Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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4 N) c/ @- o+ C2 {#vi /etc/sysctl.conf g3 Z7 ]1 s6 r1 j' @7 Q8 I7 R: o% t
### 寥脩頂蝯梯園蝞∠ ###; x5 p s7 N) w* [
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# 憭扳獢inode敹怠, ~7 i/ s0 m: C0 K( |% k
fs.file-max = 2097152 G; X# k' P2 Q3 I; ~
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# 頛撠鈭斗
6 m# X' v$ J/ H. W, w$ T1 Evm.swappiness = 10
- L. G" j5 P! Y V. N. O' G7 s( Qvm.dirty_ratio = 603 u$ B* C* l, I. P2 R
vm.dirty_background_ratio = 26 u! F3 z8 J4 j- E1 N
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* f0 A: w, P& N- ]- ~+ N### 銝祉蝬脰楝摰券賊 ###5 R* K7 C# R% g+ [; ~' X
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7 a% w' @! o. b3 D) A% { C9 o# 鋡怠(passive)TCP亦SYNACKs甈⊥
- @' s) E2 `6 c: Y5 G: y5 \net.ipv4.tcp_synack_retries = 2 f% N: T) L. m: D# _
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9 m1 R; `" R: {& }+ L# 閮望祆蝬脰楝仿蝭
f j4 ^: y+ w( }3 bnet.ipv4.ip_local_port_range = 2000 65535- E- l9 l$ M, d6 N4 v
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' }, a. {$ X: t! p* [! F# 貿CP Time-Wait靽霅
/ w9 t2 \# ? {) G0 N: Q, q5 snet.ipv4.tcp_rfc1337 = 13 B! m8 }$ j' e% y& M
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4 A* Q: D6 p8 e0 `# 雿撠 tcp_fin_timeout connection 閮剖8 H( h0 m/ N( |
net.ipv4.tcp_fin_timeout = 15+ o9 @ A. r/ h
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% y) e# m8 E& L' Y+ r @# 雿蝺摮瘣餅閮剖/ w$ {( H; [! B6 `. N9 `
net.ipv4.tcp_keepalive_time = 3007 b0 d" R/ o4 g$ V5 _8 G
net.ipv4.tcp_keepalive_probes = 59 A, r( B- W( f3 b
net.ipv4.tcp_keepalive_intvl = 15
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_+ L1 G& A, O- V### 隤踵渡雯頝舀 ###7 c. P6 w7 h: }: V+ J3 n
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' f5 N8 g3 ~0 `' A# 閮剔Socket交嗥楨摮
" Q" e) l D0 g. snet.core.rmem_default = 31457280
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* l& P- r! Q2 v7 Y) Z2 W7 ?# 憭抒Socket交嗥楨摮
# d& ]# ^( f$ l; E, cnet.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙
, L g9 w3 b) Pnet.core.wmem_default = 31457280
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0 r' j7 A7 ]& @( W# 憭抒Socket喲蝺拙
, p8 n' {- ]6 G# Enet.core.wmem_max = 12582912
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# 憭抒雯頝舫交
( l$ B6 F) \/ K+ D+ ynet.core.somaxconn = 4096- Z& g0 b+ L4 H
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# Z9 W h8 H7 A( I: u# 憭抒雯頝舫亦backlog5 X3 {" L0 R% k0 A4 Z- p5 Z
net.core.netdev_max_backlog = 65536# U) \/ X' P6 ]0 o! D
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# 憭扯園蝺拙憭折
, @8 ?! H) l0 hnet.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8 ^( l# D/ X9 k
# This is measured in units of pages (4096 bytes) u0 x( z5 x) \+ ?: Y% Q$ R
net.ipv4.tcp_mem = 65536 131072 262144
' Z$ S7 U4 Z" Q3 D: h+ B. ?6 {6 {net.ipv4.udp_mem = 65536 131072 262144! F+ A$ A5 f3 [) D: {
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# 憭扯蝺拙臬蝛粹& x$ `& \: k$ T
net.ipv4.tcp_rmem = 8192 87380 16777216
. L1 I0 _5 i. E" ^! nnet.ipv4.udp_rmem_min = 163840 a3 a6 i1 A4 [. ~
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# 憭批神亦楨摮臬蝛粹
, d) f0 ]7 X6 I2 X1 onet.ipv4.tcp_wmem = 8192 65536 16777216
! t$ M- k" V4 Z" Knet.ipv4.udp_wmem_min = 16384' o L h1 Q5 u, G0 b3 C' K
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
. G5 X4 ?7 S5 W0 Y- V1 jnet.ipv4.tcp_max_tw_buckets = 1440000
3 r5 ^- s, S; {8 Gnet.ipv4.tcp_tw_recycle = 14 j4 R4 ^) _5 O' w1 W! _: I( L, |
net.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦2 N; g! g1 |: V1 X5 R# R! w' S
#sysctl -p 頛亙歇霈
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靘皞:" ]4 O! ^5 a" O6 B5 \8 A
2 g* V) D; O9 @" rhttps://easyengine.io/tutorials/linux/sysctl-conf/
6 z2 q8 R$ T1 o) V& W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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