MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 04/21/01 through 04/27/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 8,532 110,505
2-4 a.m. 5,362 68,568
4-6 a.m. 5,869 65,299
6-8 a.m. 10,086 112,965
8-10 a.m. 16,338 268,517
10-12 a.m. 24,359 492,451
12-2 p.m. 25,527 617,968
2-4 p.m. 24,303 587,647
4-6 p.m. 18,441 437,492
6-8 p.m. 12,843 274,010
8-10 p.m. 10,024 266,283
10-12 p.m. 9,149 195,331
__________ _____________ _________________
Total: 170,833 3,497,036
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 434
Davis 117
Irvine 229
Los Angeles 61
Riverside 3
San Diego 49
San Francisco 58
Santa Barbara 42
Santa Cruz 33
Lawrence Berkeley 20
Lawrence Livermore 3
Los Alamos 1
MELWEB 107,478
Searchlight 4,255
Other - UC 932
Other-Network UC 57,118
_____
170,833
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 5,600
Davis 982
Irvine 1,205
Los Angeles 2,365
Riverside 2
San Diego 884
San Francisco 415
Santa Barbara 301
Santa Cruz 33
Lawrence Berkeley 477
Lawrence Livermore 15
Los Alamos 33
MELWEB 2,995,852
Searchlight 1,129
Other - UC 10,489
Other-Network UC 477,254
_____
3,497,036
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 1.9
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:02
Average session length (minutes:seconds) 14:03
Longest session recorded (minutes:seconds) 331:31
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 85.9
Retrievals per search - standard deviation 1034.3
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 170,833 19.7%
PRESENT 616,468 71.1%
INIT or CLOSE 78,990 9.1%
OTHER 754 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 37,066 15.2% 11,654 31.4% 6 61.1 325.3
CORPORATE AUTHOR 1,162 0.5% 508 43.7% 10 871.4 9504.3
EXACT CORP. AUT. 239 0.1% 50 20.9% 23 338.4 1768.8
TITLE WORD 68,701 28.2% 27,569 40.1% 3 53.9 316.3
EXACT TITLE 16,222 6.7% 7,997 49.3% 2 56.2 1471.7
SUBJECT 40,751 16.7% 22,244 54.6% 25 415.6 2068.2
EXACT SUBJECT 3,930 1.6% 867 22.1% 13 212.4 797.4
UNIFORM TITLE 151 0.1% 32 21.2% 3 192.3 781.3
SERIES 859 0.4% 228 26.5% 10 144.2 474.3
DATE 3,211 1.3% 1,120 34.9% 9 112.3 1549.3
ADDED SINCE 454 0.2% 408 89.9% 2 113.5 722.5
LANGUAGE 10,292 4.2% 4,459 43.3% 32 410.8 1775.1
LCCN 1,160 0.5% 353 30.4% 1 1.8 8.1
ISBN 14,197 5.8% 7,702 54.3% 1 2.7 41.7
ISSN 263 0.1% 243 92.4% 2 31.6 63.9
DLA ID 187 0.1% 2 1.1% 1 1.0 0.0
MUSIC PUBLISHER 215 0.1% 86 40.0% 2 40.7 253.9
GOV'T DOC NUM 43 0.0% 10 23.3% 1 1.2 0.4
REPORT NUM 10 0.0% 3 30.0% 1 1.3 0.5
STOCK NUM 9 0.0% 0 0.0% 1 1006.1 2324.3
GPO ITEM NUM 8 0.0% 7 87.5% 450 450.0 0.0
FORM 3,713 1.5% 1,314 35.4% 10 161.4 986.2
MUSIC KEY 0 0.0% 0 0.0% 0 0.0 0.0
GEO CLASS 0 0.0% 0 0.0% 0 0.0 0.0
THEMATIC NUMBER 31 0.0% 28 90.3% 33 26.3 18.0
SCALE 2 0.0% 1 50.0% 919 919.0 0.0
AT 27,797 11.4% 11,615 41.8% 9 173.5 918.2
Other indexes 13,166 5.4% 5,037 38.3% 6 204.1 1123.9
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 57,316 33.6% 25,769 45.0% 5 149.5 985.5
Single 113,517 66.4% 44,931 39.6% 5 145.3 1484.9
PRESENT commands, by type:
MARC 38.8%
OPAC 45.3%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)