other-Network UC 118,573
_____
188,778
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,488
Davis 1,138
Irvine 571
Los Angeles 1,799
Riverside 167
San Diego 257
San Francisco 647
Santa Barbara 1,653
Santa Cruz 20
Lawrence Berkeley 159
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 1,702,153
Other-Network UC 571,588
_____
2,281,640
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 6.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.1
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 1:28
Average session length (minutes:seconds) 10:06
Longest session recorded (minutes:seconds) 313:28
Average number of searches completed per session 188778
Retrievals per search - median 1.0
Retrievals per search - average 63.4
Retrievals per search - standard deviation 877.9
Percent of searches completed with 0 results 45.8%
Percent of searches entered that are long 1.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 188,778 28.2%
PRESENT 406,399 60.7%
INIT or CLOSE 73,844 11.0%
OTHER 845 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 84,324 26.4% 36,412 43.2% 2 30.9 261.8
CORPORATE AUTHOR 1,040 0.3% 438 42.1% 7 248.7 1232.2
EXACT CORP. AUT. 173 0.1% 67 38.7% 20 354.5 968.7
TITLE WORD 119525 37.4% 58,355 48.8% 2 49.2 508.5
EXACT TITLE 13,705 4.3% 6,568 47.9% 2 31.0 189.3
SUBJECT 34,228 10.7% 23,073 67.4% 30 525.2 2496.7
EXACT SUBJECT 2,110 0.7% 473 22.4% 15 189.1 570.1
UNIFORM TITLE 91 0.0% 17 18.7% 6 235.4 1277.5
SERIES 706 0.2% 193 27.3% 8 184.0 792.5
DATE 2,038 0.6% 625 30.7% 11 228.5 2628.8
ADDED SINCE 1,132 0.4% 1,087 96.0% 1 14.5 40.2
LANGUAGE 4,730 1.5% 1,737 36.7% 38 559.2 3069.4
LCCN 1,235 0.4% 287 23.2% 1 1.2 0.7
ISBN 12,170 3.8% 6,409 52.7% 1 2.0 32.9
ISSN 157 0.0% 144 91.7% 1 5.2 8.8
DLA ID 147 0.0% 0 0.0% 1 1.0 0.0
MUSIC PUBLISHER 81 0.0% 45 55.6% 2 15.1 47.9
GOV'T DOC NUM 27 0.0% 5 18.5% 1 1.2 0.4
REPORT NUM 7 0.0% 0 0.0% 1 1.1 0.4
STOCK NUM 5 0.0% 0 0.0% 1 95.6 211.5
GPO ITEM NUM 9 0.0% 6 66.7% 19 16.7 4.0
FORM 2,794 0.9% 868 31.1% 11 452.4 4631.8
MUSIC KEY 0 0.0% 0 0.0% 0 0.0 0.0
GEO CLASS 6 0.0% 1 16.7% 368 2798.0 5553.7
THEMATIC NUMBER 17 0.0% 16 94.1% 4 4.0 0.0
SCALE 3 0.0% 0 0.0% 5 7.3 6.8
AT 12,444 3.9% 4,602 37.0% 9 160.9 932.8
Other indexes 26,295 8.2% 17,993 68.4% 8 372.5 1833.0
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 104,128 55.2% 54,088 51.9% 2 84.3 964.4
Single 84,650 44.8% 32,337 38.2% 4 148.1 1370.1
PRESENT commands, by type:
MARC 46.9%
OPAC 36.4%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)