Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:' q, W* H. \6 L+ }9 ?4 g1 W8 ~
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#vi /etc/sysctl.conf
/ e5 t4 V+ r% h, [5 I# S### 寥脩頂蝯梯園蝞∠ ###
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% k! c4 G( u' j% S- B* J# 憭扳獢inode敹怠
9 y. V6 u5 o7 d& Ffs.file-max = 2097152
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# 頛撠鈭斗
. o$ h1 W5 G, z1 w$ Y8 a6 p( tvm.swappiness = 10
" T& B# V1 J! Y n% H8 n( _2 s; ~; vvm.dirty_ratio = 60
* `, s" |7 C% Y$ C. X% Yvm.dirty_background_ratio = 2! _7 j9 K' J: z( Q2 O1 X
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### 銝祉蝬脰楝摰券賊 ###$ j5 v5 C! F+ M# h4 \: |4 C/ o4 s
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
( i/ w9 o0 o7 y0 M9 W) c0 Snet.ipv4.tcp_synack_retries = 2, \4 ~* D/ h2 F: R
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+ y2 K1 I0 |# f2 m5 T- p# 閮望祆蝬脰楝仿蝭+ @( p0 r4 H1 k8 S; @
net.ipv4.ip_local_port_range = 2000 65535; h/ W3 _: H' _. n/ ?
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1 C2 ^( M3 |5 D( a/ }. W# 貿CP Time-Wait靽霅
# X4 ? _9 E9 e: k6 M1 w& ]4 lnet.ipv4.tcp_rfc1337 = 1
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# r) K# i0 A. y) |9 g# 雿撠 tcp_fin_timeout connection 閮剖
. e0 `$ K4 Q! j# fnet.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖' k; M7 c- F, ?: V( Y
net.ipv4.tcp_keepalive_time = 300( v, K( k; {4 a) ^
net.ipv4.tcp_keepalive_probes = 5, c {; Z- m6 F+ \" ?7 f: T
net.ipv4.tcp_keepalive_intvl = 15 l8 f5 x S! q+ S7 J4 ~2 ]
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### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮
+ ]' t Q1 I+ V) {$ E2 Qnet.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮7 d, h; f0 W) q Y1 J
net.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙
6 n$ u" S" U* p% Ynet.core.wmem_default = 31457280
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& q! F+ g# A# S. ]' M$ h% O# 憭抒Socket喲蝺拙
7 B0 j/ y; c7 {7 \7 e5 enet.core.wmem_max = 12582912, J( M" x6 q! U. T( W5 J
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# 憭抒雯頝舫交! d& `/ I3 g5 b& m+ W
net.core.somaxconn = 4096
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. v; b5 m( R7 u7 x% z# 憭抒雯頝舫亦backlog
) l& h4 }3 k) i: wnet.core.netdev_max_backlog = 65536
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# 憭扯園蝺拙憭折
9 q; E" v O. ?+ A7 ?: gnet.core.optmem_max = 25165824& E% T3 X: [! o
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
6 {; r9 w0 R" V2 J. }# This is measured in units of pages (4096 bytes)
$ U# k1 @8 q0 m9 u. d2 y6 G" R6 }3 _net.ipv4.tcp_mem = 65536 131072 2621448 Y" K' Y7 A, j* a9 I- E
net.ipv4.udp_mem = 65536 131072 262144
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$ j6 G5 M$ o! o$ T# h# 憭扯蝺拙臬蝛粹
7 C4 f# J4 I! X8 u! Snet.ipv4.tcp_rmem = 8192 87380 16777216
j% h- Z' b% D1 }9 M Dnet.ipv4.udp_rmem_min = 16384' m4 o5 R+ a9 a& C. W1 z' k
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& S( j C4 i0 ^1 y1 V# m8 n* q# 憭批神亦楨摮臬蝛粹
5 z. [; j2 y* L4 U( M J" Vnet.ipv4.tcp_wmem = 8192 65536 16777216
) V, t2 @( Q9 o9 i/ e! R/ c# enet.ipv4.udp_wmem_min = 16384
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5 `$ c( b$ e4 F' x u3 Y1 L# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅3 P4 c" K* J. F5 F6 e+ g7 L" x! `
net.ipv4.tcp_max_tw_buckets = 14400004 |! @0 W" U# G) Q
net.ipv4.tcp_tw_recycle = 1
6 ^: ~& v1 E6 ]/ Z0 W' P3 Pnet.ipv4.tcp_tw_reuse = 1# |, v& Y0 ]; s+ }* v# S" n( F
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摮瑼隞亦
4 V; l v( F, E( [4 x#sysctl -p 頛亙歇霈
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https://easyengine.io/tutorials/linux/sysctl-conf/
% m) v% N1 N/ w& S( {; B Q摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 ]* P" i' F J- p* x: z4 V
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潸” 2017-8-28 11:01:58
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