LSWS works fine for hours, days, or weeks and then it suddenly stops processing requests it seems. When I turned on full debug logging I see a TON of this right before it stops working:
2012-01-21 17:00:49.174 [DEBUG] [MMAP] Release mapped data at 0x2aaaad197000
2012-01-21 17:00:49.174 [DEBUG]...