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rx_coal_tick
2007 Apr 18
1
[Bridge] Performance problem with linux bridge ... compare kernel 2.6.13.4 to 2.6.15.1
.../s(rx) data load of CPU is max 50%
With kernel 2.6.15.1 the same linux bridge with the same traffic has
100% CPU load and in top I have ksoftirqd proccess.
The machine is P4 3.2 GHz with 1GB of ram and 4 NetGear 620 cards
The config is:
/sbin/modprobe acenic link=0x0100,0x0100,0x0100,0x0100
tx_coal_tick=256,256,256,256 rx_coal_tick=256,256,256,256
max_rx_desc=512,512,512,512 max_tx_desc=512,512,512,512
/sbin/ifconfig eth0 0.0.0.0 txqueuelen 10000 mtu 1500 up
/sbin/ifconfig eth1 0.0.0.0 txqueuelen 10000 mtu 1500 up
/sbin/ifconfig eth2 0.0.0.0 txqueuelen 10000 mtu 1500 up
/sbin/ifconfig eth3 0.0....