Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:4 S" y' b, O2 y( k2 W
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#vi /etc/sysctl.conf
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# 憭扳獢inode敹怠: \% k0 P/ R2 q: K
fs.file-max = 2097152
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# 頛撠鈭斗
) \/ ]( {& K! Mvm.swappiness = 10
4 n- f1 h& a( i5 evm.dirty_ratio = 60
$ D6 R/ ^ a4 i$ ^vm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###6 p$ ~6 Z: {, N0 R/ s% {' t- Q
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; g# R0 Q! O; w: Z6 n# 鋡怠(passive)TCP亦SYNACKs甈⊥
- i( |" Z/ q* o& l }net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭$ ]" u ]9 N' k/ \4 c0 C$ P- j; b+ g
net.ipv4.ip_local_port_range = 2000 65535
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# 貿CP Time-Wait靽霅; j/ G; P F; b; _' ^, x
net.ipv4.tcp_rfc1337 = 16 J+ n% u+ n- o3 K
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6 z, B& j* n- s6 E5 n+ Z6 w# 雿撠 tcp_fin_timeout connection 閮剖& n# T% j! H. U+ d- q( G, D' I
net.ipv4.tcp_fin_timeout = 158 w7 q1 D z5 c6 u. a# D% N
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# 雿蝺摮瘣餅閮剖
+ U, F! E* V3 \9 G8 y$ k; Onet.ipv4.tcp_keepalive_time = 300
' {5 a. P+ @8 q* D- pnet.ipv4.tcp_keepalive_probes = 5
! c0 K* ^3 n, a) U# s. I6 Nnet.ipv4.tcp_keepalive_intvl = 15 L8 \5 A6 j$ r; ~: l
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# I: E4 j3 @ u" `! _2 _- T### 隤踵渡雯頝舀 ###
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7 p' ?5 ?# Q# o" |# 閮剔Socket交嗥楨摮
* z8 N$ f6 p4 p: bnet.core.rmem_default = 31457280
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; d d/ \& [$ l' @4 e Y# 憭抒Socket交嗥楨摮! E$ _, @5 }; e
net.core.rmem_max = 12582912
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Y1 O" X# b+ R4 A! o! `; E2 r! V# 閮剔Socket喲蝺拙
0 c6 n6 S7 W2 x2 o0 c" rnet.core.wmem_default = 314572800 h6 {, J \: ?/ ^) Q' O# M
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i) P. b% I+ o# B& y+ `# f$ ?$ b# 憭抒Socket喲蝺拙, J0 g: u8 j: ]$ _! i3 a
net.core.wmem_max = 12582912/ h; ^5 c l% s
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, R* R1 o# {: M* _0 B# 憭抒雯頝舫交5 Q/ k4 T6 H1 w
net.core.somaxconn = 4096. q- d% {4 p- ^! I$ ^/ x
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# 憭抒雯頝舫亦backlog
0 ^2 W7 D" a, @' [+ G: S Qnet.core.netdev_max_backlog = 65536, f; O3 v' ?& k9 ~' V- ]
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4 X! R% \% {2 b9 n5 y5 r7 H. y# 憭扯園蝺拙憭折) Y- d2 \5 a3 B: x9 z3 _- Y
net.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
, ]& n, p- T# n% @6 c# This is measured in units of pages (4096 bytes), i1 I2 L. s7 i: i$ m
net.ipv4.tcp_mem = 65536 131072 262144! N# H( F6 ~4 Y/ x2 e- z
net.ipv4.udp_mem = 65536 131072 262144 N8 }/ Q- F0 q; ?
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# 憭扯蝺拙臬蝛粹+ n5 d7 O: W' I
net.ipv4.tcp_rmem = 8192 87380 167772163 X- v5 Q* P. M: J8 e+ l5 l: t7 l
net.ipv4.udp_rmem_min = 16384# _) `( m- e1 n+ x
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. j& l- v0 ~' V/ t8 f* |# 憭批神亦楨摮臬蝛粹
" L$ q" w4 @0 ~9 l' B1 M! V3 t8 Jnet.ipv4.tcp_wmem = 8192 65536 16777216
" c: Z+ j0 }' ]) ^. L6 w Q& i" jnet.ipv4.udp_wmem_min = 16384" n9 d. Y0 Z+ Q4 y$ ]
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅" R B: S- s' r4 l
net.ipv4.tcp_max_tw_buckets = 1440000
$ F$ c7 [. @, K+ cnet.ipv4.tcp_tw_recycle = 1
3 j4 A# y& `) Inet.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦
$ s3 D6 P7 T, v+ z/ z/ n( ~#sysctl -p 頛亙歇霈
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5 c* [/ C- o2 M& @. hhttps://easyengine.io/tutorials/linux/sysctl-conf/
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潸” 2017-8-28 11:01:58
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