Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:) }" S" u$ k' w" ?
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#vi /etc/sysctl.conf
/ h5 k/ E; [7 g' X5 N& g5 `### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠& i' }$ S. O* U* r! `" R9 i
fs.file-max = 2097152' D, I0 ~: K6 ?/ k+ d J/ t% s
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& X7 c2 ]4 I' n! D7 m( z# 頛撠鈭斗; |" a$ \! r0 X: s0 h) i* o$ @
vm.swappiness = 10+ ?' q' }+ c( @) O1 Z" n
vm.dirty_ratio = 60
7 Y+ ?6 Y+ |9 l! z, Nvm.dirty_background_ratio = 2( Z( {+ d( G9 T: H) \1 h& l
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### 銝祉蝬脰楝摰券賊 ###, l% q. S* P# r& ]3 q% A; K
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1 q" Z6 |4 g" b' N' z0 x# 鋡怠(passive)TCP亦SYNACKs甈⊥
: `: F) d* v5 ~9 |- H. y P" hnet.ipv4.tcp_synack_retries = 2
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6 a# W% _) v0 a f# 閮望祆蝬脰楝仿蝭- k0 b2 i& U' q( x
net.ipv4.ip_local_port_range = 2000 65535& K! I1 B8 R, _. P, j) S
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# 貿CP Time-Wait靽霅
+ b( L- b; _$ _1 D Snet.ipv4.tcp_rfc1337 = 11 I9 ?, {, c, W4 O7 w/ H5 @
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7 Q# q: C: L& i* s# 雿撠 tcp_fin_timeout connection 閮剖
* v6 l1 [! y3 m' x, f' }net.ipv4.tcp_fin_timeout = 15( F+ G. J: [( ~
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# 雿蝺摮瘣餅閮剖: W" I3 V( ]! u8 C. C+ {
net.ipv4.tcp_keepalive_time = 300
: W* _4 p9 [, P! ]$ ?" u! hnet.ipv4.tcp_keepalive_probes = 5# V. S7 P7 u) ^! ~" ~7 o
net.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###
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7 P3 N, J5 g. p/ R5 D: ~5 O# 閮剔Socket交嗥楨摮2 [+ S4 O/ D5 a5 b7 R) v* j% i$ p
net.core.rmem_default = 31457280
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9 \6 w4 Z2 C. [# 憭抒Socket交嗥楨摮! e0 [9 j6 @, |% C1 j5 x$ r8 ~5 [" d
net.core.rmem_max = 12582912+ `/ z2 P0 E8 }# `8 v
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# 閮剔Socket喲蝺拙
, y9 R2 t1 v |0 xnet.core.wmem_default = 31457280* S" o) K/ @- v- {( y: r5 _
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# 憭抒Socket喲蝺拙
9 o4 E8 c5 o0 K; Y* Cnet.core.wmem_max = 12582912( j; _9 g7 k; Q: L( D% ~
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" o0 o7 ~8 s0 \% x& C# 憭抒雯頝舫交
2 \) q O+ y7 x: w3 snet.core.somaxconn = 40963 c2 y5 O& T4 E M9 f% L# s
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# 憭抒雯頝舫亦backlog
( B" z, H& M4 W5 y7 b8 I7 v% fnet.core.netdev_max_backlog = 65536( U* d+ y8 A# k' f. \5 D: w
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# 憭扯園蝺拙憭折3 N" x% A2 `3 y0 Z
net.core.optmem_max = 25165824
# Z2 K- p/ B- {5 d* O6 @0 u0 n% h3 X% ~: c
$ q6 z' c& b: {5 J, W1 w# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇4 E. ?6 X f2 l* C+ i# J
# This is measured in units of pages (4096 bytes)2 p# w% u6 W: D6 O5 [
net.ipv4.tcp_mem = 65536 131072 262144. c+ Q% v: M. Y: g2 p: d
net.ipv4.udp_mem = 65536 131072 262144
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f4 X, L2 m3 s- z5 E' `3 k/ C" r# 憭扯蝺拙臬蝛粹1 F( h% n6 N* d1 c! h# h0 w
net.ipv4.tcp_rmem = 8192 87380 16777216* ?& j) J/ W% H$ q* S: j0 m0 X
net.ipv4.udp_rmem_min = 16384
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9 Y2 y" t2 }8 D! `/ q# 憭批神亦楨摮臬蝛粹
0 k& [0 h: C# n6 B8 X5 z0 @net.ipv4.tcp_wmem = 8192 65536 16777216
- a2 W7 J5 G0 C# Hnet.ipv4.udp_wmem_min = 16384: \) r! I/ u2 U' s+ L
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅4 S# D, |7 M7 y; f/ V+ [( Y
net.ipv4.tcp_max_tw_buckets = 1440000
, i0 _4 h% \# i Z& ?5 G% Inet.ipv4.tcp_tw_recycle = 1
' w1 e" I: ]# x7 ?* znet.ipv4.tcp_tw_reuse = 1
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: i) b! ^9 S8 h) Y摮瑼隞亦
" r$ R2 ^% P8 K/ v0 J#sysctl -p 頛亙歇霈6 b& \' y; u. F5 u6 `- f
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靘皞:, V2 p2 F' ^. ?; C8 x
5 z1 C# ?. @4 z7 ~ Y' }https://easyengine.io/tutorials/linux/sysctl-conf/1 n+ {/ y0 z6 D% H5 a0 k
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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