Hello all,
I have a 50% throughput improvement on my zen load balancing by customizing
/etc/sysctl.conf this way:
comment out:
#net.core.rmem_max = 262143
#net.core.somaxconn = 3000
add:
net.core.rmem_max=67108864
net.core.wmem_max=67108864
# increase Linux autotuning TCP buffer limit to 32MB
net.ipv4.tcp_rmem="4096 87380 33554432"
net.ipv4.tcp_wmem="4096 65536 33554432"
# increase the length of the processor input queue
net.core.netdev_max_backlog=30000
# recommended default congestion control is htcp
net.ipv4.tcp_congestion_control=htcp
Environnement:
VMware 5.5
Open-vm-tools installed
How to install open-vm-tools:
vi /etc/apt/sources.list: add contrib to deb and deb-src
apt-get install open-vm-tools open-vm-source
module-assistant auto-install open-vm -i
reboot
Regards,
Mathieu CHATEAU
http://www.lotp.fr
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