Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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. Y- `3 d6 M$ G#vi /etc/sysctl.conf
$ `$ Q1 l( T8 l### 寥脩頂蝯梯園蝞∠ ###! y# k. ~- j% w% |
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# 憭扳獢inode敹怠. |/ n! P2 V. s; k
fs.file-max = 2097152
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# 頛撠鈭斗
3 f6 i$ u3 \$ G9 dvm.swappiness = 10- P9 X7 w2 `6 v8 P& Z
vm.dirty_ratio = 609 O1 u6 p* t% S8 r/ R% V. I
vm.dirty_background_ratio = 2+ v7 f# j' k2 M# k9 A' {
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### 銝祉蝬脰楝摰券賊 ###
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& h; y& Z% f# R* ^1 Z# 鋡怠(passive)TCP亦SYNACKs甈⊥0 q5 R, R: m" H( F$ L
net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
0 [5 |; S( d4 k+ @: I- b& Onet.ipv4.ip_local_port_range = 2000 65535
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/ A$ S& @5 u0 B. w1 M# 貿CP Time-Wait靽霅2 G$ z6 a8 \* P
net.ipv4.tcp_rfc1337 = 1
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$ S" Y# c8 g5 e, \! _2 m. I+ T+ v$ h# 雿撠 tcp_fin_timeout connection 閮剖' d2 p- }$ w7 R" K, O0 E
net.ipv4.tcp_fin_timeout = 15$ H' U0 e+ y" F+ Z, N& V( ~
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# 雿蝺摮瘣餅閮剖1 k) Y6 Q# p' I0 V! D5 i
net.ipv4.tcp_keepalive_time = 3008 t2 H5 ]0 i2 G5 k1 L. j. [# k+ e
net.ipv4.tcp_keepalive_probes = 5* K3 z; a2 u/ x0 L0 p D
net.ipv4.tcp_keepalive_intvl = 154 K; v* v$ D" L2 z8 Z" v* Z9 j3 p
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- c7 R! \8 l3 F### 隤踵渡雯頝舀 ###9 T4 G& t+ ?9 R6 @- `7 ?
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# 閮剔Socket交嗥楨摮$ S' r/ H; k/ Y, F# `/ m2 T
net.core.rmem_default = 314572809 R9 N0 R; E# L# K; _. u' `% B% j$ `
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+ F( O( @) l; ^$ B2 J2 L# 憭抒Socket交嗥楨摮/ }1 x5 |( ~# ^6 z) N; J
net.core.rmem_max = 12582912
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; ?- U! g4 P. x" u, O# 閮剔Socket喲蝺拙
5 y# _$ i7 F! z3 inet.core.wmem_default = 31457280
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# 憭抒Socket喲蝺拙
0 C/ I4 F) _0 i1 R" e0 m# ?* m, inet.core.wmem_max = 12582912. n- ~, c) K8 o A* g! T& c
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# 憭抒雯頝舫交5 Z! F$ c' I' v( ?" a( Z, R
net.core.somaxconn = 4096
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0 R7 D4 H4 |% y" B. d0 j6 G( p0 ?# 憭抒雯頝舫亦backlog
& i9 x& X% ~0 ^5 t, r* onet.core.netdev_max_backlog = 65536
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# 憭扯園蝺拙憭折
. c- @3 ?* h# n/ J6 Nnet.core.optmem_max = 25165824
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
& n) \ k- k9 a( e j" M1 T) s# This is measured in units of pages (4096 bytes)
7 @! w: E4 @$ Xnet.ipv4.tcp_mem = 65536 131072 2621443 H0 k0 _* s% Z- H, E3 W" s
net.ipv4.udp_mem = 65536 131072 262144
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# 憭扯蝺拙臬蝛粹$ \3 l7 d8 q) a2 S7 ]
net.ipv4.tcp_rmem = 8192 87380 16777216) F: c& f2 B& D9 _7 j
net.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹
; M* R$ A, x9 s& X7 }( k Rnet.ipv4.tcp_wmem = 8192 65536 16777216' E/ n* h0 D: Z$ N5 ~; s' x- i
net.ipv4.udp_wmem_min = 16384
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7 k, Q% ?) n+ @# u- g# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅7 ~* x& V8 ? ^) g2 q, R4 l. y
net.ipv4.tcp_max_tw_buckets = 1440000
; F+ J$ L6 z0 @( e6 Tnet.ipv4.tcp_tw_recycle = 1/ f* C1 y6 O! v3 N
net.ipv4.tcp_tw_reuse = 15 P: s" B6 ^# @: H
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摮瑼隞亦' ~, B8 R" o1 _8 K$ u
#sysctl -p 頛亙歇霈3 z' h5 H4 C* |3 j- j [5 O% v
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https://easyengine.io/tutorials/linux/sysctl-conf/# N! A* G( l/ I5 D+ s9 s; _
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0
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潸” 2017-8-28 11:01:58
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