Maximum heap size that can be set for TIBCO BusinessEvents engine with a 32-bit JVM.
Article ID: KB0093716
Updated On:
| Products | Versions |
|---|---|
| TIBCO BusinessEvents Enterprise Edition | - |
| Not Applicable | - |
Description
Resolution:
The Maximum theoretical heap limit for the 32-bit JVM is 4G. Due to various additional constraints, such as available swap, kernel address space usage, memory fragmentation and VM overhead, in practice the limit will be much lower.
- On most 32-bit Windows systems the maximum heap size will range from 1.4G to 1.6G.
- On 32-bit Solaris kernels the address space is limited to 2G.
- On 64-bit operating systems running a 32-bit VM, the max heap size can be higher, approaching 4G on many Solaris systems.
If your application requires a large heap space, especially if your engine is acting as a cache engine, you should use a 64-bit VM on a version of the operating system that supports 64-bit applications. You can run multiple 32-bit JVMs configured as cache agents with a 1GB max heap .
Issue/Introduction
Maximum heap size that can be set for TIBCO BusinessEvents engine with a 32-bit JVM.
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