Sometimes publishing takes too long and the server stops

Resolving The Problem

Increase the heap size:

1. In the WebSphere Process Server administrative console, expand Servers and select Application servers in the left navigation.
   
2. Select the server you want to increase the heap size for.
3. Under Java™ and Process Management, select Process Definition.
   
4. In the Additional Properties section, select Java Virtual Machine.
   
5. There are two fields that are related to heap size: Initial Heap Size and Maximum Heap Size. By default, the maximum heap size is 256 MB. Increase this value to a value that is sufficiently large enough for the server not to run out of memory and collect verbosegc data (this value also depends on whether the server is used as development server or production server). The verbosegc data shows the typical or maximum amount of live data in the heap. Set the maximum heap size so that the server remains approximately 50% empty during a steady state. For example, if the verbosegc data reveals that there is typically about 500 MB of data, set the maximum heap size to 1024 MB. If the data is between 200 and 250 MB, set the maximum heap size to 512 MB, or 768 MB if there is enough physical memory and you are sure the server will remain stable during memory spikes.
   
   Note: For a 32-bit system, the Java Virtual Machine heap size is limited to 1.5 GB on Microsoft® Windows® and 2.5 GB on AIX.