MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/01 through 05/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 35,771 521,415
2-4 a.m. 23,702 302,082
4-6 a.m. 24,345 287,044
6-8 a.m. 41,066 511,509
8-10 a.m. 64,743 1,240,692
10-12 a.m. 101,091 2,405,948
12-2 p.m. 105,873 2,796,543
2-4 p.m. 106,705 3,111,962
4-6 p.m. 83,168 2,412,041
6-8 p.m. 54,216 1,423,169
8-10 p.m. 45,354 1,163,071
10-12 p.m. 37,731 871,800
__________ _____________ _________________
Total: 723,765 17,047,276
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,500
Davis 672
Irvine 900
Los Angeles 775
Riverside 47
San Diego 161
San Francisco 138
Santa Barbara 269
Santa Cruz 46
Lawrence Berkeley 81
Lawrence Livermore 28
Los Alamos 0
MELWEB 469,869
Searchlight 17,489
Other - UC 4,018
Other-Network UC 227,772
_____
723,765
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 15,676
Davis 5,926
Irvine 7,480
Los Angeles 7,393
Riverside 356
San Diego 1,040
San Francisco 794
Santa Barbara 2,397
Santa Cruz 265
Lawrence Berkeley 1,439
Lawrence Livermore 346
Los Alamos 0
MELWEB 14,915,608
Searchlight 5,520
Other - UC 41,754
Other-Network UC 2,041,282
_____
17,047,276
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 6.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 2.1
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) 393:14
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 90.1
Retrievals per search - standard deviation 1251.9
Percent of searches completed with 0 results 41.2%
Percent of searches entered that are long 1.5%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 723,765 18.4%
PRESENT 2,873,051 73.1%
INIT or CLOSE 331,331 8.4%
OTHER 4,397 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 164963 15.9% 53,131 32.2% 6 67.4 400.2
CORPORATE AUTHOR 5,036 0.5% 2,342 46.5% 7 312.9 1984.6
EXACT CORP. AUT. 916 0.1% 198 21.6% 19 811.0 6103.4
TITLE WORD 275165 26.5% 107033 38.9% 3 53.7 416.7
EXACT TITLE 65,179 6.3% 31,778 48.8% 2 36.6 455.5
SUBJECT 179285 17.3% 95,811 53.4% 25 425.0 3128.4
EXACT SUBJECT 17,709 1.7% 4,033 22.8% 14 208.4 937.0
UNIFORM TITLE 606 0.1% 172 28.4% 3 438.0 2344.0
SERIES 4,404 0.4% 1,436 32.6% 11 168.8 704.6
DATE 11,844 1.1% 3,911 33.0% 11 187.0 3958.2
ADDED SINCE 1,682 0.2% 1,468 87.3% 2 75.3 419.0
LANGUAGE 46,593 4.5% 19,775 42.4% 33 392.3 2036.0
LCCN 4,529 0.4% 1,319 29.1% 1 1.3 1.3
ISBN 58,115 5.6% 29,941 51.5% 1 1.7 28.0
ISSN 1,582 0.2% 1,483 93.7% 2 33.2 107.1
DLA ID 1,052 0.1% 5 0.5% 1 1.0 0.0
MUSIC PUBLISHER 230 0.0% 86 37.4% 3 25.6 232.8
GOV'T DOC NUM 185 0.0% 68 36.8% 1 82.4 789.1
REPORT NUM 85 0.0% 47 55.3% 2 1.8 1.6
STOCK NUM 22 0.0% 0 0.0% 1 317.3 532.5
GPO ITEM NUM 43 0.0% 28 65.1% 54 2343.4 4992.5
FORM 14,824 1.4% 5,449 36.8% 11 204.7 1973.1
MUSIC KEY 6 0.0% 1 16.7% 432 1599.8 2035.9
GEO CLASS 11 0.0% 9 81.8% 98 98.0 134.4
THEMATIC NUMBER 147 0.0% 124 84.4% 17 444.7 959.3
SCALE 16 0.0% 5 31.3% 7 19.1 30.7
AT 133226 12.9% 55,102 41.4% 10 183.6 999.7
Other indexes 49,051 4.7% 18,388 37.5% 6 240.3 1464.4
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 242,457 33.5% 103466 42.7% 5 156.0 1144.3
Single 481,308 66.5% 194979 40.5% 5 152.1 1819.7
PRESENT commands, by type:
MARC 36.0%
OPAC 50.4%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)