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Here are the steps to get started.  You may want to start with a 1GB max heap setting and increase if the need arises.  

1. Stop Joget.

Wiki Markup
2. Open and edit \[KB:Joget Installation Directory\]/joget-start.bat.

3. Modify

  1. Code Block
    
set JAVA
    Modify set JAVA
    _OPTS=-XX:MaxPermSize=128m -Xmx512M -Dwflow.home=./wflow/
    on line 13 to to 
  1. Code Block
    
set JAVA_OPTS=-XX:MaxPermSize=256m -Xmx1024M -Dwflow.home=./wflow/
    .
     -XX:UseConcMarkSweepGC

4. Save and start Joget.

NOTE:

Please take note should you encounter any of the following OutOfMemory errors:

java.lang.OutOfMemoryError: Java heap space

Increase the maximum heap size -Xmx

java.lang.OutOfMemoryError: PermGen space

Increase the maximum permgen size -XX:MaxPermSize

java.lang.OutOfMemoryError: GC overhead limit exceeded

Enable the concurrent garbage collector -XX:UseConcMarkSweepGC

There are many online resources for further tuning, e.g., http://www.oracle.com/technetwork/java/performance-138178.html.

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