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
2 ^! j% B8 C) q### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠
P0 y c* n7 x. N4 _1 lfs.file-max = 2097152' Y' s. [% ~( i/ Y
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# 頛撠鈭斗& S! X+ a3 ?+ h# R7 V, F! X l/ z3 V
vm.swappiness = 101 x: D: d( _0 K* O" M
vm.dirty_ratio = 600 t4 s3 z4 P4 r5 T+ g
vm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###
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! M& b7 ?& h) A8 h; W# 鋡怠(passive)TCP亦SYNACKs甈⊥5 N/ S+ X* V, C/ Z" d$ T9 K; _
net.ipv4.tcp_synack_retries = 2 t3 |3 N; O# F, n" e9 \
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# 閮望祆蝬脰楝仿蝭# Z+ M* w& m) V, |
net.ipv4.ip_local_port_range = 2000 65535
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2 L; g0 j3 h/ ?& D5 ]# 貿CP Time-Wait靽霅8 A1 b7 `7 V& R3 A9 `& \
net.ipv4.tcp_rfc1337 = 12 S( I) s* Q5 e. y q6 q# u
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/ v/ h0 ~# a, C) W/ A2 b# 雿撠 tcp_fin_timeout connection 閮剖4 g t+ E" R% ~! V. O' E3 D
net.ipv4.tcp_fin_timeout = 156 g4 t4 L x+ u! @* q5 G
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" Y) s! m$ L6 U" L- W# 雿蝺摮瘣餅閮剖
5 h0 t! {; Y- K) ~net.ipv4.tcp_keepalive_time = 300) }- {( `/ p! H6 ~: J, s
net.ipv4.tcp_keepalive_probes = 5
R" f$ Z r$ @% anet.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
. r4 Q0 `* w: q" rnet.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮
f X5 b+ D- n/ p8 Hnet.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙
( ]5 @/ d) ]! a$ ~net.core.wmem_default = 31457280
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# 憭抒Socket喲蝺拙
5 Z2 w6 B u( y `0 `net.core.wmem_max = 12582912
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# F+ p3 T$ A% g( L# U* w. ?' j# 憭抒雯頝舫交
, G3 O- v% U Z0 X& j- h' ]; `8 Wnet.core.somaxconn = 4096
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& P+ T1 h4 B4 y0 V q/ a- M# 憭抒雯頝舫亦backlog' G7 F6 j! V1 M' O3 f3 S) k
net.core.netdev_max_backlog = 65536
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6 S( C# W- {+ j; p1 q# 憭扯園蝺拙憭折
# S! [* z2 H0 H( Lnet.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
7 C( }& E4 z* e7 @) q# This is measured in units of pages (4096 bytes)+ u8 ?! ^) N' x w
net.ipv4.tcp_mem = 65536 131072 262144
) T; c4 E p2 E. p ?( l7 @" J* ]$ Onet.ipv4.udp_mem = 65536 131072 262144
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( Y4 R2 K* w% P* m$ d: V5 j/ I# 憭扯蝺拙臬蝛粹7 o% N9 T. _% C6 f! J3 E
net.ipv4.tcp_rmem = 8192 87380 16777216
! {" R0 y# V$ x; T$ }8 A, k/ mnet.ipv4.udp_rmem_min = 163840 K/ R( L% }: T. ?8 a
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) a9 T2 N4 U- W( D+ e0 u# 憭批神亦楨摮臬蝛粹7 F" Z1 r- h$ S, P0 M
net.ipv4.tcp_wmem = 8192 65536 16777216% C, q6 ]! T: l6 T9 m! p3 e6 \
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
. q/ l: I' @, Tnet.ipv4.tcp_max_tw_buckets = 1440000
" m2 e4 m: Z7 q8 S* u, T1 @; Onet.ipv4.tcp_tw_recycle = 1 H! ]& ] T! a! {! y
net.ipv4.tcp_tw_reuse = 1- W7 m, l4 W Q2 R& @2 X
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/ B W9 K/ U+ N1 f \% z摮瑼隞亦0 b2 O& b* M9 I9 \
#sysctl -p 頛亙歇霈8 @+ |) k( p$ U: F4 l
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靘皞:9 d/ [9 Q* r% l% I; b2 \/ m" Z% P
9 |9 B" h% p' K. f- O# Ihttps://easyengine.io/tutorials/linux/sysctl-conf/
6 t# _$ o! d+ m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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