Info: Performing the steps described in this article requires direct server access. Depending upon how your system is hosted and the level of access you have to that system, coordination may be required with your Partner or WoodWing Support team. For a full overview of the steps that need to be done by WoodWing and how to request them, see WoodWing Cloud - Change management.
After the installation of Assets Server, sufficient memory should also be allocated to the Java Virtual Machine (JVM) instance in which Assets Server itself is run, specifically to the Java heap memory.
Optimal Java heap size memory settings
The optimal performance settings for the initial and maximum Java heap memory is 50% of the machine's total with a minimum of 4GB for the -Xmx and -Xms settings.
About the maximum Java heap memory (-Xmx)
The -Xmx option controls just the Java heap memory block. The actual Java process may use more memory because it also has blocks of non-heap and native memory. It is advisable to leave sufficient memory available for the operating system.
Note: Most modern operating systems will use any remaining memory to speed up the disk cache. This can hugely improve performance of the search engine.
Changing the Java heap settings
The following samples show how to modify the Java heap memory settings on all platforms. The samples assume a machine with the following configuration:
- Amount of RAM: 16GB
This results in about 8GB that can be assigned to the Java heap memory.
Note: For platforms with a higher or lower amount of memory, adjust the memory values according to the recommendations outlined above.
Tip: Use a converter to convert Gigabits to Megabits.
On Windows
- Open the Jetty config in Notepad or another text editor.
<Program Files>\Elvis Server\elvis-service\elvis-service.conf
- Change the following lines and save the changes:
wrapper.java.initmemory=8192
wrapper.java.maxmemory=8192
- Restart Assets Server.
On macOS
- Open the Terminal and type the following:
$ sudo nano /Library/LaunchDaemons/com.dutchsoftware.elvis.server.launchd.plist
- Change the Xmx and Xms settings:
<string>-Xms8g</string>
<string>-Xmx8g</string>
- Save the changes and exit by typing Ctrl+X followed by Y.
- Restart Assets Server.
On Linux
- Type the following in the command line:
For Assets Server 6.60 and higher:
$ sudo nano /srv/elvis-server/app/wrapper/conf/wrapper_custom.conf
For Assets Server 6.59 and lower:
$ sudo nano /srv/elvis-server/app/wrapper/conf/wrapper.conf
- Locate and adjust the following two line (they will be at the top of the file):
wrapper.java.additional.1 = -Xms8g
wrapper.java.additional.2 = -Xmx8g
- Save the changes and exit by typing Ctrl+X followed by Y.
- Restart Assets Server.
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