MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/02 through 04/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 29,854 422,684
2-4 a.m. 19,590 193,529
4-6 a.m. 19,308 224,545
6-8 a.m. 36,408 700,540
8-10 a.m. 63,447 1,432,421
10-12 a.m. 95,325 2,455,705
12-2 p.m. 99,006 2,798,592
2-4 p.m. 101,124 2,709,083
4-6 p.m. 75,738 2,107,617
6-8 p.m. 48,199 1,142,127
8-10 p.m. 35,691 818,418
10-12 p.m. 34,170 638,525
__________ _____________ _________________
Total: 657,860 15,643,786
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 852
Davis 412
Irvine 108
Los Angeles 224
Riverside 29
San Diego 307
San Francisco 107
Santa Barbara 354
Santa Cruz 309
Lawrence Berkeley 62
Lawrence Livermore 168
Los Alamos 0
MELWEB 426,986
Searchlight 15,910
Other - UC 3,385
Other-Network UC 208,647
_____
657,860
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 8,667
Davis 3,314
Irvine 1,507
Los Angeles 3,006
Riverside 283
San Diego 2,708
San Francisco 908
Santa Barbara 5,649
Santa Cruz 13,084
Lawrence Berkeley 1,412
Lawrence Livermore 918
Los Alamos 0
MELWEB 12,711,820
Searchlight 2,915
Other - UC 55,451
Other-Network UC 2,832,144
_____
15,643,786
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 6.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 3.5
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) 403:41
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 83.1
Retrievals per search - standard deviation 1003.8
Percent of searches completed with 0 results 38.7%
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 657,860 18.3%
PRESENT 2,656,316 73.7%
INIT or CLOSE 286,075 7.9%
OTHER 3,935 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 155239 16.8% 49,240 31.7% 5 63.2 381.7
CORPORATE AUTHOR 4,808 0.5% 2,126 44.2% 8 290.6 1771.3
EXACT CORP. AUT. 905 0.1% 197 21.8% 28 619.6 2890.0
TITLE WORD 272143 29.4% 96,997 35.6% 3 52.7 375.3
EXACT TITLE 51,210 5.5% 22,459 43.9% 2 34.5 280.3
SUBJECT 126258 13.6% 62,721 49.7% 28 467.4 2447.4
EXACT SUBJECT 13,705 1.5% 2,567 18.7% 15 228.8 1098.3
UNIFORM TITLE 418 0.0% 70 16.7% 2 245.7 1759.5
SERIES 3,815 0.4% 950 24.9% 10 108.0 386.7
DATE 11,677 1.3% 3,566 30.5% 9 255.9 2781.2
ADDED SINCE 4,918 0.5% 4,763 96.8% 2 109.4 770.8
LANGUAGE 33,468 3.6% 13,296 39.7% 37 498.8 2967.9
LCCN 6,497 0.7% 1,175 18.1% 1 1.2 1.0
ISBN 70,838 7.6% 35,571 50.2% 1 1.6 23.3
ISSN 5,562 0.6% 5,021 90.3% 2 12.1 34.9
DLA ID 939 0.1% 4 0.4% 1 1.0 0.0
MUSIC PUBLISHER 232 0.0% 129 55.6% 3 89.4 587.3
GOV'T DOC NUM 155 0.0% 53 34.2% 1 31.5 220.2
REPORT NUM 44 0.0% 26 59.1% 1 1.1 0.2
STOCK NUM 32 0.0% 0 0.0% 1 427.2 766.8
GPO ITEM NUM 44 0.0% 25 56.8% 57 80.4 79.7
FORM 15,792 1.7% 4,977 31.5% 9 191.1 2401.0
MUSIC KEY 7 0.0% 1 14.3% 21 651.5 1311.3
GEO CLASS 4 0.0% 0 0.0% 29 27.0 4.2
THEMATIC NUMBER 97 0.0% 90 92.8% 6 78.3 181.8
SCALE 15 0.0% 5 33.3% 5 12.1 17.0
AT 105847 11.4% 41,892 39.6% 9 163.6 928.0
Other indexes 42,096 4.5% 14,746 35.0% 5 137.5 1002.4
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 211,349 32.1% 83,602 39.6% 4 151.0 1147.2
Single 446,511 67.9% 170842 38.3% 4 128.5 1335.7
PRESENT commands, by type:
MARC 39.6%
OPAC 45.1%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)