MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/00 through 07/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 20,149 273,295
2-4 a.m. 10,865 175,586
4-6 a.m. 10,845 156,023
6-8 a.m. 19,503 269,190
8-10 a.m. 37,693 715,542
10-12 a.m. 62,038 1,360,069
12-2 p.m. 61,654 1,420,925
2-4 p.m. 65,498 1,654,957
4-6 p.m. 46,551 1,184,497
6-8 p.m. 26,243 480,701
8-10 p.m. 17,526 297,547
10-12 p.m. 17,466 304,212
__________ _____________ _________________
Total: 396,031 8,292,544
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2,497
Davis 267
Irvine 1,212
Los Angeles 651
Riverside 11
San Diego 237
San Francisco 122
Santa Barbara 122
Santa Cruz 143
Lawrence Berkeley 62
Lawrence Livermore 3
Los Alamos 0
MELWEB 265,550
Searchlight 9,841
Other - UC 2,020
Other-Network UC 113,293
_____
396,031
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 21,749
Davis 6,312
Irvine 5,296
Los Angeles 4,933
Riverside 128
San Diego 7,566
San Francisco 1,116
Santa Barbara 1,503
Santa Cruz 936
Lawrence Berkeley 345
Lawrence Livermore 0
Los Alamos 0
MELWEB 7,066,612
Searchlight 7,067
Other - UC 34,002
Other-Network UC 1,134,979
_____
8,292,544
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 7.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 1.0
Standard deviation in seconds 5.4
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:36
Average session length (minutes:seconds) 16:26
Longest session recorded (minutes:seconds) 349:12
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 83.0
Retrievals per search - standard deviation 943.1
Percent of searches completed with 0 results 38.4%
Percent of searches entered that are long 1.8%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 396,031 18.8%
PRESENT 1,547,909 73.5%
INIT or CLOSE 161,000 7.6%
OTHER 2,296 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 105554 19.0% 32,727 31.0% 6 73.7 424.9
CORPORATE AUTHOR 4,027 0.7% 1,799 44.7% 9 569.9 5966.7
EXACT CORP. AUT. 1,131 0.2% 242 21.4% 20 455.5 3042.5
TITLE WORD 154521 27.8% 54,968 35.6% 3 57.1 452.1
EXACT TITLE 48,063 8.7% 23,632 49.2% 2 32.4 281.1
SUBJECT 72,196 13.0% 36,124 50.0% 30 443.4 2276.9
EXACT SUBJECT 9,413 1.7% 2,040 21.7% 16 226.1 952.0
UNIFORM TITLE 323 0.1% 94 29.1% 2 176.8 1596.7
SERIES 4,296 0.8% 997 23.2% 13 117.5 430.9
DATE 7,651 1.4% 2,368 30.9% 11 123.1 1331.3
ADDED SINCE 3,369 0.6% 3,142 93.3% 2 13.5 55.6
LANGUAGE 20,853 3.8% 8,677 41.6% 32 420.5 2150.6
LCCN 996 0.2% 357 35.8% 1 1.3 0.8
ISBN 26,201 4.7% 14,375 54.9% 1 1.8 28.5
ISSN 514 0.1% 440 85.6% 4 30.0 91.8
DLA ID 420 0.1% 6 1.4% 1 1.0 0.0
MUSIC PUBLISHER 51 0.0% 20 39.2% 8 26.5 46.0
GOV'T DOC NUM 137 0.0% 52 38.0% 1 1.3 0.5
REPORT NUM 53 0.0% 29 54.7% 1 1.3 0.7
STOCK NUM 10 0.0% 0 0.0% 1 84.5 176.9
GPO ITEM NUM 32 0.0% 19 59.4% 16 1074.5 3412.1
FORM 11,437 2.1% 3,903 34.1% 7 130.2 784.7
MUSIC KEY 0 0.0% 0 0.0% 0 0.0 0.0
GEO CLASS 1 0.0% 0 0.0% 22 22.0 0.0
THEMATIC NUMBER 75 0.0% 61 81.3% 5 27.4 49.2
SCALE 13 0.0% 5 38.5% 11 311.9 818.8
AT 59,655 10.8% 23,294 39.0% 9 162.9 1048.6
Other indexes 23,933 4.3% 7,751 32.4% 5 151.4 1288.3
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 122,704 31.0% 49,287 40.2% 4 140.2 1123.9
Single 273,327 69.0% 102837 37.6% 6 132.5 1229.7
PRESENT commands, by type:
MARC 40.2%
OPAC 41.6%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)