anti-calamari(or, how to keep squid from getting fried)
 
 
Flow control: based on no. of fd’s open
- Start/Stop with some hysteresis.
 
Performance metrics:
- Load: same as before.
 - Average response time: statistics?
 
Recovery from crashes:
- process: nicely handled by the OS (TCP reset)
 - machine: KEEPALIVE timeout.