Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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. C: e/ t, R$ I) o6 K1 A: T) F y0 A5 n% @#vi /etc/sysctl.conf
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. ?4 Y8 l, ~, N# U# 憭扳獢inode敹怠/ z$ |, v/ I1 ]# i+ v8 p
fs.file-max = 2097152( X$ z5 s+ u/ C+ g! l2 I
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# 頛撠鈭斗2 ^5 ]# j- `7 H
vm.swappiness = 10
) m# ]. p; X0 p& nvm.dirty_ratio = 60# e6 a! a6 X4 k+ q0 A
vm.dirty_background_ratio = 2
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: t6 g, X: E$ t4 c6 c0 |, N P; P### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
) I$ H$ ~8 ]" A6 Lnet.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭/ g) |8 e8 C( L% p6 k8 m: S
net.ipv4.ip_local_port_range = 2000 65535
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( ?" H& R Q( Y9 l6 R; T# 貿CP Time-Wait靽霅7 U! n( [; E) F$ o# f- s! f
net.ipv4.tcp_rfc1337 = 1
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# 雿撠 tcp_fin_timeout connection 閮剖* J% d; i! L8 L
net.ipv4.tcp_fin_timeout = 15, T/ M' r; U& J0 S9 k
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: _5 f* q% T4 ?# 雿蝺摮瘣餅閮剖& h: i' ]2 S7 W3 G5 A! t
net.ipv4.tcp_keepalive_time = 300
3 a, {9 Z: ^2 w: z4 ynet.ipv4.tcp_keepalive_probes = 50 l" w- i4 O6 ^% s+ z9 W
net.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/ p# S, W7 }: T3 @
net.core.rmem_default = 31457280( n: H2 u0 d) z
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# 憭抒Socket交嗥楨摮& d' P! z/ s) ^" C
net.core.rmem_max = 12582912; B' ?; \8 e1 Y$ y: G2 O
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# 閮剔Socket喲蝺拙
2 S7 Y6 {8 }+ k8 @# Lnet.core.wmem_default = 31457280) T4 J( l+ i0 w$ P! v2 y9 ^4 Q
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# 憭抒Socket喲蝺拙
& A. M) h. L! W3 w$ enet.core.wmem_max = 12582912
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+ t: U: \. x5 F' \# 憭抒雯頝舫交
9 j& ^* \6 O$ rnet.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog
1 t/ X; V8 s- \8 M) tnet.core.netdev_max_backlog = 655364 F$ m% }. a: D9 y0 P; N- a
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# 憭扯園蝺拙憭折
0 v5 e! Z, }, C! Onet.core.optmem_max = 25165824
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0 ?& G+ ]' { X( s5 j G4 c# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇+ b9 ~' Y5 x6 b$ u
# This is measured in units of pages (4096 bytes)! c* s* r! Q( \3 [. ]5 C
net.ipv4.tcp_mem = 65536 131072 2621442 f! [6 `: b' N2 p- C" M8 t
net.ipv4.udp_mem = 65536 131072 262144" o: f% Q; J9 M3 F
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. W2 H* r* W5 F" Y# 憭扯蝺拙臬蝛粹
9 K9 C! O( _$ {- q; D# j" ^net.ipv4.tcp_rmem = 8192 87380 16777216
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- V: f, ~ W, [* \# 憭批神亦楨摮臬蝛粹
& ]! Y# u8 I/ |% O7 g: o) ^net.ipv4.tcp_wmem = 8192 65536 16777216
6 X- e5 n9 I* M5 Z1 ^& Ynet.ipv4.udp_wmem_min = 16384% y$ m. c* s8 R# N6 ^& u
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0 `- i1 ~9 w8 p! _! y5 f) Q# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
2 o; T$ O, {5 z+ rnet.ipv4.tcp_max_tw_buckets = 1440000$ m$ Q$ N/ o+ d5 p
net.ipv4.tcp_tw_recycle = 1* Y: v8 A6 o4 N( r: _
net.ipv4.tcp_tw_reuse = 1
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" C0 p, }' M! i3 A! _摮瑼隞亦
0 N8 g. J! k% ~; O8 p#sysctl -p 頛亙歇霈
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靘皞:7 v( \: `& b& L3 q9 T
, `/ R5 R9 z; d; Yhttps://easyengine.io/tutorials/linux/sysctl-conf/8 S* |, t J" H; t0 e |0 p. Y8 \
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 6 F# j5 u! S M( q- n
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潸” 2017-8-28 11:01:58
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