MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/01 through 06/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 30,138 343,670
2-4 a.m. 22,069 270,632
4-6 a.m. 23,929 238,026
6-8 a.m. 33,794 410,096
8-10 a.m. 51,938 869,430
10-12 a.m. 71,239 1,543,112
12-2 p.m. 72,329 1,706,721
2-4 p.m. 69,896 1,848,281
4-6 p.m. 52,799 1,286,237
6-8 p.m. 33,843 673,234
8-10 p.m. 25,608 536,929
10-12 p.m. 26,666 458,513
__________ _____________ _________________
Total: 514,248 10,184,881
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,244
Davis 587
Irvine 303
Los Angeles 558
Riverside 47
San Diego 393
San Francisco 53
Santa Barbara 150
Santa Cruz 46
Lawrence Berkeley 80
Lawrence Livermore 11
Los Alamos 0
MELWEB 188,225
Searchlight 7,647
Other - UC 109,881
Other-Network UC 205,023
_____
514,248
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,100
Davis 3,346
Irvine 2,180
Los Angeles 11,401
Riverside 280
San Diego 3,261
San Francisco 463
Santa Barbara 1,723
Santa Cruz 1,273
Lawrence Berkeley 1,166
Lawrence Livermore 129
Los Alamos 0
MELWEB 5,647,826
Searchlight 1,864
Other - UC 2,738,165
Other-Network UC 1,760,704
_____
10,184,881
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 5.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.2
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) 349:38
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 76.4
Retrievals per search - standard deviation 1854.5
Percent of searches completed with 0 results 41.4%
Percent of searches entered that are long 1.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 514,248 19.8%
PRESENT 1,830,786 70.6%
INIT or CLOSE 245,419 9.5%
OTHER 4,394 0.2%
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 123979 17.8% 38,789 31.3% 6 65.8 415.4
CORPORATE AUTHOR 3,884 0.6% 1,701 43.8% 8 419.5 3198.4
EXACT CORP. AUT. 751 0.1% 155 20.6% 21 487.6 2350.7
TITLE WORD 203444 29.3% 78,782 38.7% 3 48.9 269.4
EXACT TITLE 57,207 8.2% 29,316 51.2% 2 33.9 348.5
SUBJECT 92,740 13.3% 50,990 55.0% 27 474.1 6231.5
EXACT SUBJECT 8,967 1.3% 1,976 22.0% 13 227.1 962.9
UNIFORM TITLE 412 0.1% 85 20.6% 4 398.1 2183.6
SERIES 2,906 0.4% 811 27.9% 11 150.0 694.5
DATE 7,494 1.1% 2,292 30.6% 11 120.9 1822.2
ADDED SINCE 1,659 0.2% 1,475 88.9% 2 49.1 397.0
LANGUAGE 21,134 3.0% 8,678 41.1% 35 459.6 3051.0
LCCN 3,058 0.4% 1,083 35.4% 1 1.5 2.9
ISBN 49,747 7.2% 26,401 53.1% 1 1.5 21.5
ISSN 979 0.1% 911 93.1% 7 105.2 464.7
DLA ID 570 0.1% 4 0.7% 1 1.0 0.0
MUSIC PUBLISHER 177 0.0% 54 30.5% 3 3.5 5.2
GOV'T DOC NUM 130 0.0% 51 39.2% 1 14.9 62.1
REPORT NUM 41 0.0% 24 58.5% 1 28.9 106.8
STOCK NUM 12 0.0% 2 16.7% 1 71.1 221.7
GPO ITEM NUM 34 0.0% 26 76.5% 54 92.0 120.7
FORM 10,054 1.4% 3,139 31.2% 9 201.8 2464.5
MUSIC KEY 2 0.0% 0 0.0% 26 26.0 7.1
GEO CLASS 10 0.0% 1 10.0% 3 43.8 89.7
THEMATIC NUMBER 67 0.0% 55 82.1% 5 316.8 875.8
SCALE 3 0.0% 1 33.3% 28 27.5 30.4
AT 64,775 9.3% 24,595 38.0% 9 158.6 1036.9
Other indexes 40,586 5.8% 15,904 39.2% 5 153.2 1016.4
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 145,166 28.2% 59,638 41.1% 4 129.8 1336.9
Single 369,082 71.8% 153183 41.5% 5 130.5 2733.8
PRESENT commands, by type:
MARC 40.1%
OPAC 44.4%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)