Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:; v$ r8 {; b! b$ w8 |" C& U
7 a5 W# q: G# e0 K#vi /etc/sysctl.conf
0 L* I( x5 L5 j+ R, h3 q$ V; k### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠' m; \3 n/ g& Q7 U. W# V% ~. y H
fs.file-max = 2097152# \, D4 X1 S& A" {& |; O+ G
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' q V1 X$ S6 J v, ?5 l5 w# 頛撠鈭斗( u9 m! }9 J; ]; P3 @7 }
vm.swappiness = 10
* _2 @: U& a1 D: h) svm.dirty_ratio = 609 ^" H+ @" l2 E$ s* U* X
vm.dirty_background_ratio = 2; g* K( g& I, t
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N k6 v3 i# O1 Z### 銝祉蝬脰楝摰券賊 ###
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2 y! s! B" G7 ]. H. v3 y0 K# N: g" P# 鋡怠(passive)TCP亦SYNACKs甈⊥, I* n; K) b5 P6 s
net.ipv4.tcp_synack_retries = 24 L- e) j$ m- v
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net.ipv4.ip_local_port_range = 2000 655352 h9 v9 y$ Q) H- d- K, s
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`4 j: ~3 E, ^; |1 h0 B8 k# 貿CP Time-Wait靽霅
- Q0 i3 U( N/ o! e9 L/ _; n$ |net.ipv4.tcp_rfc1337 = 1
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2 W# B$ `+ F: {2 O0 r, {# 雿撠 tcp_fin_timeout connection 閮剖
) h1 t) C, a0 O6 ?net.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖0 `8 u# [, N! y% U" b6 V2 Y4 Q# a$ c: v
net.ipv4.tcp_keepalive_time = 300- Y/ e, z! F2 n9 F% ~5 P" v
net.ipv4.tcp_keepalive_probes = 5
3 b) v( s5 S% W% _6 t- snet.ipv4.tcp_keepalive_intvl = 15! f# T- e$ L* t1 K6 N
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### 隤踵渡雯頝舀 ###$ h- Y% y# n! F' I1 k0 C) l/ j
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# 閮剔Socket交嗥楨摮
* Q8 X4 K x pnet.core.rmem_default = 31457280
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) W( ^8 u' K. }# 憭抒Socket交嗥楨摮& p- q& W, C ?5 k9 S8 Y; h
net.core.rmem_max = 12582912
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, m4 g8 ^5 E B# 閮剔Socket喲蝺拙/ F, [1 @+ e2 ^7 G1 e! r* \
net.core.wmem_default = 31457280/ Y/ @5 Q- ^9 O6 X( X; g
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1 s* f5 O {5 t, Z# 憭抒Socket喲蝺拙: i2 S+ z$ ^; o4 `
net.core.wmem_max = 12582912
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# 憭抒雯頝舫交# f+ y+ `, j0 R& G0 I7 W
net.core.somaxconn = 4096# b5 t- r5 l' t8 X) P% X8 W% R$ x- V& I
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3 h8 V8 I/ ~8 h# 憭抒雯頝舫亦backlog- y5 w3 ^3 x' h8 W5 }5 u
net.core.netdev_max_backlog = 65536
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# 憭扯園蝺拙憭折
& z. H5 W+ W9 c1 t0 L! A3 z$ Wnet.core.optmem_max = 25165824. w: i4 E$ S! A! M5 P
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8 K% e) B- B/ S7 j4 `$ g8 i# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
* x9 v" L! d. y) ]* f7 C# This is measured in units of pages (4096 bytes) E5 n5 J* L/ N$ a, \
net.ipv4.tcp_mem = 65536 131072 262144* X0 N* e) @+ i [5 J, r
net.ipv4.udp_mem = 65536 131072 262144
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4 S a( v0 ?0 A2 j# 憭扯蝺拙臬蝛粹
0 ~) U/ F5 e6 inet.ipv4.tcp_rmem = 8192 87380 16777216# ?' M* p0 n; @) }
net.ipv4.udp_rmem_min = 16384
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7 L$ v& b2 m' s# 憭批神亦楨摮臬蝛粹8 V+ U" H/ i! j
net.ipv4.tcp_wmem = 8192 65536 16777216& J; z8 i& V7 V. Q' n! X- D$ Y+ }
net.ipv4.udp_wmem_min = 163848 g/ G5 h- _: X' _
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅( |$ \0 q4 v& x1 s7 I; j
net.ipv4.tcp_max_tw_buckets = 1440000
# Y+ Z7 { g& |5 O( Onet.ipv4.tcp_tw_recycle = 12 d6 X% G3 `- o7 L
net.ipv4.tcp_tw_reuse = 1* x) Q) o, P5 b8 k; ?
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摮瑼隞亦. ^# }7 x: k& ?! f
#sysctl -p 頛亙歇霈
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靘皞:
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https://easyengine.io/tutorials/linux/sysctl-conf/( |: O- g; ^/ _ x! G# R0 n
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 4 {4 I0 \/ T. E* p! q
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潸” 2017-8-28 11:01:58
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