Not sure what is going on, but according to TOP s3fs has the highest memory usage of 5.3M, but the server is running out of memory. Now it went down a bit, but it will spike up to all 36GB used.
admin@fusionpbx01:~$ top
top - 22:31:54 up 269 days, 3:09, 1 user, load average: 0.00, 0.02...