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How to increase Zephyr memory allocation in Windows systems

Created on

Problem

Zephyr server sees poor performance on larger systems during certain times

Cause

Java applications like Zephyr run in a "Java virtual machine" (JVM). When started, the Java virtual machine is allocated a certain amount of memory. By default, Java virtual machines are allocated a small portion of the total system memory, no matter how many gigabytes of memory your server may actually have available.This may be inadequate for medium to large Zephyr installations, and so this needs to be increased

Fix

Steps to increase the default memory:

1.       Click Start, then *Run..." and type regedit

2.       In the registry editor, navigate through these steps

HKEY_LOCAL_MACHINE -> SOFTWARE -> Apache Software Foundation -> Procrun 2.0 -> ZephyrServer -> Parameters -> Java

Here you will see an entry for JvmMx, which is the "maximum memory" setting

(For 64-bit machines, you may need to navigate to: 

HKEY_LOCAL_MACHINE -> SOFTWARE -> -> Wow6432Node -> Apache Software Foundation -> Procrun 2.0 -> ZephyrServer -> Parameters -> Java)

3.       Double-click JvmMx to edit, change the Base to "Decimal" and adjust the value as necessary.

4.       Click "OK", close the registry editor and restart the Zephyr service (under Start -> Zephyr -> Server Admin -> Stop .... then Start -> Zephyr -> Server Admin -> Start

 

See these instructions with screen shots at the following: http://community.yourzephyr.com/viewtopic.php?f=4&t=96

 

 

Knowledge Document Information

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Title:                     How to increase Zephyr memory allocation in Windows systems

Product:                 Enterprise Edition, Community Edition

Version:                 All

Summary:              Poor performance of Zephyr server may mean the JVM needs more                                          memory allocated

 

 

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