apache does not serve any requests - but no connections in netstat

[Stefan Priebe <s.priebe@xxxxxxxxxxxx>]

While getting a DDOS i've seen the following behaviour. Has anybody an 
idea where to start?

Apache is serving requests for about 2-5 minutes. Then it stucks at 
around 1000 processes doing just nothing.

netstat -na shows no connections at all - so i've no idea what suddenly 
blocks apache? Anybody an idea where to start?

We're using Apache 2.2.22.

Stefan

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