Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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#vi /etc/sysctl.conf8 L' N. I& t4 o
### 寥脩頂蝯梯園蝞∠ ###" W* a2 D- G; E/ e0 g( T6 t* N
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& C Y3 s5 h. X# 憭扳獢inode敹怠
2 |$ t. n- w7 T; q; jfs.file-max = 2097152# I3 ]* ^) s0 I" b; F; v7 o
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+ ^8 K7 G( [0 ]: m( l# 頛撠鈭斗
( G" Y$ p. G5 X+ o- O+ y; f8 P& |vm.swappiness = 10
1 S& _% P4 D; ~# ?/ C9 B& t$ pvm.dirty_ratio = 60
! f7 d7 K2 q. E0 Rvm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###
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9 M f+ S! \9 V4 D- B' a) x1 b) g# 鋡怠(passive)TCP亦SYNACKs甈⊥: N2 e4 D" ]5 S+ m& |6 P
net.ipv4.tcp_synack_retries = 2- i' W( e# c/ s3 y2 E5 f( n
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, ?+ f1 X, V4 s) \. D# 閮望祆蝬脰楝仿蝭" A2 k* a+ O, [2 r8 o1 a! \2 G E0 s
net.ipv4.ip_local_port_range = 2000 65535
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, G% D& ]; h: ^2 i+ k; c# 貿CP Time-Wait靽霅
8 o! y, Z8 l9 hnet.ipv4.tcp_rfc1337 = 1
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# 雿撠 tcp_fin_timeout connection 閮剖1 ?3 R, c" N N, `+ G$ G6 ]
net.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖
! b) B! Z3 y3 N$ w+ m0 tnet.ipv4.tcp_keepalive_time = 300$ p; E* z: Q# m1 r
net.ipv4.tcp_keepalive_probes = 5) z( J" T X2 Z5 X; l
net.ipv4.tcp_keepalive_intvl = 15& B: m ]5 |; E/ M$ }+ ]/ O
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### 隤踵渡雯頝舀 ###
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" A: {) u3 U P2 h9 I: C# 閮剔Socket交嗥楨摮
. H& l! k) s, c' ^- u. _. S/ ynet.core.rmem_default = 31457280( G+ Q8 M( \. j% M- M+ S: K9 ~
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# 憭抒Socket交嗥楨摮
2 R# C+ S# \1 ?0 f. I* znet.core.rmem_max = 125829129 h/ A5 W% Y9 K- k! p+ s+ j6 R4 _
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net.core.wmem_default = 31457280
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' E$ I, H" S: ]) z; I& u, }# 憭抒Socket喲蝺拙
4 o) N* u' |+ }' E# nnet.core.wmem_max = 12582912
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# 憭抒雯頝舫交
2 _! |+ `! \% h2 G# znet.core.somaxconn = 4096/ A2 B- Z' ~( _/ z& F
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; h4 k$ m7 t+ _- d- r# 憭抒雯頝舫亦backlog
& }/ H3 f3 y- {% `! c+ Y( }+ mnet.core.netdev_max_backlog = 65536* y' ~6 v' x/ v& q" w7 j1 Y
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# 憭扯園蝺拙憭折
2 m8 E ?! n/ a% E( v# ynet.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
q7 _! n9 p* f' g, i/ w i# This is measured in units of pages (4096 bytes)
) x3 h: J0 @2 Y! `6 X% Knet.ipv4.tcp_mem = 65536 131072 262144
6 L. { J$ n5 f" L8 T6 j: Lnet.ipv4.udp_mem = 65536 131072 262144$ e. X. \6 _* s. n- V6 x" ^* | [
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% g) X# ^* Y' e$ G4 h. v# 憭扯蝺拙臬蝛粹$ M. \- A1 E+ }/ C
net.ipv4.tcp_rmem = 8192 87380 16777216( N7 C# C. l, P$ J
net.ipv4.udp_rmem_min = 16384 E+ s+ W/ p8 U9 x9 L9 @) }
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j+ }; H, d( A, R9 [1 v# 憭批神亦楨摮臬蝛粹
8 n; u/ J2 \ h* ?! [& U6 Inet.ipv4.tcp_wmem = 8192 65536 16777216: K$ V0 W a* z3 }- z
net.ipv4.udp_wmem_min = 16384, K0 k8 \- U6 c1 J6 {
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1 O# X4 s! R& f0 o- O1 b6 T# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅# ]+ V4 l; X0 M9 i6 k" u
net.ipv4.tcp_max_tw_buckets = 1440000. j3 Q# c/ z) `- E q1 E
net.ipv4.tcp_tw_recycle = 13 x! x. s0 y7 U9 Y, |
net.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦7 s t0 P* g2 X0 \7 F' J* k# a
#sysctl -p 頛亙歇霈" W% s! H" Y7 y0 A- n) b0 Q
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靘皞:
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8 b2 @3 A2 [; ?% h* y; ^7 {; Fhttps://easyengine.io/tutorials/linux/sysctl-conf/7 P6 k# l) v1 y0 j, A
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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