James uses up almost all the memory any suggestions

[Hillel Bilman]

Hi,

 

We are using james-2.3.1 on Linux 64 bit Redhat with 8GB of RAM.

 

Using free:

                                  total       used       free     shared
buffers     cached

Mem:       8174276    8129120      45156          0       2696      42560

      -/+ buffers/cache:    8083864      90412

Swap:     16386248    8255480    8130768

 

We stopped James and now there is 7856744 memory available.

This means the server starts to go slowly.

 

Using free:

                                  total       used       free     shared
buffers     cached

Mem:       8174276     374404    7799872          0       3500      53372

     -/+ buffers/cache:     317532    7856744

Swap:     16386248     915912   15470336

 

If one of our mailets throws an exception could that cause it?

 

Why does this happen?  How can we prevent it?

 

Thanks