If the directory/file paths specified in this guide do not exist in your WSO2 product, see Directory Structure of WSO2 Products to locate the paths applicable to your product.
Administration Guide 4.4.x

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The <PRODUCT_HOME>/repository/conf/etc/config-validation.xml file contains the recommended system configurations for a server. When you start the server, the system configurations will be validated against these recommendations, and warnings will be published if conflicts are found. See more details on system requirements for your product on Installation Prerequisites, and the procedure for starting a server in Running the Product.

Given below are the default recommendations in the config-validation.xml file. If required, you may change some of these recommendations on this file according to the conditions in your production environment.

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Following are the system parameter values recommended for the purpose of running a WSO2 product server.

ParameterParameter DescriptionParameter Value
CPURequired processor speed.800
RAMRequired RAM in your environment.2048
swapRequired space in hard disk to use for virtual memory.2048
freeDiskFree disk space required in your environment.1024
ulimit

The limit of resources per user. This value indicates the limit on the number of file descriptors a process may have.

This property is specified in the product startup script as shown below. For example, see the product startup script for Linux: <PRODUCT_HOME>/bin/wso2server.sh:

Code Block
#ulimit -n 100000
4096

If the values set for these parameters in your environment are less than the recommendations, the following warnings will be published when you start your server.

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The following JVM heap size values are recommended by default in the config-validation.xml file. 

ParameterDescriptionParameter Value
initHeapSizeThe initial heap size that applies if the JVM requires more memory than is allocated by default.256
maxHeapSizeThe maximum heap size that applies if the JVM requires more memory than is allocated by default.512
maxPermGenSizeThe maximum heap size of the permanent generation of heap.256

These parameters are specified in the product startup script as shown below, where, "-Xms", "-Xmx" and "-XX" correspond to "initHeapSize", "maxHeapSize" and "maxPermGenSize" respectively. For example, see the product startup script for Linux: <PRODUCT_HOME>/bin/wso2server.sh.

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