Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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#vi /etc/sysctl.conf6 S, r. a- w$ O; {
### 寥脩頂蝯梯園蝞∠ ###
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3 m* y) j+ Q9 L2 U$ m0 X# 憭扳獢inode敹怠3 |! e6 \: Z7 ^% L8 A* Y
fs.file-max = 20971526 l7 {- `5 m a# R0 W0 F$ {3 b
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" y4 E: i, X1 c( M2 r3 `# 頛撠鈭斗
, I+ X5 n6 L4 Svm.swappiness = 10
2 I r9 O, f8 I4 `5 x1 j% Svm.dirty_ratio = 60
* W# u" r- {5 Dvm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###, g$ f: F6 [1 P4 V" l+ M
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
, \% Y8 u2 A# U0 O# K3 r& Nnet.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
7 e* x& l& j; ?* x5 ]) qnet.ipv4.ip_local_port_range = 2000 65535
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4 u! u' s+ y: `. g# 貿CP Time-Wait靽霅
. Y7 o' J" X3 M) Tnet.ipv4.tcp_rfc1337 = 14 q( o/ }1 }5 U+ r# ~
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# 雿撠 tcp_fin_timeout connection 閮剖 @5 |! |5 W5 G j" n
net.ipv4.tcp_fin_timeout = 156 i: V1 j' g! v" k) g/ z5 d
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# 雿蝺摮瘣餅閮剖4 S7 F- @2 E2 \' m. F
net.ipv4.tcp_keepalive_time = 300
) ^# q3 j) x% `( T9 t+ bnet.ipv4.tcp_keepalive_probes = 51 h/ t7 g7 w# B) d5 d7 E0 M% d
net.ipv4.tcp_keepalive_intvl = 151 W% W3 z) R; v0 m) w* @
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& Y2 q# Z; ^2 o; b m! P### 隤踵渡雯頝舀 ###
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) ~! k4 E5 N% l& J/ `# 閮剔Socket交嗥楨摮( l: k( _; \% V5 K8 }2 u: s
net.core.rmem_default = 31457280
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! V7 v- S# ~% f% V6 j/ W# 憭抒Socket交嗥楨摮1 L. |" W! S; l
net.core.rmem_max = 125829129 L, h) B1 H7 T( m0 c
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# 閮剔Socket喲蝺拙
! n3 ~. x; @9 qnet.core.wmem_default = 314572805 A7 g$ J) D, b. K8 E' k {! O
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2 d9 @6 X8 B& `) B2 x, s# 憭抒Socket喲蝺拙- A# N8 r) ?% b# H' e* }9 f
net.core.wmem_max = 12582912' z% V, M, h8 I6 ]3 M( V
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# 憭抒雯頝舫交
0 O% Z* c, A% w& d" }net.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog# O! q. _# ?0 d$ ^ Q
net.core.netdev_max_backlog = 65536% Y/ N; ^5 P# S4 u
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# 憭扯園蝺拙憭折
+ d/ n- W; i5 p/ [ hnet.core.optmem_max = 25165824
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6 f4 K [5 Y2 Z0 M7 V* L( ?/ K0 ~( b# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
+ E4 X6 w5 A6 U9 Z# This is measured in units of pages (4096 bytes)
! H$ S/ q4 b* E# Hnet.ipv4.tcp_mem = 65536 131072 2621447 a$ X9 k3 T% W0 D2 s* {. p6 J
net.ipv4.udp_mem = 65536 131072 2621448 Z1 r7 h4 D0 X, r. v ]
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net.ipv4.tcp_rmem = 8192 87380 16777216
7 z' p* ^" d, Z" S5 Unet.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹4 [ X2 L3 r! s3 Z0 `" M
net.ipv4.tcp_wmem = 8192 65536 16777216
7 o+ C4 ~, n( F0 X8 mnet.ipv4.udp_wmem_min = 163843 A! s# G, V- Y( e
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅! v; W1 O8 N2 K
net.ipv4.tcp_max_tw_buckets = 1440000* s1 U* q4 K3 s' Z6 U
net.ipv4.tcp_tw_recycle = 1
; j3 U7 I+ K* T( B& M8 w. Nnet.ipv4.tcp_tw_reuse = 1/ O" G" t( g8 h9 j
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摮瑼隞亦2 Y w% r. P- b" X1 Y* i4 S$ i
#sysctl -p 頛亙歇霈
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靘皞:
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https://easyengine.io/tutorials/linux/sysctl-conf/
. F2 |+ F; ~* V8 ~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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