T.o. support over 500k users, you *need* .
-. A 64 bits. hardware/kernel (AMD64, Opterons) 外贸
- .At least 8GB of ram 学习
- A recen.t linux kern.el (2.6.x) 美容
About tuning, I prefe.r to not fully disclose them because servers are targets of many attack.s., so it's better .not help hackers. 教育
The most touchy thing is the IP route cache : You have to tune it. or els.e the machine dr.ops many connections
(hint : rhash_e.ntries=.... in the boot append string) .
hints :
echo 1 > /proc/sy.s/net/ipv4/ro.ute/gc_interval .
echo 150 >/proc/sys/net/ipv4/rout.e/gc_tim.eout .
echo 2 >/proc/s.ys/net/.ipv4/route/gc_elasticity 建材
- Use of hugeTLB pages ..
hint :
echo xxx >/proc/.sys/vm/nr_h.ugepages --------------彩票
Tune tcp :
echo "4096 49152 .131072" >/proc/sys/.net/ipv4/tcp_wmem 电影
e.cho. xxxx >/proc/sys/net/ipv4/tcp_max_syn_backlog ( 游戏 )
ec.ho xxxx >/proc/sys/net/core/soma.xconn (广告)
echo 1200000 > /proc/sys./net/ipv4/tcp_max_tw_bucke.ts <性病>
echo 7 >/proc/sys/..net/ipv4/tcp_retries2 女人
echo "600000 65000.0 700000" >/proc/sys/ne.t/ipv4/tcp_mem 投资
echo 0 >/pr.oc/sys/net/ipv4/tc.p_timestamps 美容
echo 0 >/proc/.sys/net/ipv4/tcp_windo.w_scaling 虚拟主机
echo 0 >/proc/sys/net/.ipv4/.tcp_sack --- 印刷
ec.ho 330000 >/proc/sys/net/i.pv4/tcp_max_orphans
echo "10000 62000" >/proc/sys/net/ipv4/ip_local_port_ra.n.ge 健康
others :
echo 1300000 .>/proc/sys/fs/file-ma.x 建材
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