Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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8 ~3 S8 e: k7 p4 f2 a4 ^#vi /etc/sysctl.conf* Z% [: }! l8 Z
### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠
1 g& ?5 Z: ?1 Q9 U5 E+ ufs.file-max = 2097152% a1 |$ L7 K" `
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# 頛撠鈭斗
( p S/ W- Q- _( xvm.swappiness = 10
4 i# _% O& f- z3 ~3 X3 S3 gvm.dirty_ratio = 60
4 u4 j1 V% j& `: Rvm.dirty_background_ratio = 2 [5 b4 j- x, X) a& y
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### 銝祉蝬脰楝摰券賊 ###
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2 `7 z- N! c" @1 v& _) C# 鋡怠(passive)TCP亦SYNACKs甈⊥" J) `/ T& N4 j$ |
net.ipv4.tcp_synack_retries = 2; A/ t) a$ [6 q1 P6 O0 H7 d% L
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# 閮望祆蝬脰楝仿蝭
! U5 U* G2 n" W2 r& z7 L, fnet.ipv4.ip_local_port_range = 2000 655357 H/ k! |/ F3 _: z4 c
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9 ^$ L+ Q; {# m! j O# 貿CP Time-Wait靽霅% A/ h: l2 b( o3 n6 @4 E8 B
net.ipv4.tcp_rfc1337 = 1( }' J g- U H! _
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0 T7 u; n9 ]' ~- J8 \! m" A- [# P& y# 雿撠 tcp_fin_timeout connection 閮剖3 c) x# @0 m' k' [+ `9 g
net.ipv4.tcp_fin_timeout = 15
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" A! c9 x: a3 P# 雿蝺摮瘣餅閮剖
6 Z8 J* O! `6 ~6 j7 `; Dnet.ipv4.tcp_keepalive_time = 300
4 @9 a" G. h: C) gnet.ipv4.tcp_keepalive_probes = 5
5 r9 K/ S% a5 ]9 ~" l8 e% u' cnet.ipv4.tcp_keepalive_intvl = 15) E9 g' y3 ^8 b: }* E
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### 隤踵渡雯頝舀 ###2 Q; I) _$ U7 l, g( T: m f
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. f) @# j- ?9 b0 H& w* |) X( ~# 閮剔Socket交嗥楨摮% g4 N3 f$ Q, M8 f+ k! ^# u- N6 H, q
net.core.rmem_default = 314572809 \6 P' G" X1 L2 o7 z2 ~
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5 K* J' }) W! C- s5 C1 O# 憭抒Socket交嗥楨摮
9 A- s* E# O. x( `6 G! g8 j3 gnet.core.rmem_max = 125829123 p% M8 Y" ^6 h/ Z$ I# m
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# 閮剔Socket喲蝺拙
" n$ n3 C1 k) ^& _! c0 S Tnet.core.wmem_default = 31457280: [% }" y6 y3 }" A# F
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# 憭抒Socket喲蝺拙7 f+ W/ p0 b, R/ A4 a4 N
net.core.wmem_max = 12582912
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' U7 l( u) N, z0 x, N5 L# 憭抒雯頝舫交
3 H7 n5 a+ _- f" X' e4 tnet.core.somaxconn = 4096. p0 Y$ S0 L8 h( x5 v
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: T& M" w4 u% Y' ~# 憭抒雯頝舫亦backlog
+ F4 @3 O! F. u4 H+ L6 wnet.core.netdev_max_backlog = 65536/ V$ E5 U( o+ F9 X: t
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# 憭扯園蝺拙憭折
/ }7 ?& b% E% \& `+ ~5 ~net.core.optmem_max = 25165824
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. g: {9 J2 @) P6 x7 M, ^) t# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
* e3 ]1 d$ |+ N) v* ?$ o# This is measured in units of pages (4096 bytes): b! V2 F9 o9 V* _; {6 s. [; b9 w: ]- W
net.ipv4.tcp_mem = 65536 131072 262144
3 a( E9 U! g% |- a+ cnet.ipv4.udp_mem = 65536 131072 262144# Z) d1 ^3 f5 A7 @% c
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# 憭扯蝺拙臬蝛粹+ I% T. c4 h/ W, I4 n
net.ipv4.tcp_rmem = 8192 87380 16777216
* Y& Y4 @ B& r7 {& [9 h; Lnet.ipv4.udp_rmem_min = 163841 s" `: z1 R" \! @
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& \- J/ d- C, T9 K9 P# 憭批神亦楨摮臬蝛粹
9 m+ {6 I3 p) D5 C2 t& onet.ipv4.tcp_wmem = 8192 65536 16777216
8 b% x3 r, Y2 l" }net.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
& ]5 Q. `9 z1 [- {" tnet.ipv4.tcp_max_tw_buckets = 1440000
, v5 G0 x M1 p8 N1 Z& Anet.ipv4.tcp_tw_recycle = 1* V# g |% v; o1 [
net.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦
6 V- T2 u2 G" |#sysctl -p 頛亙歇霈
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https://easyengine.io/tutorials/linux/sysctl-conf/& m$ z2 y2 j' k2 y! h
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 # c! D( D9 E7 M s
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潸” 2017-8-28 11:01:58
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