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[linux隞也 Linux 蝖祇雿喳隤踵 ---- 敺株矽sysctl.conf

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2017-8-28 11:01:58 | 芰閰脖 撣 |摨閬 |梯璅∪
Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:/ Q6 v1 O3 Z7 e) g" N& z

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#vi /etc/sysctl.conf
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### 寥脩頂蝯梯園蝞∠ ###6 t& V9 p% Y$ t4 x4 J

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, E; D6 w& ^! a: R: _# 憭扳獢inode敹怠; N) n# e3 a6 |# W
fs.file-max = 2097152
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$ k7 v$ g& g0 {+ T* b# 頛撠鈭斗
7 ?( R7 d  {$ Y0 S! Svm.swappiness = 10$ @% M2 U) G. Y3 W! l/ @$ a
vm.dirty_ratio = 60. @" K2 a. z) h- e6 }, I1 ]
vm.dirty_background_ratio = 2. ~: _) g% T, J% @. T

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### 銝祉蝬脰楝摰券賊 ###* D4 H" _+ @0 G& z0 H
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# 鋡怠(passive)TCP亦SYNACKs甈⊥( L$ Y9 ^3 P( b; }7 P
net.ipv4.tcp_synack_retries = 2
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# Y& D6 P7 a  S3 ^" t5 Y#  閮望祆蝬脰楝仿蝭1 Y! f, W7 _$ K9 t
net.ipv4.ip_local_port_range = 2000 65535! Q( @! o& ]. @% X/ A
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# 貿CP Time-Wait靽霅  R: o' \8 ?9 U& K+ H) s; H, a8 Y7 e
net.ipv4.tcp_rfc1337 = 1
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+ m3 a# L+ z3 f, k3 d# j# 雿撠 tcp_fin_timeout connection 閮剖# B  T; u- {9 n6 U' P! ~4 Z
net.ipv4.tcp_fin_timeout = 154 f* U, o' J( M/ c, V
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, o( @+ Y7 Q" o( i7 ^2 T# H0 C6 {# 雿蝺摮瘣餅閮剖
8 r) ]* ?( T& a* g  [net.ipv4.tcp_keepalive_time = 300
2 d4 n6 f8 N% Z$ D4 H; xnet.ipv4.tcp_keepalive_probes = 5$ _% n) [% e. K& k% [& g& l6 d
net.ipv4.tcp_keepalive_intvl = 15
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9 Z/ i$ E4 O$ K' Z+ P4 a### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮. @4 j# _# R% H& \
net.core.rmem_default = 314572809 e& F$ s$ K* t% h

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) m' }7 z! }4 X  _9 A# Y4 ]  y9 X# 憭抒Socket交嗥楨摮$ ^# h, |3 V. N$ e4 T
net.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙
$ t5 I; o  w  h( ~! Onet.core.wmem_default = 31457280- i5 ~7 y5 O& x: E( y5 o  ~8 X
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# 憭抒Socket喲蝺拙4 [5 \, _' R( @
net.core.wmem_max = 125829120 j2 \) ~! I- Q7 |; v
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# 憭抒雯頝舫交2 U" Q+ \$ N7 o! L0 }
net.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog
+ C6 F: N2 T' Q% J# Vnet.core.netdev_max_backlog = 65536
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2 w$ A) L' O, o/ |# 憭扯園蝺拙憭折* d# w% K+ C" I& |0 l; b; [
net.core.optmem_max = 25165824$ O/ Q1 c- @6 Y' e( ^7 H
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  a) ]; F6 `/ I" x- v9 d# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
2 N" _3 o2 {' o- n( p. p# This is measured in units of pages (4096 bytes)% K7 Z0 s1 m0 n1 O" t
net.ipv4.tcp_mem = 65536 131072 2621448 n6 l5 e1 i6 M( h
net.ipv4.udp_mem = 65536 131072 262144
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: x0 w! y- p: O6 P+ P% V# 憭扯蝺拙臬蝛粹1 K6 T, r0 I) o+ v' n
net.ipv4.tcp_rmem = 8192 87380 16777216/ U" q$ G4 o: }5 k" `! J$ g
net.ipv4.udp_rmem_min = 16384' h' J+ U" @: m  ?% h# y, D

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+ ~" Y  r. t9 A# 憭批神亦楨摮臬蝛粹. C; `4 p% D- d3 w
net.ipv4.tcp_wmem = 8192 65536 16777216
$ u& [) @3 I$ {7 X3 a1 _( ~net.ipv4.udp_wmem_min = 16384( c3 ]+ a! ^3 q1 b+ _
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" ~& B' K9 n% X/ M6 M2 G# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
* V  C! s* i$ j7 \) _! ?8 }net.ipv4.tcp_max_tw_buckets = 1440000  z: I" M  z1 Y( M7 l5 I$ d9 u
net.ipv4.tcp_tw_recycle = 1
1 }& t+ ~( _1 f1 V! inet.ipv4.tcp_tw_reuse = 1
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. l% e4 Z' o0 f9 L2 f! N摮瑼隞亦
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#sysctl -p 頛亙歇霈
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靘皞:" ?4 o7 D' m7 y' B; {+ N4 N, n

% k+ v5 z/ F/ p4 nhttps://easyengine.io/tutorials/linux/sysctl-conf/
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摰g砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0

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