Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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#vi /etc/sysctl.conf
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" |$ ^/ w& Q+ t8 B; ?4 B9 G& K4 X# 憭扳獢inode敹怠
, V5 Q0 h) f! I$ ]) C: I/ N3 `fs.file-max = 2097152. f. c3 o4 z5 w' W
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# 頛撠鈭斗: E1 k9 }$ W# ^# ]) y [
vm.swappiness = 10
- } z+ L/ c' N9 ?8 V1 }vm.dirty_ratio = 60! D2 t! F( t$ u, [7 t$ w
vm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###1 a) F/ g8 b' E+ Y& g
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# 鋡怠(passive)TCP亦SYNACKs甈⊥, _. G6 Z5 T1 e0 j. p4 c) V L4 d
net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭% r# g: O7 { H
net.ipv4.ip_local_port_range = 2000 65535+ n& D6 n5 E$ t- m6 ]: ~) k* _- z
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# 貿CP Time-Wait靽霅
x6 V- W7 C) W0 i1 onet.ipv4.tcp_rfc1337 = 1
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) {& u% L) R* y( Q9 {# 雿撠 tcp_fin_timeout connection 閮剖
6 l o# I/ F. l$ L. H rnet.ipv4.tcp_fin_timeout = 158 |5 E0 N* \0 X+ Y- G( _" m7 m
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# 雿蝺摮瘣餅閮剖) x# u" h% {* x; L
net.ipv4.tcp_keepalive_time = 300# a2 M5 \* U8 C# M
net.ipv4.tcp_keepalive_probes = 5
- t7 F8 P$ e& Y) f* x, r" J; xnet.ipv4.tcp_keepalive_intvl = 15% I- h/ w; y ]# F+ E5 j* {8 i
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0 ^: Z( g- z$ c0 O$ R' ]### 隤踵渡雯頝舀 ###5 ~% e7 A* |. ]. }/ o$ B: s1 v- ^
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# 閮剔Socket交嗥楨摮6 P0 |+ V J8 c) l
net.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮) h! @( [! d: b( d
net.core.rmem_max = 125829124 {+ o8 f. @/ ]' d) s" [
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# 閮剔Socket喲蝺拙" [6 C; `3 E: e/ p5 \+ I# [* `7 c# }
net.core.wmem_default = 314572806 l1 B* n& X+ X
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# 憭抒Socket喲蝺拙
) F% k6 ^: B# ~: w& e' snet.core.wmem_max = 12582912, @+ U* ^% u7 Y: ^
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# 憭抒雯頝舫交. M' O& w4 _4 E5 d8 B
net.core.somaxconn = 4096 `5 c. \" c7 L- W1 N8 ?- P+ s7 O
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# 憭抒雯頝舫亦backlog
9 j8 w+ R `4 D" T/ v5 H+ K. Onet.core.netdev_max_backlog = 65536
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2 d, a N6 S5 [, _: }# 憭扯園蝺拙憭折5 w6 w% W' f5 s( G, G+ z1 z% G
net.core.optmem_max = 25165824
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' E/ _4 b- u; |# V& u Y: o# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
* L) F8 G/ A6 z. G0 E: Z# This is measured in units of pages (4096 bytes)3 n# V( p! L$ \% G& `
net.ipv4.tcp_mem = 65536 131072 2621440 ^+ y- Q( l" G) f1 I9 F4 z* m0 n
net.ipv4.udp_mem = 65536 131072 262144$ P& n0 A+ B3 i7 l9 l
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0 \; A2 u9 W* \8 k# P9 s. H# 憭扯蝺拙臬蝛粹
6 P- V) V ~, n6 w: E$ Anet.ipv4.tcp_rmem = 8192 87380 16777216- e) }' C$ ~0 M9 B! C
net.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹
& z+ G/ Q4 b1 J5 }- Znet.ipv4.tcp_wmem = 8192 65536 16777216
6 o% p9 P$ k& r l K1 ~( w' `net.ipv4.udp_wmem_min = 16384
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4 }" S z6 F0 z) X6 \+ s+ P3 {# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅- w' x, _4 q3 R9 W
net.ipv4.tcp_max_tw_buckets = 1440000; [- ~, {, Y1 [. X) p/ E! [
net.ipv4.tcp_tw_recycle = 13 O# `' y* y/ r" U7 m- N
net.ipv4.tcp_tw_reuse = 15 w0 j+ g8 F* k: ]
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摮瑼隞亦& u+ | ^$ K/ Y
#sysctl -p 頛亙歇霈. b: C U1 }6 }2 ?4 U
3 o( F+ _, y! R" z' T+ E3 q0 @! E" k$ ?" z靘皞:
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5 W2 Q8 M# Q& x( Nhttps://easyengine.io/tutorials/linux/sysctl-conf/+ x( W& c2 U! @. M$ O7 b
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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