MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/99 through 08/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,181 29,483
2-4 a.m. 648 8,130
4-6 a.m. 379 2,884
6-8 a.m. 745 13,866
8-10 a.m. 3,019 89,056
10-12 a.m. 7,490 236,283
12-2 p.m. 9,186 301,574
2-4 p.m. 10,976 399,244
4-6 p.m. 8,401 311,478
6-8 p.m. 3,551 129,623
8-10 p.m. 2,068 81,646
10-12 p.m. 1,672 56,933
__________ _____________ _________________
Total: 49,316 1,660,200
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 129
Davis 60
Irvine 11
Los Angeles 16
Riverside 3
San Diego 4,912
San Francisco 27
Santa Barbara 0
Santa Cruz 201
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 1
MELWEB 42,742
Other - UC 1,068
Other-Network UC 146
_____
49,316
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3,365
Davis 967
Irvine 12
Los Angeles 718
Riverside 1
San Diego 123
San Francisco 752
Santa Barbara 0
Santa Cruz 1,061
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 10
MELWEB 1,633,707
Other - UC 16,618
Other-Network UC 2,866
_____
1,660,200
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 8.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.7
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:08
Average session length (minutes:seconds) 22:13
Longest session recorded (minutes:seconds) 245:14
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 900.2
Retrievals per search - standard deviation 12353
Percent of searches completed with 0 results 22.7%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 49,316 12.9%
PRESENT 312,753 82.0%
INIT or CLOSE 18,941 5.0%
OTHER 513 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 7,976 12.2% 2,485 31.2% 6 53.2 517.8
TITLE WORD 5,653 8.7% 1,949 34.5% 7 246.9 1774.3
EXACT TITLE 897 1.4% 597 66.6% 1 27.4 144.4
JOURNAL TITLE 3,803 5.8% 2,228 58.6% 15 3025.3 18276.6
EXACT JOURNAL 2,431 3.7% 714 29.4% 433 3104.5 8775.1
SUBJECT WORD 4,639 7.1% 1,963 42.3% 16 377.3 2096.6
EXACT SUBJECT 2,450 3.8% 513 20.9% 14 4109.4 52053.6
KEYWORD 27,443 42.1% 3,772 13.7% 25 1031.6 8095.9
DATE 1,669 2.6% 434 26.0% 20 158.7 591.1
ADDED SINCE 283 0.4% 199 70.3% 4 15.8 32.9
PUB TYPE 431 0.7% 221 51.3% 8 141.0 701.4
SUBFILE 312 0.5% 93 29.8% 83 609.7 3376.2
ID 59 0.1% 2 3.4% 1 1.0 0.0
ISSN 19 0.0% 12 63.2% 787 921.3 563.7
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 23 0.0% 13 56.5% 11 111.6 176.0
ARTICLE 1,782 2.7% 281 15.8% 135 757.2 2480.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 5,270 8.1% 1,359 25.8% 27 966.1 7705.6
Other indexes 62 0.1% 36 58.1% 49 276.2 788.4
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 12,688 25.7% 4,170 32.9% 20 629.9 5398.8
Single 36,628 74.3% 7,011 19.1% 18 1317.8 15659.7
PRESENT commands, by type:
MARC 45.4%
OPAC 28.1%