MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/00 through 08/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 18,080 220,452
2-4 a.m. 11,103 162,344
4-6 a.m. 12,711 150,053
6-8 a.m. 21,581 313,056
8-10 a.m. 40,892 788,867
10-12 a.m. 66,848 1,422,201
12-2 p.m. 65,074 1,514,086
2-4 p.m. 66,857 1,563,137
4-6 p.m. 47,064 1,109,657
6-8 p.m. 24,926 442,011
8-10 p.m. 19,123 300,422
10-12 p.m. 17,006 255,237
__________ _____________ _________________
Total: 411,265 8,241,523
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2,255
Davis 286
Irvine 1,584
Los Angeles 536
Riverside 7
San Diego 353
San Francisco 194
Santa Barbara 109
Santa Cruz 160
Lawrence Berkeley 109
Lawrence Livermore 19
Los Alamos 3
MELWEB 266,120
Searchlight 12,167
Other - UC 2,644
Other-Network UC 124,719
_____
411,265
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 28,584
Davis 2,911
Irvine 7,447
Los Angeles 7,581
Riverside 34
San Diego 6,088
San Francisco 1,842
Santa Barbara 993
Santa Cruz 1,627
Lawrence Berkeley 851
Lawrence Livermore 228
Los Alamos 75
MELWEB 6,801,589
Searchlight 34,624
Other - UC 41,685
Other-Network UC 1,305,364
_____
8,241,523
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 6.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.7
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:26
Average session length (minutes:seconds) 15:42
Longest session recorded (minutes:seconds) 1058
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 100.6
Retrievals per search - standard deviation 1287.5
Percent of searches completed with 0 results 39.1%
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 411,265 17.9%
PRESENT 1,708,196 74.4%
INIT or CLOSE 174,325 7.6%
OTHER 2,127 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 110537 19.5% 35,087 31.7% 6 68.8 355.1
CORPORATE AUTHOR 4,561 0.8% 2,065 45.3% 7 342.3 3101.2
EXACT CORP. AUT. 843 0.1% 173 20.5% 22 892.8 5999.2
TITLE WORD 164454 29.0% 59,680 36.3% 3 65.0 562.0
EXACT TITLE 49,401 8.7% 23,715 48.0% 2 31.6 295.3
SUBJECT 66,503 11.7% 33,378 50.2% 30 528.9 2603.5
EXACT SUBJECT 7,526 1.3% 1,632 21.7% 15 223.2 806.9
UNIFORM TITLE 362 0.1% 84 23.2% 2 278.1 2068.2
SERIES 4,164 0.7% 1,072 25.7% 12 123.5 485.2
DATE 8,443 1.5% 2,342 27.7% 13 1068.9 6103.9
ADDED SINCE 5,016 0.9% 4,529 90.3% 2 84.5 858.7
LANGUAGE 18,470 3.3% 7,698 41.7% 35 598.7 4142.9
LCCN 1,708 0.3% 856 50.1% 1 1.3 1.1
ISBN 35,229 6.2% 19,921 56.5% 1 1.4 21.1
ISSN 607 0.1% 533 87.8% 4 66.1 243.0
DLA ID 508 0.1% 4 0.8% 1 1.0 0.0
MUSIC PUBLISHER 109 0.0% 43 39.4% 8 129.6 429.4
GOV'T DOC NUM 170 0.0% 74 43.5% 1 6.4 42.7
REPORT NUM 42 0.0% 28 66.7% 1 2.3 4.8
STOCK NUM 18 0.0% 0 0.0% 1 272.1 536.9
GPO ITEM NUM 18 0.0% 16 88.9% 3,716 3715.5 5253.1
FORM 11,249 2.0% 3,825 34.0% 8 183.8 1802.1
MUSIC KEY 6 0.0% 0 0.0% 45 45.0 0.0
GEO CLASS 3 0.0% 1 33.3% 78 78.0 108.9
THEMATIC NUMBER 70 0.0% 58 82.9% 3 23.9 59.1
SCALE 12 0.0% 3 25.0% 10 680.1 1375.5
AT 53,454 9.4% 20,606 38.5% 8 183.7 1119.2
Other indexes 24,157 4.3% 8,053 33.3% 5 209.2 1209.1
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 120,970 29.4% 49,401 40.8% 4 163.9 1365.1
Single 290,295 70.6% 111447 38.4% 5 165.7 1746.8
PRESENT commands, by type:
MARC 47.4%
OPAC 36.0%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)