Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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5 u0 n" f4 v. ~' K$ D9 U1 n: X#vi /etc/sysctl.conf
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# 憭扳獢inode敹怠9 K9 P8 ^( u. F- m
fs.file-max = 2097152
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6 Q; }% h" h* t0 t; p: ~# 頛撠鈭斗6 w) X% }4 D7 s {+ t3 j, V( e
vm.swappiness = 10& C' G, u: Z& v7 J) e
vm.dirty_ratio = 60
5 v- L0 X5 z2 z: `! D# vvm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###; c; _% V- E2 d, L7 @( J! R* \' Z
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# 鋡怠(passive)TCP亦SYNACKs甈⊥3 B3 W; w7 z3 {& J2 c+ Q9 Y2 U
net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
, |" T) }) _/ |- @net.ipv4.ip_local_port_range = 2000 65535
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net.ipv4.tcp_rfc1337 = 1' p8 K4 a9 [# } w' @3 f! y. R2 g
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# 雿撠 tcp_fin_timeout connection 閮剖
. n$ T+ `! U9 Ynet.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖
6 F( p z! V$ O4 b' w3 snet.ipv4.tcp_keepalive_time = 300
& B, }$ }0 r6 nnet.ipv4.tcp_keepalive_probes = 59 N' f: u7 D* P" v
net.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮4 |1 i5 {0 b6 ?6 B
net.core.rmem_default = 31457280! S+ L" z# l' R: C; ^& i" m! L
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0 b* [, |# ~. X# 憭抒Socket交嗥楨摮' P" L3 z8 d( j* c2 I l4 I9 j3 ~( {$ U* p: Z
net.core.rmem_max = 12582912! o4 i8 m- o7 y$ A0 y
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0 k. I% K& s9 a. v6 k" |) P; h# 閮剔Socket喲蝺拙 H6 j L% ]- f" I& i
net.core.wmem_default = 31457280$ {$ a+ T0 ^7 O
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# 憭抒Socket喲蝺拙
e# o7 C: |( E9 Pnet.core.wmem_max = 12582912
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# 憭抒雯頝舫交2 L# o: {9 h" ~5 E3 c# \ @
net.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog0 t x$ o8 P' e( C S0 e
net.core.netdev_max_backlog = 65536+ ~) w0 q) D9 p% ]- b% N
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# 憭扯園蝺拙憭折
' M% p) }9 R, l# W- l xnet.core.optmem_max = 251658240 y: j: T' x$ u2 e! O6 ]5 n6 j
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇) P9 D6 x! Y, o9 e* ~
# This is measured in units of pages (4096 bytes)
* P" W0 i8 i9 c1 W2 v! f4 fnet.ipv4.tcp_mem = 65536 131072 262144
& h8 P2 D% |0 _, Y4 `5 unet.ipv4.udp_mem = 65536 131072 262144) ?* C! r6 M c! u+ J% J
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# 憭扯蝺拙臬蝛粹
$ s' u5 G, \! E: j1 Vnet.ipv4.tcp_rmem = 8192 87380 16777216
# w. Z/ }, e& a! Pnet.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹
$ {7 ~; ~+ [1 F5 jnet.ipv4.tcp_wmem = 8192 65536 16777216; C( a$ G1 F8 k( ]; L3 v
net.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
4 ]) t) L- B4 S- a* n, _4 f6 E2 b* onet.ipv4.tcp_max_tw_buckets = 1440000
% @* C# k" I) z. Nnet.ipv4.tcp_tw_recycle = 1* v. `! C: a$ Z- v- u- t
net.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦1 n! e4 d T0 Z. v
#sysctl -p 頛亙歇霈# p7 j7 r( W: F* [) |2 A6 ?
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' \1 e3 @$ H9 P& n' p, P6 Ehttps://easyengine.io/tutorials/linux/sysctl-conf/
4 b" }, u- W! B% b$ h摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 4 i3 E0 n' B7 i4 G
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潸” 2017-8-28 11:01:58
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