Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:9 ]. q% T& c0 U8 t
) P* Y; D9 h% S& r4 T+ v$ J#vi /etc/sysctl.conf
8 N$ a, h9 S9 `1 |2 T### 寥脩頂蝯梯園蝞∠ ###* M0 {/ K1 E' w$ f1 j( O) x3 K
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# 憭扳獢inode敹怠
) Z" {+ E5 k0 Mfs.file-max = 2097152
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# 頛撠鈭斗3 C0 ~0 P6 f9 {7 N3 H& `( R
vm.swappiness = 10
7 X, J; E' Y: ^$ E. T- qvm.dirty_ratio = 60
3 y3 y! Y, q1 x( pvm.dirty_background_ratio = 2" g. W h3 R5 i
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### 銝祉蝬脰楝摰券賊 ###4 z1 T5 Q5 t2 ?: h( h" a0 J/ P
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" s) g* {* k7 [4 d# 鋡怠(passive)TCP亦SYNACKs甈⊥- \6 C1 Q; w7 b+ [) {, Z: S
net.ipv4.tcp_synack_retries = 2! W: Q' t7 ] ~) x
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# 閮望祆蝬脰楝仿蝭
, ^. B+ ]9 |" Q6 Enet.ipv4.ip_local_port_range = 2000 65535! c& D5 T/ u0 ~+ ?1 F3 k
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/ S4 P) F f# B _0 K* H# 貿CP Time-Wait靽霅' |; T' L* r- C
net.ipv4.tcp_rfc1337 = 1, ]2 z* \4 g" @7 Z' Y m0 i! q
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# 雿撠 tcp_fin_timeout connection 閮剖$ w8 t6 r% R8 N) U
net.ipv4.tcp_fin_timeout = 15" f6 N4 k! B( Q# o% g! t% }
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$ {: @+ f1 R$ H9 Q5 j# 雿蝺摮瘣餅閮剖
+ n( Q5 F4 m( P, A3 F9 dnet.ipv4.tcp_keepalive_time = 300) B7 s* B x- J- P& |+ l% N6 |
net.ipv4.tcp_keepalive_probes = 5
0 e# q+ M [" l% s- knet.ipv4.tcp_keepalive_intvl = 15
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4 i6 Y$ i3 E# R
### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮
! J+ n4 w$ N8 C( X8 Unet.core.rmem_default = 31457280
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( Q& k& ^2 S7 z& S% \/ I r# 憭抒Socket交嗥楨摮
3 U$ p6 J* O' h+ }; |5 i: tnet.core.rmem_max = 12582912
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. R( W) \! e( g: y# 閮剔Socket喲蝺拙/ f6 y8 D/ S9 b, C" Z
net.core.wmem_default = 31457280
# D# V7 d( p. u6 I& v+ m: x! e, d1 ]. `3 U: `
* m% V8 x+ K' V! Q6 {) m5 h0 _* B# 憭抒Socket喲蝺拙
2 f" r% X+ \% m$ t# Q5 enet.core.wmem_max = 125829129 l. T- v% C7 k* K
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! p5 l8 e- @6 V0 O* K# 憭抒雯頝舫交
1 Y7 W0 o0 X9 i$ ~8 Hnet.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog* ]& B$ H5 ~2 v) J
net.core.netdev_max_backlog = 65536
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4 [- Y/ M; z- [" `7 X# 憭扯園蝺拙憭折6 h; v- `* s( g3 H0 D9 l6 B" J4 \
net.core.optmem_max = 25165824
9 Q+ J* F$ p; }9 |2 f9 i. u2 ~/ @2 S6 C5 P8 {
8 C7 p0 Q! c' Q# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇& C) f& G: o# R7 Y& u; `6 k0 j( L2 @
# This is measured in units of pages (4096 bytes) E9 |) K5 J$ h! m1 y5 n( \
net.ipv4.tcp_mem = 65536 131072 2621445 s6 \/ \" |1 ]5 H+ z, ]/ l
net.ipv4.udp_mem = 65536 131072 262144
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# 憭扯蝺拙臬蝛粹) N( ~4 M5 @2 x
net.ipv4.tcp_rmem = 8192 87380 16777216' K' u2 j E. S) h- n3 I/ q# e7 N
net.ipv4.udp_rmem_min = 16384" H. @8 P6 w, j( y% o
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# 憭批神亦楨摮臬蝛粹
: q8 i& n: `2 x0 Q" R' ?; pnet.ipv4.tcp_wmem = 8192 65536 16777216: e% w# @ V- k# F* w5 r, }
net.ipv4.udp_wmem_min = 16384& _! C* t5 j" W. t3 H9 L
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
5 f6 P6 Q9 _1 B7 a# Bnet.ipv4.tcp_max_tw_buckets = 1440000
% l# B+ F7 u% E' }3 ]1 Z7 lnet.ipv4.tcp_tw_recycle = 1
7 K5 Y/ E0 N# Mnet.ipv4.tcp_tw_reuse = 13 G5 @1 j# A2 F' c' o
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3 P! P5 \) W; Z; p. r9 j3 C. \" O3 O; B摮瑼隞亦
4 { J G1 h# N. Y* s u4 k& Y#sysctl -p 頛亙歇霈
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靘皞:$ M+ [/ J1 J. y% s& s
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https://easyengine.io/tutorials/linux/sysctl-conf/$ g3 y b- ?" @! x
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 3 D/ Y5 j' c; m. l* f: d# y7 ^- T
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潸” 2017-8-28 11:01:58
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