MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/00 through 11/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 4,421 144,498
2-4 a.m. 1,098 38,978
4-6 a.m. 391 12,549
6-8 a.m. 925 32,048
8-10 a.m. 8,061 253,151
10-12 a.m. 23,863 783,462
12-2 p.m. 32,517 1,098,992
2-4 p.m. 38,512 1,340,526
4-6 p.m. 30,695 1,073,970
6-8 p.m. 18,834 688,909
8-10 p.m. 16,638 581,368
10-12 p.m. 10,507 401,572
__________ _____________ _________________
Total: 186,462 6,450,023
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 303
Davis 105
Irvine 48
Los Angeles 67
Riverside 2
San Diego 109
San Francisco 24
Santa Barbara 71
Santa Cruz 9
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 170,353
Searchlight 11,489
Other - UC 3,622
Other-Network UC 260
_____
186,462
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 76,321
Davis 2,760
Irvine 321
Los Angeles 743
Riverside 112
San Diego 103
San Francisco 68
Santa Barbara 774
Santa Cruz 53
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 6,283,356
Searchlight 2,972
Other - UC 77,787
Other-Network UC 4,653
_____
6,450,023
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 6.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.7
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:48
Average session length (minutes:seconds) 24:45
Longest session recorded (minutes:seconds) 373:13
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1071.9
Retrievals per search - standard deviation 16346
Percent of searches completed with 0 results 23.0%
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 186,462 12.2%
PRESENT 1,269,943 83.0%
INIT or CLOSE 70,265 4.6%
OTHER 2,530 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 22,230 8.5% 6,801 30.6% 6 62.2 508.3
TITLE WORD 20,314 7.8% 6,753 33.2% 4 238.2 2381.9
EXACT TITLE 3,156 1.2% 2,082 66.0% 1 93.1 572.9
JOURNAL TITLE 13,655 5.2% 6,950 50.9% 8 2147.8 12498.3
EXACT JOURNAL 11,273 4.3% 2,252 20.0% 919 6774.6 25740.0
SUBJECT WORD 21,210 8.1% 9,320 43.9% 13 922.3 22183.8
EXACT SUBJECT 10,256 3.9% 1,941 18.9% 13 4617.5 58838.0
KEYWORD 106989 41.1% 17,654 16.5% 23 794.8 9286.8
DATE 6,801 2.6% 1,545 22.7% 24 182.0 1633.1
ADDED SINCE 686 0.3% 418 60.9% 5 59.1 580.3
PUB TYPE 1,879 0.7% 705 37.5% 12 316.4 2956.4
SUBFILE 2,127 0.8% 537 25.2% 25 237.2 1461.4
ID 515 0.2% 2 0.4% 1 1.0 0.0
ISSN 53 0.0% 34 64.1% 152 1273.1 3235.8
SIC 255 0.1% 13 5.1% 1,317 5860.2 10174.6
ILLUS 109 0.0% 41 37.6% 20 257.4 804.9
ARTICLE 4,263 1.6% 874 20.5% 29 221.6 1315.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 34,552 13.3% 7,948 23.0% 26 847.0 6265.3
Other indexes 196 0.1% 143 73.0% 29 641.5 1461.4
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 59,226 31.8% 17,097 28.9% 16 607.1 5327.1
Single 127,236 68.2% 25,763 20.2% 21 1717.7 21867.9
PRESENT commands, by type:
MARC 47.8%
OPAC 28.8%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (