Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵: p3 {6 s: L$ v: S
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#vi /etc/sysctl.conf* _5 f7 I) ]* }/ I
### 寥脩頂蝯梯園蝞∠ ###: ~6 T+ n0 l6 `2 m4 T
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# 憭扳獢inode敹怠
% B; A6 G+ I' u G8 ~ g9 ^2 D# tfs.file-max = 2097152; s( L$ {4 w' |$ Y( R
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# 頛撠鈭斗2 u$ o4 j) Y+ m' V- E2 a' \
vm.swappiness = 10
7 u, F: J9 }/ \. e; ~vm.dirty_ratio = 60
. Y, x/ s) X7 g7 s3 l+ s1 yvm.dirty_background_ratio = 2
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+ I, Q% l! F! F' f6 H& U3 N1 Q7 x### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
8 g0 {, ]6 a/ [# m3 ?- E+ B: Jnet.ipv4.tcp_synack_retries = 2
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0 P' x" o4 |* [: E# 閮望祆蝬脰楝仿蝭, M* ?. w6 Y, A3 c \
net.ipv4.ip_local_port_range = 2000 65535
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# 貿CP Time-Wait靽霅
" Y# b1 f& Z! pnet.ipv4.tcp_rfc1337 = 1' g3 {2 E: e3 }! `& @6 b) M* J
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K# I9 ]1 G! _, w7 h3 ^# 雿撠 tcp_fin_timeout connection 閮剖
3 f) H3 d q! J! R( Y/ w9 Cnet.ipv4.tcp_fin_timeout = 15$ D- \* p7 a0 I- W( n- e$ {
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* L( g# U2 m) H* ]" j7 i# 雿蝺摮瘣餅閮剖
+ @! q! d/ l6 I: t9 K. w# ?8 h# E( Dnet.ipv4.tcp_keepalive_time = 300
- `% B' @+ h. ?net.ipv4.tcp_keepalive_probes = 5) X" S1 ^$ B8 X% T* {# g
net.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###2 z; j- f% E8 C5 y4 [$ o. i
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# 閮剔Socket交嗥楨摮2 t: g! }# g5 d$ \( w. b
net.core.rmem_default = 31457280, F- F: Z! _, t2 d' M# [# Y3 j; I( B- C
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# 憭抒Socket交嗥楨摮
, O3 I6 d8 X" s3 o1 R U/ w1 Wnet.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙
+ G7 N* ^# G+ r# ~& [1 E9 d/ a/ Vnet.core.wmem_default = 314572806 o- b# r4 F* i- {
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# 憭抒Socket喲蝺拙
- s+ e: v. s& ], U, Z5 fnet.core.wmem_max = 12582912
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# 憭抒雯頝舫交
# x) R8 T2 j+ [# ^* [' [net.core.somaxconn = 40969 }# P. W+ V6 f9 n0 C0 y
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( k' ?& L+ }- Z' N( N0 f+ H# 憭抒雯頝舫亦backlog
+ W4 C* @" v F& l3 K# }: @) L6 tnet.core.netdev_max_backlog = 65536
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9 l4 `% i1 S0 i5 P/ m5 u# 憭扯園蝺拙憭折% G, U- y& b9 u
net.core.optmem_max = 25165824
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0 U3 c: w- r& a# Q# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
* ~) Z8 y. z; @, W. H8 I; R6 }# This is measured in units of pages (4096 bytes)+ g! E9 M! {* F: D3 I, K( N+ F$ c/ W
net.ipv4.tcp_mem = 65536 131072 262144
/ Z- v' @, t2 x9 Pnet.ipv4.udp_mem = 65536 131072 2621440 q, e% p. c; A& N+ O9 A
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# S* N8 Q8 O* _9 X$ ~# 憭扯蝺拙臬蝛粹
' T* `- f9 _" @9 S2 `9 anet.ipv4.tcp_rmem = 8192 87380 16777216+ E: f2 b0 e2 P# T/ t
net.ipv4.udp_rmem_min = 16384
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: X, I/ Q! I2 v6 p+ X: b7 s, Z# 憭批神亦楨摮臬蝛粹
- t$ H" z; g! K* [# S# _net.ipv4.tcp_wmem = 8192 65536 167772169 ?' D! i5 q1 o3 C7 ~5 X
net.ipv4.udp_wmem_min = 16384/ U5 O: s5 w2 U3 f7 g5 @
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8 I7 a! L: C0 d! [! f9 E1 _# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
: M# H. H: `9 R3 Onet.ipv4.tcp_max_tw_buckets = 1440000
H# j7 C' y% |* v, E0 f) B- }# enet.ipv4.tcp_tw_recycle = 1
! D! K- f5 o4 @, k5 F3 f4 j* Inet.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦
1 ]3 n6 _9 y. j" P9 ]7 G7 _' B#sysctl -p 頛亙歇霈- w: Z, H+ x% T2 y$ r4 a8 Z% H
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靘皞:1 R1 Y. m! X# [3 e2 ]9 \1 ~
" C w8 Q5 `! g8 B* zhttps://easyengine.io/tutorials/linux/sysctl-conf/
: ^" S' X3 z- F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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