Performance Tuning for Informer PRESENTER: Jason Vorenkamp| [email protected] | October 11,...
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Transcript of Performance Tuning for Informer PRESENTER: Jason Vorenkamp| [email protected] | October 11,...
ARE YOU ON THE LATEST VERSION OF INFORMER?
Version 4.1
Improved Result Rendering
Improved SQL queries
Version 4.2
Optional Report Sample
Optimized Auto-suggest
3
Database Server Web Server Client Machine
Open a Connection Load Results
Calculations
Arranging Data
Execute the Query
Render the Results
Compute Functions
4
Database Server Web Server Client Machine
Pentium 4® or higher
2 GB recommended
Disk Space: 500 MB
Google Chrome
Firefox
DO YOU HAVE THEMINIMUM SYSTEM REQUIREMENTS?
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Database Server
Open a Connection
Do you have enough database licenses?
Has Informer reached its connection maximum?
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Database Server
Open a Connection
Do you have enough database licenses?
UniData : LISTUSER
UniVerse : CONFIG
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Database Server
Open a Connection
Has Informer reached its connection maximum?
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Database Server
Open a Connection
Has Informer reached its connection maximum?
9
Database Server
Execute the Query
Do you have initialization subroutines?
Are you selecting on a virtual field from large dataset?
Are you returning a large number of rows?
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Database Server
Execute the Query
Do you have initialization subroutines?
UniData / UniVerse:Consider purchasing a connection pooling license to reduce initialization subroutine overhead.
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Database Server
Execute the Query
Are you selecting on a virtual field from large dataset?
PERSON FILE 60,000 RECORDS
SELECT PERSON WITH AGE = 18 5,000 RECORDS
SELECT PERSON WITH NAME = “JASON” 50 RECORDS
1 MINUTE
10 SECONDS
= 1 MINUTE : 10 SECONDSTOTAL
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Database Server
Execute the Query
Are you selecting on a virtual field from large dataset?
PERSON FILE 60,000 RECORDS
SELECT PERSON WITH NAME = “JASON” 500 RECORDS
SELECT PERSON WITH AGE = 18 50 RECORDS
20 SECONDS
2 SECONDS
= 22 SECONDSTOTAL
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Database Server
Execute the Query / Loading Results
Are you returning a large number of rows?
Database Server Web Server
Web Server
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Web Server
Calculations
Do you have calculated columns in your report?
What is the nature of the calculated columns?
Does it loop through an iteration? Does it check an if-then-else statement? Does it run a subroutine or function?
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Web Server
Calculations
Do you have calculated columns in your report?
60,000 RECORDS
10 ITERATIONS
600,000 CALCULATIONS!
X
=
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Web Server
Arranging Data
Is your data Sorted?
Are you normalizing on multi-values?
Is your data being grouped?
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Web Server
Compute Functions
Are you subtotaling/averaging groups?
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Rendering the Results
Again, is your data being grouped?
Are you displaying all records instead of a paged set?
Do you have a large number of columns?
Client Machine
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Rendering the Results
Again, is your data being grouped?
Group Headers are not shown in pages!
10,000 Groups = 10,000 Items to render!Client Machine
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Rendering the Results
Are you displaying all records instead of a paged set?
Paged:
Not Paged:Client Machine
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Rendering the Results
Do you have a large number of columns?
10,000 Rows x 10 Columns = 100,000 Cells
10,000 Rows x 20 Columns = 200,000 Cells
Twice the information, Twice the render time!
Client Machine
Thank you! Any questions?
