Changing the Heap Size of the Server

You can change the heap size of the Service Performance Manager server.

In the TRA File

You can change the heap size by specifying the properties in the corresponding TRA file, the default being tibspm.tra.

You can set the initial and maximum heap size in the Console mode. Follow these steps if you start the server in console mode.

Open tibspm.tra.
Change the following properties:
```
java.heap.size.initial=128M
java.heap.size.max=256M
```
Note: Do not explicitly add -Xms, -Xmx properties under java.extended.properties.
At the command prompt, uninstall the Windows NT service of the Service Performance Manager server using the following command:
```
tibspm -uninstall
```
At the command prompt, install the Service Performance Manager server using the following command:
```
tibspm -install
```
Restart the service.
Note: To run Service Performance Manager as a Windows NT service, ensure that the following properties in spm-config.properties are set with the absolute paths:
```
rta.schema.store=<TIBCO_HOME>/spm/<version>/config
```