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 Animesh Dey (AnimeshD6938)
Accenture Services Pvt Ltd

Accenture Services Pvt Ltd
IN
AnimeshD6938 Member since 2015 32 posts
Accenture Services Pvt Ltd
Posted: December 28, 2016
Last activity: January 9, 2017
Posted: 28 Dec 2016 0:59 EST
Last activity: 9 Jan 2017 18:00 EST
Closed

JVM memory settings for Production

For pega 7 development environment the recommended JVM heap size is 4 GB. It is also recommended that to get good performnace set the Initial heap size and max heap size both same, 4GB.

For production environment it is recommended to have atleat 8GB heap size.

Now the question is, for production also do I need to set Initial heap size and max heap size same, both 8GB?

It will be really hepful if anyone can give confirmation on this.

Thanks.

System Administration
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Posted: 4 years ago
Posted: 28 Dec 2016 5:33 EST
Santanu Bhattacherjee (Santanu)
PEGA
Senior Manager - Sales Automation
Pegasystems Inc.
IN

Yes i guess so, I can see many other customer having this settings.


However, please consult your LSA and system administrator before finalizing it.
Posted: 4 years ago
Posted: 9 Jan 2017 18:00 EST
Kevin Zheng (KevinZheng_GCS)
PEGA
Director, Software Solutions Engineering
Pegasystems Inc.
US

You should definitely set Xms and Xmx the same for a production environment. This is because a well-sized JVM will reach the maximum heap anyway, you might as well allocate the heap before actual work --- trading startup time with memory allocation time during actual work processing. This can also potentially avoid excessive GC.