MELSRV MAGAZINE & JOURNAL 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. 5,527 200,739
2-4 a.m. 2,451 69,482
4-6 a.m. 663 20,623
6-8 a.m. 1,294 36,361
8-10 a.m. 9,704 285,506
10-12 a.m. 25,013 749,744
12-2 p.m. 31,253 975,277
2-4 p.m. 36,691 1,165,136
4-6 p.m. 29,879 979,686
6-8 p.m. 18,892 661,858
8-10 p.m. 17,759 601,648
10-12 p.m. 12,745 454,875
__________ _____________ _________________
Total: 191,871 6,200,935
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 117
Davis 74
Irvine 182
Los Angeles 174
Riverside 25
San Diego 87
San Francisco 7
Santa Barbara 33
Santa Cruz 29
Lawrence Berkeley 2
Lawrence Livermore 0
Los Alamos 0
MELWEB 177,933
Searchlight 11,682
Other - UC 1,292
Other-Network UC 234
_____
191,871
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,492
Davis 1,365
Irvine 1,092
Los Angeles 2,110
Riverside 433
San Diego 803
San Francisco 102
Santa Barbara 374
Santa Cruz 198
Lawrence Berkeley 3
Lawrence Livermore 0
Los Alamos 0
MELWEB 6,148,956
Searchlight 13,259
Other - UC 28,536
Other-Network UC 2,212
_____
6,200,935
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 5.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 22:21
Average session length (minutes:seconds) 24:06
Longest session recorded (minutes:seconds) 274:09
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1086.0
Retrievals per search - standard deviation 17754
Percent of searches completed with 0 results 22.9%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 191,871 13.2%
PRESENT 1,184,853 81.6%
INIT or CLOSE 73,084 5.0%
OTHER 2,365 0.2%
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 23,105 8.7% 7,231 31.3% 6 64.7 970.2
TITLE WORD 20,607 7.7% 6,970 33.8% 4 264.3 3346.2
EXACT TITLE 3,360 1.3% 2,110 62.8% 1 48.6 322.9
JOURNAL TITLE 13,800 5.2% 6,948 50.3% 10 2464.0 14249.5
EXACT JOURNAL 13,605 5.1% 2,555 18.8% 810 4966.5 11294.4
SUBJECT WORD 19,823 7.4% 8,651 43.6% 12 416.0 8311.7
EXACT SUBJECT 9,813 3.7% 1,729 17.6% 12 6383.6 71735.4
KEYWORD 111921 41.9% 19,249 17.2% 21 833.8 12610.9
DATE 5,340 2.0% 1,437 26.9% 19 158.3 643.0
ADDED SINCE 656 0.2% 482 73.5% 4 36.8 106.0
PUB TYPE 2,165 0.8% 713 32.9% 16 207.7 2027.0
SUBFILE 2,454 0.9% 543 22.1% 28 290.3 1760.9
ID 85 0.0% 6 7.1% 1 1.0 0.0
ISSN 25 0.0% 19 76.0% 298 6919.2 15732.1
SIC 13 0.0% 3 23.1% 3 39.3 63.4
ILLUS 78 0.0% 42 53.8% 35 56.4 95.6
ARTICLE 4,012 1.5% 836 20.8% 32 302.3 2124.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 35,741 13.4% 8,146 22.8% 25 976.4 6779.0
Other indexes 368 0.1% 287 78.0% 6 330.4 1856.6
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 60,305 31.4% 17,743 29.4% 16 700.2 5676.8
Single 131,566 68.6% 26,245 19.9% 21 1695.5 23669.9
PRESENT commands, by type:
MARC 44.8%
OPAC 32.2%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (