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[linux隞也 Linux 蝖祇雿喳隤踵 ---- 敺株矽sysctl.conf

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2017-8-28 11:01:58 | 芰閰脖 撣 |摨閬 |梯璅∪
Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:9 \$ W6 A8 V/ I* p7 {) N

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#vi /etc/sysctl.conf
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### 寥脩頂蝯梯園蝞∠ ###5 n9 [1 d4 G. ^  N

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. a" [& |0 J% O' b7 M) o# 憭扳獢inode敹怠1 l1 R1 d1 s8 W& e! r
fs.file-max = 2097152$ F2 ?8 H& @* H2 s

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# 頛撠鈭斗3 T/ r' h% \9 a, E/ |) i- J% |& L
vm.swappiness = 10
1 N2 S/ ^) H% H' x1 |vm.dirty_ratio = 60* P7 S4 W. i2 v1 y: v8 W
vm.dirty_background_ratio = 2* n% V: H8 K2 G9 L2 D5 u
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. [9 F9 P! G4 z+ M+ x4 I9 o1 _: T, k0 P% B### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥  j) z) O: W: }& P
net.ipv4.tcp_synack_retries = 2
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#  閮望祆蝬脰楝仿蝭5 A% D; e1 h& P8 v6 ~( K
net.ipv4.ip_local_port_range = 2000 65535% X) f4 j# @" ?: S7 `6 `
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# 貿CP Time-Wait靽霅
" I9 P( a2 \* ]# X3 m+ y5 X  inet.ipv4.tcp_rfc1337 = 1
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" M) k, ~, \$ B; ^# 雿撠 tcp_fin_timeout connection 閮剖: A' ~3 V% y& ~" c
net.ipv4.tcp_fin_timeout = 15/ H6 i3 b6 D4 N' E
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# 雿蝺摮瘣餅閮剖! ~0 w% j3 ?. O- e) W
net.ipv4.tcp_keepalive_time = 300: T" [! L! H1 g" ?7 |6 ~- x) \5 r
net.ipv4.tcp_keepalive_probes = 56 K: t& X3 @* j4 R* t! _
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2 a  Q6 e# q6 L( s& q
net.core.rmem_default = 31457280
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  J% S' m7 Z; L" C) {4 V" s5 w# 憭抒Socket交嗥楨摮3 I# C- y9 T) ]0 h2 a/ m
net.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙
& W7 J% ~, C; R2 N9 p3 a; Ynet.core.wmem_default = 314572809 w2 p& z+ J4 q8 h5 p( G/ [
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# 憭抒Socket喲蝺拙
5 ~, E; r  m/ k6 g7 y/ i) [net.core.wmem_max = 12582912" A: ^: e: g# E" Z/ M

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* q5 f7 A! u: C' e2 S! M- n5 o# 憭抒雯頝舫交
- `3 g% n/ v; ?2 nnet.core.somaxconn = 4096- z6 V  A" W1 [+ ~' }, Y

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# J- A( d9 X0 U  E6 r+ X- h# 憭抒雯頝舫亦backlog2 ^" @& L9 o- Z' z5 i
net.core.netdev_max_backlog = 65536
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# 憭扯園蝺拙憭折
6 U* W. n7 P: q  U1 t9 q, @4 Cnet.core.optmem_max = 25165824/ f8 v: h, F2 N

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0 I6 Y- t2 T+ [- Y# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
. U& r$ k9 l! Q# This is measured in units of pages (4096 bytes)
$ s8 W9 d% S* y8 E! T, I9 Gnet.ipv4.tcp_mem = 65536 131072 262144' ~; X* C- |+ d+ a
net.ipv4.udp_mem = 65536 131072 2621444 x+ B* @' I+ F0 {% _2 e) e
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# 憭扯蝺拙臬蝛粹9 J& i: j. C- T6 t0 T# f& {; }6 f  n, \
net.ipv4.tcp_rmem = 8192 87380 16777216' o: j- E  M# s1 M3 v
net.ipv4.udp_rmem_min = 16384( |) Y7 Q( I/ B" f) s3 M( I) A
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5 ]2 K0 W' S. \5 G& \# 憭批神亦楨摮臬蝛粹
& r( O# j7 v& jnet.ipv4.tcp_wmem = 8192 65536 16777216- S6 [  `. G$ P! u9 o
net.ipv4.udp_wmem_min = 16384
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  h: b2 ^; S3 f1 U8 r/ |0 \# o# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
" c* E  J8 o/ z' \net.ipv4.tcp_max_tw_buckets = 14400005 q4 W: m9 D. Q/ @$ v
net.ipv4.tcp_tw_recycle = 1
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摮瑼隞亦3 s5 @/ |& a- b% c/ D- g1 s
#sysctl -p 頛亙歇霈
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; i) H4 f, \5 \* P& |https://easyengine.io/tutorials/linux/sysctl-conf/
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摰g砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0

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