Doing Lucene search within a jetty servlet container, the machine has 16gb of memory. Using 64bit JVM and Lucene 3.6 and files are memory mapped so I just allocate a max of 512mb to jetty itself, understanding that the remaining memory can be used to memory map lucene files.

Monitoring total memory being used at the linux level (assume this is hep memory plus memory used for memory mapping) , memory increasingly creeps up, and eventually servlet doesnt respond to requests. But dont seem to have any errors in the logs/crashes ectera.

I don't have direct access to the machine this is running on, I know this question is a bit vague but I would appreciate some ideas where to investigate next

thanks Paul

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