Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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+ X7 V) `7 _- U3 `#vi /etc/sysctl.conf
* r' o9 s* \9 L' J* Q# u### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠
6 v4 _2 ~* n! z6 u$ Y& Zfs.file-max = 20971522 o% D: n( F; ~7 P2 i) o. k2 K
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' d4 r. [" h4 Z9 U+ z; ?# 頛撠鈭斗) ?9 E1 F( R$ C" Y6 u" X# D' a
vm.swappiness = 10; T2 J9 C* F" |, ~
vm.dirty_ratio = 60' W7 V3 g2 o9 J8 H* {
vm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###
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) j: r9 L; s* \! Q8 ~# 鋡怠(passive)TCP亦SYNACKs甈⊥' a: E {/ ?& c4 [
net.ipv4.tcp_synack_retries = 2
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0 W' m' e4 V9 N0 `& A9 w& C# 閮望祆蝬脰楝仿蝭- b7 p2 d! i& K, C
net.ipv4.ip_local_port_range = 2000 655357 E6 X6 I) e' v. A# n3 A! H
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' P# Q. W1 v8 c' |# 貿CP Time-Wait靽霅
! O! d! N# x. Q/ m& n; ]net.ipv4.tcp_rfc1337 = 19 o9 Y3 X% {7 T
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& [$ P3 `, P0 R4 ^- g, x0 p# 雿撠 tcp_fin_timeout connection 閮剖
+ l0 ?! D0 B8 L; A" a$ D h+ }net.ipv4.tcp_fin_timeout = 15
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. Z. }: D, M9 t0 e1 U( t& q; k# 雿蝺摮瘣餅閮剖
2 H) S g. g& J- y% `! U# Fnet.ipv4.tcp_keepalive_time = 300
) H. ?9 H. o# B% O, ~! ^net.ipv4.tcp_keepalive_probes = 5
; b* u- l3 m4 N. X. i6 z3 Knet.ipv4.tcp_keepalive_intvl = 15# q7 B" \- R9 E, k: p$ e- o
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6 n1 b2 o+ X# b' j) o5 ^### 隤踵渡雯頝舀 ###
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9 Q/ k5 Z' M9 U( Y# 閮剔Socket交嗥楨摮
1 S. R y! ~, x: t/ L9 K* jnet.core.rmem_default = 31457280& C/ C, R( T0 c% R. l0 G' b/ [
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# 憭抒Socket交嗥楨摮+ f- ~2 I" D A7 s# X! b
net.core.rmem_max = 12582912# T; ?" Y7 Q) h2 {
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# 閮剔Socket喲蝺拙5 `; p) X. u/ g6 }# q$ R d& [
net.core.wmem_default = 31457280
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" k+ Z8 W7 t& u+ Y# y; g0 g# |+ h# 憭抒Socket喲蝺拙
3 i$ H; w4 m' O: Y( m+ J6 |net.core.wmem_max = 12582912+ _. j' T9 d, L, w8 \
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# 憭抒雯頝舫交. E4 V! `) p8 s% _3 b' s( g( ]
net.core.somaxconn = 40966 `2 U" \" D9 M- }( N
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# 憭抒雯頝舫亦backlog; R8 C$ i0 n& X% Z6 G
net.core.netdev_max_backlog = 65536
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7 n! M9 o: B ^5 t' M$ Q# 憭扯園蝺拙憭折
& v/ C3 S+ u8 N% bnet.core.optmem_max = 25165824
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) T+ s5 E7 U( U0 z, C% v- h# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇1 B. n: B* W2 q/ b; N
# This is measured in units of pages (4096 bytes)
& Y s4 u( ]- `' o' U- E( L+ Wnet.ipv4.tcp_mem = 65536 131072 262144
1 W: ^. |% M- V8 ^ ^/ `net.ipv4.udp_mem = 65536 131072 262144
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. h; W7 t: U3 e# 憭扯蝺拙臬蝛粹- H4 ^4 I- y* R! I! p8 }# p( K
net.ipv4.tcp_rmem = 8192 87380 16777216% T a. F3 K' @) N: t! w
net.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹
8 F/ W7 f7 y, V \, n( S" [6 cnet.ipv4.tcp_wmem = 8192 65536 167772167 N+ a+ v9 N: b1 |6 }4 N- @
net.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅0 L7 `& [) [3 t+ k0 D* z
net.ipv4.tcp_max_tw_buckets = 1440000
* t* R- ]" b3 Nnet.ipv4.tcp_tw_recycle = 10 q2 |/ w1 [1 E( c# A% t- T
net.ipv4.tcp_tw_reuse = 1# \5 a, E* ?& r4 I
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/ Q+ h, @ r$ J摮瑼隞亦
# X! d2 ?3 x. Y( q- x/ ?8 k#sysctl -p 頛亙歇霈0 u) p/ D6 G% E. U! @' |( u( P
5 z6 n- x4 @/ r靘皞:
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9 d* l7 T( V' s: r/ H6 mhttps://easyengine.io/tutorials/linux/sysctl-conf/ n# x& c/ I d2 ]
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 / A* W) j1 p2 b6 |9 n @2 C3 A# e k
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潸” 2017-8-28 11:01:58
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