MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/99 through 01/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,542 56,225
2-4 a.m. 416 15,460
4-6 a.m. 144 5,326
6-8 a.m. 411 12,367
8-10 a.m. 5,360 143,446
10-12 a.m. 12,593 389,656
12-2 p.m. 16,842 523,913
2-4 p.m. 19,259 628,493
4-6 p.m. 15,308 485,271
6-8 p.m. 7,598 266,772
8-10 p.m. 6,413 232,092
10-12 p.m. 4,021 142,406
__________ _____________ _________________
Total: 89,907 2,901,427
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 136
Davis 68
Irvine 280
Los Angeles 48
Riverside 0
San Diego 476
San Francisco 8
Santa Barbara 8
Santa Cruz 12
Lawrence Berkeley 1
Lawrence Livermore 6
Los Alamos 0
MELWEB 87,874
Other - UC 917
Other-Network UC 73
_____
89,907
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,930
Davis 1,923
Irvine 2,491
Los Angeles 565
Riverside 0
San Diego 335
San Francisco 19
Santa Barbara 52
Santa Cruz 687
Lawrence Berkeley 100
Lawrence Livermore 22
Los Alamos 0
MELWEB 2,875,878
Other - UC 15,456
Other-Network UC 1,969
_____
2,901,427
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 1.7
Standard deviation in seconds 8.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 26:53
Average session length (minutes:seconds) 31:16
Longest session recorded (minutes:seconds) 211:20
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1102.9
Retrievals per search - standard deviation 17479
Percent of searches completed with 0 results 31.6%
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 89,907 12.4%
PRESENT 613,770 84.5%
INIT or CLOSE 21,905 3.0%
OTHER 1,033 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 12,923 10.1% 5,644 43.7% 7 93.5 632.9
TITLE WORD 10,026 7.9% 4,406 43.9% 9 379.4 2431.7
EXACT TITLE 1,263 1.0% 896 70.9% 1 68.4 450.7
JOURNAL TITLE 7,633 6.0% 5,042 66.1% 30 3072.8 14163.8
EXACT JOURNAL 2,914 2.3% 1,272 43.6% 843 6042.1 13775.6
SUBJECT WORD 11,376 8.9% 5,973 52.5% 17 603.7 10930.4
EXACT SUBJECT 5,608 4.4% 1,509 26.9% 17 8509.7 73476.7
KEYWORD 50,855 39.8% 11,373 22.4% 38 1050.4 9529.5
DATE 3,749 2.9% 1,178 31.4% 25 180.7 1209.7
ADDED SINCE 241 0.2% 114 47.3% 13 68.7 155.0
PUB TYPE 1,056 0.8% 564 53.4% 13 3231.0 42329.7
SUBFILE 724 0.6% 303 41.8% 27 138.5 656.4
ID 1 0.0% 1 100% 0 0.0 0.0
ISSN 14 0.0% 12 85.7% 463 462.5 106.8
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 39 0.0% 32 82.1% 4 161.1 296.8
ARTICLE 1,903 1.5% 615 32.3% 31 541.8 5115.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 17,317 13.6% 5,448 31.5% 48 1084.9 9004.9
Other indexes 4 0.0% 1 25.0% 14 14.0 0.0
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 28,766 32.0% 11,355 39.5% 29 915.5 10509.0
Single 61,141 68.0% 17,084 27.9% 27 1888.8 24049.6
PRESENT commands, by type:
MARC 42.2%
OPAC 26.7%