Katalon Parallel execution

I am using Katalon 6.1.4

While Parallel execution if we select > 10 instance Katalon not able to handle it. Showing execution error.

Could you please suggest how can I increase instance > 10 in Parallel execution.

Could you please let me know how many instance katalon can handle in Parallel execution.


you may have to increase the java heapsize allocation.
check your katalon.ini file and tune the values for Xms and Xmx

see also this: [TIP] How to help reduce memory consumption in Katalon Studio v6.3.0 and above

still no luck. it is giving the same error.

please post the detailed error you get … and wait for a developer to jump onto the topic
details about OS and java version used will be usefull too.
also, you can try a newer version, e.g. 6.3.3 and see if is still reproducing.
thank you!

OS - Windows 10 enterprise
java -
C:.…\jre\bin>java -version
java version “1.8.0_181”
Java™ SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot™ 64-Bit Server VM (build 25.181-b13, mixed mode)

Error details attached -

In between I will try with latest version and update the result

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