Tomcat Java max memory size

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The default max memory size for tomcat has been changed from 512m to 1024m to give more head room for applications. Yesterday the sustrans cct webapp fell over which caused a backlog of apache processes on www8-tc. This had a knock on effect on other tomcat applications served through this instance of apache.

Please can I ask that all Java developers be mindful of memory usage of their applications? I have added a job to my task list to check for large memory consuming processes via nagios.

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