MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/99 through 09/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 15,642 227,124
2-4 a.m. 14,959 164,306
4-6 a.m. 14,056 177,717
6-8 a.m. 20,186 290,204
8-10 a.m. 35,594 735,885
10-12 a.m. 58,914 1,436,353
12-2 p.m. 58,767 1,519,897
2-4 p.m. 57,219 1,509,271
4-6 p.m. 41,140 1,048,483
6-8 p.m. 24,567 521,897
8-10 p.m. 20,150 376,851
10-12 p.m. 16,775 301,349
__________ _____________ _________________
Total: 377,969 8,309,337
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 824
Davis 254
Irvine 1,672
Los Angeles 216
Riverside 4
San Diego 76
San Francisco 151
Santa Barbara 98
Santa Cruz 296
Lawrence Berkeley 67
Lawrence Livermore 2
Los Alamos 1
MELWEB 245,949
Other - UC 4,255
Other-Network UC 124,104
_____
377,969
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,836
Davis 2,117
Irvine 8,252
Los Angeles 2,648
Riverside 9
San Diego 1,851
San Francisco 1,306
Santa Barbara 1,071
Santa Cruz 924
Lawrence Berkeley 711
Lawrence Livermore 7
Los Alamos 10
MELWEB 6,804,343
Other - UC 77,173
Other-Network UC 1,396,079
_____
8,309,337
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 7.6
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) 20:20
Average session length (minutes:seconds) 15:18
Longest session recorded (minutes:seconds) 306:30
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 114.3
Retrievals per search - standard deviation 2261.6
Percent of searches completed with 0 results 39.3%
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 377,969 18.8%
PRESENT 1,477,805 73.5%
INIT or CLOSE 153,386 7.6%
OTHER 1,875 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 96,893 18.6% 29,065 30.0% 6 69.2 352.1
CORPORATE AUTHOR 4,367 0.8% 1,922 44.0% 11 515.0 5013.4
EXACT CORP. AUT. 790 0.2% 178 22.5% 35 679.9 3742.3
TITLE WORD 137254 26.4% 46,619 34.0% 3 58.0 695.9
EXACT TITLE 40,473 7.8% 18,787 46.4% 2 37.6 507.1
SUBJECT 72,083 13.8% 35,001 48.6% 34 537.1 6479.0
EXACT SUBJECT 8,302 1.6% 1,751 21.1% 13 230.3 1018.9
UNIFORM TITLE 603 0.1% 128 21.2% 6 269.6 1775.6
SERIES 2,596 0.5% 748 28.8% 12 129.9 447.8
DATE 6,314 1.2% 1,963 31.1% 16 297.0 3377.7
ADDED SINCE 929 0.2% 755 81.3% 2 189.6 1077.5
LANGUAGE 21,581 4.1% 8,821 40.9% 35 543.2 3361.7
LCCN 2,683 0.5% 1,554 57.9% 1 1.4 3.6
ISBN 33,182 6.4% 22,747 68.6% 1 1.6 22.8
ISSN 676 0.1% 606 89.6% 5 57.5 240.0
DLA ID 10 0.0% 8 80.0% 1 1.0 0.0
MUSIC PUBLISHER 52 0.0% 24 46.2% 13 89.7 294.7
GOV'T DOC NUM 132 0.0% 47 35.6% 1 81.6 553.1
REPORT NUM 45 0.0% 22 48.9% 1 70.1 293.7
STOCK NUM 10 0.0% 0 0.0% 1 55.2 170.3
GPO ITEM NUM 22 0.0% 8 36.4% 142 2098.1 4177.2
FORM 11,930 2.3% 4,034 33.8% 7 222.9 2629.1
MUSIC KEY 14 0.0% 5 35.7% 6 454.8 1276.1
GEO CLASS 10 0.0% 5 50.0% 25 108.4 180.9
THEMATIC NUMBER 115 0.0% 96 83.5% 6 34.0 61.9
SCALE 3 0.0% 0 0.0% 6 99.0 164.6
AT 48,435 9.3% 17,834 36.8% 9 167.8 1027.8
Other indexes 31,236 6.0% 11,246 36.0% 8 422.0 2338.8
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 109,886 29.1% 42,130 38.3% 4 169.4 1452.4
Single 268,083 70.9% 106518 39.7% 7 196.3 3325.8
PRESENT commands, by type:
MARC 44.6%
OPAC 34.7%