UDP packet drops by linux kernel
问题 I have a server which sends UDP packets via multicast and a number of clients which are listing to those multicast packets. Each packet has a fixed size of 1040 Bytes, the whole data size which is sent by the server is 3GByte. My environment is follows: 1 Gbit Ethernet Network 40 Nodes, 1 Sender Node and 39 receiver Nodes. All Nodes have the same hardware configuration: 2 AMD CPUs, each CPU has 2 Cores @2,6GHz On the client side, one thread reads the socket and put the data into a queue. One