Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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#vi /etc/sysctl.conf
5 X2 Q' ^! a+ D) f2 R### 寥脩頂蝯梯園蝞∠ ###
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/ |9 u% n: o6 z/ g4 W9 k; _: I# 憭扳獢inode敹怠
: U; ]7 ]8 ]: J' ]. }1 xfs.file-max = 2097152
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# 頛撠鈭斗
( e2 u# ~+ n& {# ~vm.swappiness = 10
+ e. _/ D% [7 J- ~vm.dirty_ratio = 60+ z; ], C) P4 ?1 K3 }0 t' D
vm.dirty_background_ratio = 2, M4 k) u+ o+ g6 P! I! |
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### 銝祉蝬脰楝摰券賊 ###, \2 U) ?$ V5 M; S! x. d& C
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( i& ~: S# b+ h$ K0 x( O# 鋡怠(passive)TCP亦SYNACKs甈⊥( C; c1 @0 r' n; x. A9 E; u$ }" v/ J
net.ipv4.tcp_synack_retries = 2- p+ M: T' T. A: Y
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2 ^9 s6 e% d5 S1 D- S6 S& ~# 閮望祆蝬脰楝仿蝭% \/ m8 @ b' ]2 S8 o( F
net.ipv4.ip_local_port_range = 2000 65535
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$ G9 C9 c& n1 W, T& W# 貿CP Time-Wait靽霅; C% |9 j5 [" q, C; E2 M
net.ipv4.tcp_rfc1337 = 1: t( U/ Y& F0 @2 d6 O8 { M) e. F
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* z3 {2 U: C( b% H5 q( ? N, \& D# 雿撠 tcp_fin_timeout connection 閮剖, a( t' z% o4 a1 [5 a9 M9 r. a
net.ipv4.tcp_fin_timeout = 15" h E# x B3 e9 U
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0 {9 R3 P0 k$ X( c4 G! s8 i# 雿蝺摮瘣餅閮剖
# P! i) z6 s" Bnet.ipv4.tcp_keepalive_time = 300
' S O4 A7 K2 J7 `net.ipv4.tcp_keepalive_probes = 5, y$ j/ {+ e& e+ g% q6 c
net.ipv4.tcp_keepalive_intvl = 15
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+ h6 g: \, i: m* Z2 u9 l### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮( l& A2 w* j+ a! y( c. g
net.core.rmem_default = 314572800 s' |( [& x3 s! X* w: R1 u
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# 憭抒Socket交嗥楨摮
4 _) x. q. }5 G. g$ T( s' bnet.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙3 U! ~& e# z& c! e0 ^5 N
net.core.wmem_default = 31457280
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2 `6 G& x+ y" C! E( I9 Y$ I# 憭抒Socket喲蝺拙: \( `) K3 c0 L) L6 L7 ~+ i
net.core.wmem_max = 12582912
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) R$ l. M/ d4 o% n# 憭抒雯頝舫交
0 W* l v8 C, [- c# ?& Znet.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog U( o. m0 s7 H# n' X9 [
net.core.netdev_max_backlog = 65536, @7 A, g) z. v4 q& W. @
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# 憭扯園蝺拙憭折
) h) n! C( p6 x. J* pnet.core.optmem_max = 251658249 K% N; H0 X# \0 o: ~% z
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; e4 Q' ~5 R I' e- X. j5 N# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇0 U! H, H8 i( G& l# k, X3 b
# This is measured in units of pages (4096 bytes)
' t! Q' l2 f8 a. o3 T" S# ^net.ipv4.tcp_mem = 65536 131072 262144
7 e) k# O, B# Wnet.ipv4.udp_mem = 65536 131072 262144+ X2 W9 a/ p+ R. o6 P/ z9 y
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( _ F* L& v) X/ e8 }# 憭扯蝺拙臬蝛粹. n# z6 }5 P) r. o! E/ Q
net.ipv4.tcp_rmem = 8192 87380 16777216' r" G' b+ e# x; V2 X
net.ipv4.udp_rmem_min = 16384/ y5 o5 p ` ^
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# 憭批神亦楨摮臬蝛粹* T7 H q6 o* T2 y' l
net.ipv4.tcp_wmem = 8192 65536 167772166 r0 O% \- {' ~" |) d7 w
net.ipv4.udp_wmem_min = 16384+ z2 q( a0 A4 g
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
( b( r) v( @ Y/ @8 _; Dnet.ipv4.tcp_max_tw_buckets = 1440000
$ V7 h& Y4 w3 x9 O, ^* rnet.ipv4.tcp_tw_recycle = 12 J& q6 G4 O2 L4 q( [- M1 n! Y
net.ipv4.tcp_tw_reuse = 1
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' `, U# j0 G- W8 K6 X C摮瑼隞亦2 o2 Y# b0 S) l0 I. Z6 [
#sysctl -p 頛亙歇霈
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靘皞:
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https://easyengine.io/tutorials/linux/sysctl-conf/; i( m' f, I0 W; H4 Q
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 9 [, N) d+ L6 J A U
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潸” 2017-8-28 11:01:58
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