MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 66,772 358,617
2-4 a.m. 59,546 276,179
4-6 a.m. 52,378 274,754
6-8 a.m. 65,152 450,288
8-10 a.m. 60,192 916,992
10-12 a.m. 78,849 1,503,275
12-2 p.m. 76,854 1,536,419
2-4 p.m. 72,808 1,705,096
4-6 p.m. 50,692 1,081,739
6-8 p.m. 30,309 489,152
8-10 p.m. 23,250 376,592
10-12 p.m. 58,738 393,653
__________ _____________ _________________
Total: 695,540 9,362,756
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 880
Davis 547
Irvine 352
Los Angeles 1,081
Riverside 96
San Diego 151
San Francisco 82
Santa Barbara 304
Santa Cruz 26
Lawrence Berkeley 167
Lawrence Livermore 10
Los Alamos 6
MELWEB 18
Searchlight 1
Other - UC 285,868
Other-Network UC 405,951
_____
695,540
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,362
Davis 4,613
Irvine 3,426
Los Angeles 6,384
Riverside 834
San Diego 988
San Francisco 1,103
Santa Barbara 3,834
Santa Cruz 72
Lawrence Berkeley 2,168
Lawrence Livermore 13
Los Alamos 63
MELWEB 476
Searchlight 0
Other - UC 7,105,414
Other-Network UC 2,221,006
_____
9,362,756
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 5.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 2.7
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) 347:08
Average number of searches completed per session 231847
Retrievals per search - median 1.0
Retrievals per search - average 73.3
Retrievals per search - standard deviation 1118.6
Percent of searches completed with 0 results 46.1%
Percent of searches entered that are long 1.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 695,539 25.9%
PRESENT 1,678,509 62.6%
INIT or CLOSE 305,165 11.4%
OTHER 2,685 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 265713 22.8% 108798 40.9% 2 35.8 263.8
CORPORATE AUTHOR 3,824 0.3% 1,662 43.5% 8 323.3 2326.1
EXACT CORP. AUT. 673 0.1% 168 25.0% 15 576.6 2591.0
TITLE WORD 413814 35.5% 205411 49.6% 2 60.2 569.2
EXACT TITLE 54,046 4.6% 26,350 48.8% 2 35.7 335.4
SUBJECT 150048 12.9% 102065 68.0% 27 590.9 3397.1
EXACT SUBJECT 8,516 0.7% 1,823 21.4% 14 222.3 879.1
UNIFORM TITLE 383 0.0% 90 23.5% 6 294.4 1232.7
SERIES 2,780 0.2% 828 29.8% 11 171.1 669.8
DATE 8,861 0.8% 2,926 33.0% 10 129.4 1624.4
ADDED SINCE 4,981 0.4% 4,750 95.4% 2 26.6 123.2
LANGUAGE 20,552 1.8% 7,885 38.4% 35 652.6 3728.1
LCCN 4,023 0.3% 947 23.5% 1 1.2 1.3
ISBN 48,133 4.1% 25,822 53.6% 1 1.8 30.2
ISSN 905 0.1% 826 91.3% 6 56.7 244.7
DLA ID 647 0.1% 3 0.5% 1 1.0 0.0
MUSIC PUBLISHER 240 0.0% 130 54.2% 2 378.2 1590.1
GOV'T DOC NUM 95 0.0% 24 25.3% 1 1.4 0.5
REPORT NUM 43 0.0% 16 37.2% 1 1.4 0.5
STOCK NUM 14 0.0% 1 7.1% 1 179.5 340.9
GPO ITEM NUM 26 0.0% 18 69.2% 208 1505.6 3569.4
FORM 11,678 1.0% 3,708 31.8% 10 390.2 4230.1
MUSIC KEY 3 0.0% 0 0.0% 6 7.7 2.9
GEO CLASS 8 0.0% 1 12.5% 49 2002.9 4733.5
THEMATIC NUMBER 83 0.0% 73 87.9% 3 11.2 15.6
SCALE 10 0.0% 2 20.0% 5 158.5 431.8
AT 53,595 4.6% 20,679 38.6% 9 163.8 960.6
Other indexes 113232 9.7% 79,478 70.2% 8 325.7 1667.2
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 355,968 51.2% 189328 53.2% 2 113.2 1087.6
Single 339,571 48.8% 131436 38.7% 5 154.4 1793.8
PRESENT commands, by type:
MARC 44.9%
OPAC 38.2%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)