June 20, 2013

Post: Worse than DDOS

… rather interesting customer problem. Site was subject what was considered DDOS and solution was implemented to protect from it. However in… were very actively used by the application which caused even worse problems by consuming all apache slots which were allocated to…

Post: SimCity outages, traffic control and Thread Pool for MySQL

… users who are trying to access a shared resource, the worse the response time is, growing exponentially. To make things even worse, very often we see the following pattern with throughput. Basically … point the system becomes unresponsive and practically stuck. Well-known DDoS attacks are based on this behavior — to load a system…