Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:& u0 k3 K2 e5 M! d! \
! B U2 `8 X' z* d7 ]#vi /etc/sysctl.conf
; B1 L9 J1 {$ C x0 k### 寥脩頂蝯梯園蝞∠ ###
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) O; e7 q H7 v) K" H# 憭扳獢inode敹怠
( @6 Z. c( Q. Y" e9 ?fs.file-max = 2097152
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" @$ F. c4 ~: e- G+ s# 頛撠鈭斗3 S2 f3 K+ z$ ?* q
vm.swappiness = 10
' a8 M7 T+ @0 K- t0 x! c) c8 W4 l& |vm.dirty_ratio = 607 n) m+ J0 D7 m7 r" m
vm.dirty_background_ratio = 2# H: V, {. v7 B& j- k* C8 |
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" _7 p- V! d) P# v. R! x4 ^### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥: q# Z: v% C6 ~# A7 r0 L+ X" p
net.ipv4.tcp_synack_retries = 2" d$ q4 `# W9 T' E0 D6 }
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& S2 Z& s5 i$ R3 S) `# 閮望祆蝬脰楝仿蝭
5 E. X6 `8 m3 u/ F. f5 S) ]3 Z" anet.ipv4.ip_local_port_range = 2000 65535
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# 貿CP Time-Wait靽霅! I: I0 P& _$ [% z6 v; O
net.ipv4.tcp_rfc1337 = 1
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" H/ o+ W# ^- j" k9 s9 y# 雿撠 tcp_fin_timeout connection 閮剖
0 o2 p# A5 w* t9 D+ anet.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖, V( E- D7 t# E# Q) m% u6 z) Y
net.ipv4.tcp_keepalive_time = 300
# m9 Z0 z p P6 n( h8 j+ p+ hnet.ipv4.tcp_keepalive_probes = 5
: [4 i9 q( B3 U" Y, M# `6 gnet.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮- y! R* ^# C3 Y5 s( j7 x
net.core.rmem_default = 314572802 o" D. r5 Y" {6 f! g! y2 q% f
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% h! ~1 S- L) [3 P# `# 憭抒Socket交嗥楨摮
: ~- K9 ~: ~+ ]net.core.rmem_max = 125829127 o9 [$ Q' T2 d! _- N
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+ ?" i4 E6 ~3 l7 D$ d/ ^- _: y# 閮剔Socket喲蝺拙
0 M" T; I& H! z9 L Knet.core.wmem_default = 314572809 w4 |$ g; D' r0 v
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# 憭抒Socket喲蝺拙 A1 W* Q4 \, S2 q$ v. n1 s) ]
net.core.wmem_max = 12582912
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# 憭抒雯頝舫交
5 v. H5 `! x( E' c( fnet.core.somaxconn = 4096
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0 f1 o; Q) ]/ E. R G# 憭抒雯頝舫亦backlog
3 S3 j* ^" l: T$ U7 f: T; rnet.core.netdev_max_backlog = 65536
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# 憭扯園蝺拙憭折" m& }; a. |( l: g) n
net.core.optmem_max = 25165824. j# f! d0 q+ G' ^' f6 `% ?2 r! i
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇) u& V" { K" K+ [! ^9 P
# This is measured in units of pages (4096 bytes)" J, V( x2 t, n0 y5 B" X8 Z
net.ipv4.tcp_mem = 65536 131072 262144
; j7 r0 s6 I5 D" k& K+ m+ v( p- A$ Nnet.ipv4.udp_mem = 65536 131072 262144
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# 憭扯蝺拙臬蝛粹 C2 d1 ^6 y% r6 l! u: E) b2 K" h: U
net.ipv4.tcp_rmem = 8192 87380 167772169 I `# B h3 ]+ r; U
net.ipv4.udp_rmem_min = 16384, @) g! [: g" L7 q0 S8 W
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# 憭批神亦楨摮臬蝛粹 W+ ^ i% r( U2 y7 l! }7 S r9 ?2 Z
net.ipv4.tcp_wmem = 8192 65536 16777216' K4 G/ j5 Q# C/ Y4 V
net.ipv4.udp_wmem_min = 163842 q6 g8 [* }- g) ^
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
9 n1 n6 ]! M: ?net.ipv4.tcp_max_tw_buckets = 1440000+ W0 u4 A! m6 Y, s! b) R
net.ipv4.tcp_tw_recycle = 1( g6 C0 A2 v0 @/ ?2 V
net.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦: _& D$ m% E/ Z& ^) O
#sysctl -p 頛亙歇霈
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& ]+ ~1 r6 g6 m! i. a6 Jhttps://easyengine.io/tutorials/linux/sysctl-conf/. G* ^7 K3 z- c$ C7 O7 q
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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