MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/00 through 01/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,029 70,951
2-4 a.m. 671 23,518
4-6 a.m. 194 7,914
6-8 a.m. 588 17,367
8-10 a.m. 5,921 168,132
10-12 a.m. 14,604 460,331
12-2 p.m. 19,086 619,321
2-4 p.m. 21,703 743,547
4-6 p.m. 17,220 602,940
6-8 p.m. 9,211 362,655
8-10 p.m. 7,872 311,072
10-12 p.m. 4,753 193,362
__________ _____________ _________________
Total: 103,852 3,581,110
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 81
Davis 92
Irvine 105
Los Angeles 16
Riverside 0
San Diego 1,039
San Francisco 22
Santa Barbara 2
Santa Cruz 77
Lawrence Berkeley 4
Lawrence Livermore 3
Los Alamos 0
MELWEB 101,162
Other - UC 1,036
Other-Network UC 213
_____
103,852
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,205
Davis 2,657
Irvine 910
Los Angeles 357
Riverside 0
San Diego 139
San Francisco 95
Santa Barbara 62
Santa Cruz 761
Lawrence Berkeley 44
Lawrence Livermore 5
Los Alamos 0
MELWEB 3,547,992
Other - UC 22,429
Other-Network UC 3,454
_____
3,581,110
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 6.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.0
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 23:27
Average session length (minutes:seconds) 24:40
Longest session recorded (minutes:seconds) 322:02
Average number of searches completed per session 0.0
Retrievals per search - median 9.0
Retrievals per search - average 895.9
Retrievals per search - standard deviation 12074
Percent of searches completed with 0 results 23.2%
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 103,852 12.7%
PRESENT 677,575 82.6%
INIT or CLOSE 37,579 4.6%
OTHER 1,035 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 14,087 9.6% 4,603 32.7% 6 70.6 521.0
TITLE WORD 10,614 7.2% 3,668 34.6% 6 323.0 2984.4
EXACT TITLE 1,751 1.2% 1,199 68.5% 1 136.1 855.3
JOURNAL TITLE 7,959 5.4% 4,381 55.0% 17 2469.3 10583.8
EXACT JOURNAL 5,470 3.7% 1,389 25.4% 588 4600.8 10374.4
SUBJECT WORD 11,534 7.9% 4,821 41.8% 15 416.0 9077.2
EXACT SUBJECT 5,486 3.7% 1,080 19.7% 12 3312.9 47780.5
KEYWORD 59,505 40.6% 9,270 15.6% 32 913.0 8377.7
DATE 4,513 3.1% 1,183 26.2% 26 161.1 717.3
ADDED SINCE 615 0.4% 471 76.6% 3 31.7 242.6
PUB TYPE 946 0.6% 403 42.6% 14 119.9 755.2
SUBFILE 1,497 1.0% 386 25.8% 25 190.7 959.9
ID 41 0.0% 3 7.3% 1 1.0 0.0
ISSN 11 0.0% 10 90.9% 1,988 1988.0 0.0
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 28 0.0% 17 60.7% 40 61.0 83.1
ARTICLE 3,559 2.4% 437 12.3% 138 2109.0 5048.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 18,673 12.7% 4,173 22.3% 36 821.2 5057.9
Other indexes 197 0.1% 134 68.0% 79 2875.3 6255.1
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 33,805 32.6% 9,769 28.9% 26 816.1 4462.8
Single 70,047 67.4% 14,345 20.5% 23 1318.2 16207.1
PRESENT commands, by type:
MARC 44.8%
OPAC 33.2%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (