Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:' T1 t" B4 T4 K) u
5 K, n' y* }9 g' J#vi /etc/sysctl.conf
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# 憭扳獢inode敹怠
$ C' J1 U: V1 Yfs.file-max = 2097152
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# 頛撠鈭斗; l, D( Q& R7 h3 m1 j2 ^
vm.swappiness = 10
, T, A9 W% H' b ^$ Z' U8 svm.dirty_ratio = 60
' a. i6 c' O" q% Qvm.dirty_background_ratio = 22 n, ?; |2 H) O4 N
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; d( u0 j" P" y: t+ h: `, ~; x4 u### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
" M6 k, r: i1 k2 d9 X7 knet.ipv4.tcp_synack_retries = 2
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) f, \3 e& S d9 p# 閮望祆蝬脰楝仿蝭' L0 f2 C. l0 I6 t
net.ipv4.ip_local_port_range = 2000 65535: p8 I" p: m8 L
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. s( m: q) @/ N: y) f V, L# 貿CP Time-Wait靽霅
2 [- C# G1 `9 |5 S% ynet.ipv4.tcp_rfc1337 = 1, q" E- k3 M) J! I$ T( O1 u
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# 雿撠 tcp_fin_timeout connection 閮剖) c: |5 a9 q- T ?
net.ipv4.tcp_fin_timeout = 15& }6 o c* S1 Q; C
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# m7 h, u! F! l9 S: m8 z; Q- _; z6 _# 雿蝺摮瘣餅閮剖
) ^! o! c. B6 V/ anet.ipv4.tcp_keepalive_time = 3001 r! {8 R7 q f. Q" H9 d
net.ipv4.tcp_keepalive_probes = 55 M% o h* f$ H% Y" w
net.ipv4.tcp_keepalive_intvl = 15. i8 P5 h3 g4 j9 K8 j; \
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### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮4 p, A' I( q( w
net.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮. @0 [2 Z6 U0 c* e
net.core.rmem_max = 12582912- Z6 M' T- U) g7 I; r9 y
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# 閮剔Socket喲蝺拙) Y7 p4 ^: f( h$ L, ~9 x+ S
net.core.wmem_default = 31457280$ ]/ [! ~9 s+ H, X! ~. [
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# 憭抒Socket喲蝺拙1 w2 y; N: e5 L
net.core.wmem_max = 12582912' ~) k, g1 b7 \
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# 憭抒雯頝舫交/ s5 r$ Z8 G: b; V3 S& C9 b {
net.core.somaxconn = 40963 q1 K. x% ?4 b
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# 憭抒雯頝舫亦backlog3 b6 \; u, K) d: f0 y! W9 S
net.core.netdev_max_backlog = 65536+ b# \0 O0 ]3 N) z5 B
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( f4 k8 A0 E& f3 U0 I) E2 ?3 @+ U# 憭扯園蝺拙憭折
: I' {9 _ _; }$ m% h, g5 Ynet.core.optmem_max = 25165824$ @, R: c! Y! `2 M
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# f( ~: N; [7 W4 O5 b2 Q/ J# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
/ _8 n/ H: W9 v4 P; Q# This is measured in units of pages (4096 bytes)
! Z& a% ]+ v& Q% U' D* Y, hnet.ipv4.tcp_mem = 65536 131072 262144! Z9 R2 A/ ^# H* p* P! ~9 |3 D1 v% a
net.ipv4.udp_mem = 65536 131072 262144
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3 W' o0 v$ ~4 J) K! X# 憭扯蝺拙臬蝛粹3 Z- f5 X* P8 C) ]8 r: k- S
net.ipv4.tcp_rmem = 8192 87380 16777216
# r6 O2 {( k+ hnet.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹
3 A& j6 d9 A+ r4 @net.ipv4.tcp_wmem = 8192 65536 167772160 z+ o3 z. j0 O5 v6 y7 R6 K9 _4 z
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3 K" D% A; {# m' p* r- m% N( o
net.ipv4.tcp_max_tw_buckets = 1440000
( F, g9 C3 ]5 j$ l! g( h$ ]& }net.ipv4.tcp_tw_recycle = 1
. Z5 B- r/ c0 u/ @/ _- g& S' t# z$ lnet.ipv4.tcp_tw_reuse = 1
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4 b( w# t) s9 z; x摮瑼隞亦+ M/ M, A7 }. k
#sysctl -p 頛亙歇霈
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靘皞:
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% t, M, G7 ?% \. V5 M) uhttps://easyengine.io/tutorials/linux/sysctl-conf/
2 z# C0 n1 B# `8 v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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