Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:) E$ M! t* F$ f, M' f
8 `: [$ q1 {0 K9 P" ^; } q9 f#vi /etc/sysctl.conf* F4 @9 H! F; K& D5 b. a
### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠
. b- G* F8 ^1 Efs.file-max = 2097152
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. s+ O/ o# G& ]- O# 頛撠鈭斗+ L7 j8 T0 O# J2 W: R7 f
vm.swappiness = 10
; L& k: d+ A/ W. R$ J9 e& ovm.dirty_ratio = 60
( r! @' z! Y1 ?0 F$ R" H& Tvm.dirty_background_ratio = 2
# K2 H( a, \3 y" |9 i4 _( c; G$ s3 U& w0 H7 N7 x# ]
% b: u) G# `( R( W1 \# a0 g0 b
### 銝祉蝬脰楝摰券賊 ###" J2 ~) D* I6 b) Z; k
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# 鋡怠(passive)TCP亦SYNACKs甈⊥1 i! C! x$ X. a7 _2 [- z8 L7 f/ H
net.ipv4.tcp_synack_retries = 21 H7 B6 L7 \5 N% d$ H" H
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7 g N A4 I, x% a* D! S1 ?9 G# 閮望祆蝬脰楝仿蝭' O7 u5 o3 w5 \! G/ g
net.ipv4.ip_local_port_range = 2000 655353 a" D3 e2 g1 {1 C; G
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3 z, y" Y5 x' e8 S% p7 o1 `# 貿CP Time-Wait靽霅# t# F; I6 ?. F+ @
net.ipv4.tcp_rfc1337 = 1
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# 雿撠 tcp_fin_timeout connection 閮剖
0 [9 p4 g9 M3 ~6 o: p2 Nnet.ipv4.tcp_fin_timeout = 15
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* P5 i% `& F6 L; G# 雿蝺摮瘣餅閮剖# Q% n: B& b& N- A8 h! B( ~
net.ipv4.tcp_keepalive_time = 300
: I# f0 A) y+ Z4 I+ J, G \net.ipv4.tcp_keepalive_probes = 5+ k; m2 z3 A. Y
net.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/ |/ r7 P8 F* w2 y
net.core.rmem_default = 31457280
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1 i+ ? u2 z$ _ }$ g; ?# 憭抒Socket交嗥楨摮
# q& s' T. |& y- inet.core.rmem_max = 125829123 f5 ], N/ ~$ Y
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. H, C& F1 v% ^. j7 d# 閮剔Socket喲蝺拙$ n0 t0 ?% E( u, Q# B5 Q. U
net.core.wmem_default = 31457280( ?$ I/ p* F) w6 [3 _3 h/ w" a
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# 憭抒Socket喲蝺拙
( v% _0 r5 [5 s( K3 m4 ynet.core.wmem_max = 12582912
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1 h8 e5 l$ o( y0 _ ^# 憭抒雯頝舫交
% ]- ?4 ^0 h6 z3 k6 a- j" inet.core.somaxconn = 4096
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1 N, J6 f; Q, `# n# 憭抒雯頝舫亦backlog
! d& b! T0 O& S* T$ vnet.core.netdev_max_backlog = 65536: m2 z! P# k2 ~! G/ Y
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# 憭扯園蝺拙憭折: l+ f% i1 `. l* Q6 }: e3 S
net.core.optmem_max = 25165824
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) s- |8 F8 J8 j# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
; X# \0 |' x/ r7 @5 j$ k# This is measured in units of pages (4096 bytes)
9 z- e: z+ f" }4 }net.ipv4.tcp_mem = 65536 131072 2621441 B# B; J% U9 `
net.ipv4.udp_mem = 65536 131072 262144' Z5 f6 ^7 x7 i( y2 }9 S
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# 憭扯蝺拙臬蝛粹% `. j. a2 s% d ~
net.ipv4.tcp_rmem = 8192 87380 16777216
3 k2 T2 X3 W G- p9 Y* F$ l5 R; rnet.ipv4.udp_rmem_min = 16384( Z7 q% \6 X/ x" r5 W9 V2 j; @) y
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/ C) G! m1 h7 R: r1 ~; \) g# 憭批神亦楨摮臬蝛粹4 i: z6 t: t( T; F! N& R1 W! y, ^5 |5 x
net.ipv4.tcp_wmem = 8192 65536 16777216
5 n' f1 j) P* w2 q: d, Qnet.ipv4.udp_wmem_min = 16384) x7 T5 f9 ]: ~* v
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅4 r0 Q7 a+ m; J: n: k" D
net.ipv4.tcp_max_tw_buckets = 1440000, {2 z) v2 G( g) C7 h+ {% m. l+ x
net.ipv4.tcp_tw_recycle = 1
6 A4 G. s/ E! W- [- B8 Bnet.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦
% @4 g9 e- N5 E4 ~( J! C$ g#sysctl -p 頛亙歇霈1 [! |* g, T+ ]- y* {5 c) s: x
o. m0 \& ` ^靘皞:
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- L t. X" f( w9 C0 Vhttps://easyengine.io/tutorials/linux/sysctl-conf/. c8 F* k4 I- @* K( O4 i6 Q+ ]9 Y
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 ! L% K [; n, N
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潸” 2017-8-28 11:01:58
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