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Appendix B: Tomcat Configuration

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RMS Enterprise - Installation Guide

Appendix B: Tomcat Configuration

Overview

In configuring RMS Enterprise, there are system variables involved that include:

The size of the RMS system (for example, the number of rooms in the system as well as the number

of devices in each room).

The characteristics of the network on which RMS is installed.

The manner in which the RMS system is designed, programmed and used.

The hardware and software configuration of the RMS server and RMS database server.

All of these variables can affect the overall performance of the RMS system.

In particular, the MaxPermSize, Initial Memory Pool and Maximum Memory Pool settings for Tomcat may

need to be adjusted from the suggested default values that are provided in the Configuring Apache

Tomcat section on page 20.

As indicated in the Installing Apache Tomcat v6.0.x section, Tomcat must be restarted after the final step in the

configuration procedure. Testing has indicated that in some cases, Tomcat will not restart if the recommended

memory settings are incompatible with a specific PC (usually due to the hardware configuration of the server).

Specifically, the Tomcat Start/Start options in the task bar are disabled, and the system manager indicates that

Tomcat is in "Starting" mode.

The recommended method of troubleshooting this issue is to perform a test that will establish valid values for

MaxPermSize, Initial Memory Pool and Maximum Memory Pool, for the server that will run the RMS

Enterprise application.

Testing for Acceptable Java Memory Settings

1. Open a command prompt on the server that will run the RMS Enterprise application.

2. Enter the following command at the Command prompt:

java -Xms<MB> -Xmx<MB> -XX:MaxPermSize=<MB>

where:

Xms - Minimum heap size

Xmx - Maximum heap size

3. Enter values (in MB) for the minimum and maximum heap size as well as for MaxPermSize.

a. If the values entered are acceptable for this server, then the allocations are made and no error message

is invoked (FIG. 146):

FIG. 146 Java memory settings - no errors

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AMX RMS CODECRAFTER Guia de Instalação Página 111