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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# 憭扳獢inode敹怠
2 o# d2 l* v9 Z6 }fs.file-max = 2097152
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9 p5 o& f. g v& H3 L# 頛撠鈭斗. C, s( _# o" ^9 m/ N9 a
vm.swappiness = 10
3 G2 V# n* E* b, i g% rvm.dirty_ratio = 60
& ~2 W& ]' J E' j8 z5 ]! ]vm.dirty_background_ratio = 2( a5 B; N5 Y) e2 N2 o
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% X/ f: h, c4 h( a4 L8 W. ?6 G### 銝祉蝬脰楝摰券賊 ###
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9 Y8 ^, e) r, N, m9 M0 G1 d9 J5 L# 鋡怠(passive)TCP亦SYNACKs甈⊥
; v7 k; j: ?( l" z) `5 ]6 O; }net.ipv4.tcp_synack_retries = 2
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# N% J. B6 ^$ q" e# 閮望祆蝬脰楝仿蝭' j3 ~9 a2 X: v/ z- h! @, y
net.ipv4.ip_local_port_range = 2000 655354 _- G* ^: y4 T7 k
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# 貿CP Time-Wait靽霅
* P! Q* Q2 k+ vnet.ipv4.tcp_rfc1337 = 1
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4 ]. S/ w* ~/ ]# r- k# 雿撠 tcp_fin_timeout connection 閮剖* g- r: m G2 d! `& p
net.ipv4.tcp_fin_timeout = 15' [" Y+ c" |" _, N
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. k6 M8 g! ^ x! [2 S' w" R# 雿蝺摮瘣餅閮剖
/ l) _& x) P( F; G% knet.ipv4.tcp_keepalive_time = 3006 w* W. e3 Y0 p% C8 N: T- I
net.ipv4.tcp_keepalive_probes = 5! T2 R& M) ^- l( D$ G
net.ipv4.tcp_keepalive_intvl = 15
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3 Z% h4 u0 i$ d" w### 隤踵渡雯頝舀 ###
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* J9 _* f. r2 ~. H9 T( b6 l# 閮剔Socket交嗥楨摮5 Y2 ]+ `( i# R# e* t
net.core.rmem_default = 31457280
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% G+ ` k- ?! u( z3 V: y# 憭抒Socket交嗥楨摮; x9 S2 H) J. Y' Y
net.core.rmem_max = 12582912
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" ^# Q9 _" h6 d# 閮剔Socket喲蝺拙
/ \( q7 C- }7 ~( W7 Onet.core.wmem_default = 31457280
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3 Z: E" n/ i: b, a# 憭抒Socket喲蝺拙$ @. w. w# i2 q5 ^
net.core.wmem_max = 12582912& _8 ^; ]8 D2 \6 x* C
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; S7 x. U9 `4 ]) O, V1 A/ J# 憭抒雯頝舫交
x+ f" [* Z6 i+ [9 F* qnet.core.somaxconn = 40966 F" m" \- @* q. { O% y% R
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& v' L2 K* G" i/ h+ v+ a$ d# 憭抒雯頝舫亦backlog+ ?% o( t9 ^/ P5 Z
net.core.netdev_max_backlog = 65536( T+ v4 e' k c( j; r4 t/ G# f
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# 憭扯園蝺拙憭折1 b% E9 K( }% y
net.core.optmem_max = 25165824
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6 W# ?# U& C8 C# Y) I! ~# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇- M+ }9 o+ ~+ K3 k+ W
# This is measured in units of pages (4096 bytes)# v. \& k7 f% K8 {6 t6 u
net.ipv4.tcp_mem = 65536 131072 262144" [$ T# E8 u9 G$ l; \$ ]( L
net.ipv4.udp_mem = 65536 131072 262144
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# 憭扯蝺拙臬蝛粹. g0 z C7 O/ ~) w
net.ipv4.tcp_rmem = 8192 87380 16777216
* `+ |. d$ ~* K! Inet.ipv4.udp_rmem_min = 16384- b+ R0 O% V: A
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# 憭批神亦楨摮臬蝛粹
# }3 \$ C/ V/ x, t" I F) d, N; unet.ipv4.tcp_wmem = 8192 65536 167772167 x) h- T0 W: I
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
5 e5 y5 K% N( Anet.ipv4.tcp_max_tw_buckets = 1440000
! L: ?& l6 k) `0 h; Dnet.ipv4.tcp_tw_recycle = 17 m( W; z1 t1 Q# H) X$ \
net.ipv4.tcp_tw_reuse = 12 B) U+ j+ w6 e: S1 U" j
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摮瑼隞亦- q) @9 F7 O$ o" |
#sysctl -p 頛亙歇霈
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/ @* ?4 @ f" \2 A# y靘皞:! |! [% t, i/ i+ f
9 r( Y: p% ~* A" u( phttps://easyengine.io/tutorials/linux/sysctl-conf/
0 X7 u! p3 M- d: T# {, Q4 v/ w% ^% i摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 + j& {" k' t2 _5 v) I: K$ [
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潸” 2017-8-28 11:01:58
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