Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:& u/ W8 d. N# _' [1 ]& x2 d; \
5 b `4 c, ^0 b' K#vi /etc/sysctl.conf) d0 p7 s ^3 `" m" i$ ]
### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠
3 m" Q- p/ Q( H, `+ @fs.file-max = 2097152
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# 頛撠鈭斗' H* z) N, @5 g* u1 ^- M: l
vm.swappiness = 109 V$ y% p: f* l5 l s0 O b
vm.dirty_ratio = 60: B7 w/ E* d7 ]: o& N: b
vm.dirty_background_ratio = 26 D9 [) Q0 U! I4 W% K
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### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
% R0 `1 U/ X* x& q9 d* j6 lnet.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
& F4 n+ q Q/ Y6 X5 U* V3 {net.ipv4.ip_local_port_range = 2000 65535
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1 q: M e6 h4 ?8 m1 M7 D# 貿CP Time-Wait靽霅8 ^7 @1 y+ w' N9 I$ {- _' R* L
net.ipv4.tcp_rfc1337 = 1
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# 雿撠 tcp_fin_timeout connection 閮剖
2 r- ^' h: e/ N4 l0 J# ]net.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖) U( R. f7 ^; v& e6 r S8 s i
net.ipv4.tcp_keepalive_time = 300- x/ l3 ?1 C! K) t; b9 C
net.ipv4.tcp_keepalive_probes = 5
5 j# l3 h) g9 Z D' L0 |net.ipv4.tcp_keepalive_intvl = 15
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! Q/ T& {6 b0 ^9 P; u### 隤踵渡雯頝舀 ###
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& m# D% ]7 {4 [1 f# 閮剔Socket交嗥楨摮) E- ?) g" o/ z1 y
net.core.rmem_default = 31457280- W! J2 j3 _. C0 m2 F# f
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# 憭抒Socket交嗥楨摮5 w |- F7 K) H6 a: x. F
net.core.rmem_max = 12582912
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3 W& M k! C+ M& T- b6 R# 閮剔Socket喲蝺拙; V i4 P# h0 B% m. w) t- z
net.core.wmem_default = 31457280
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' p! r0 T% E% k% Z' E- r( v, g6 Q# 憭抒Socket喲蝺拙
$ h, O' ]+ q: @net.core.wmem_max = 125829128 z2 V. [4 V# \
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# 憭抒雯頝舫交6 m) }# `3 `- X( N( ]
net.core.somaxconn = 40966 z+ i6 @, C- f8 ~. N
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# 憭抒雯頝舫亦backlog+ n0 `$ m1 j3 F/ H. A; f# b
net.core.netdev_max_backlog = 65536 t1 P/ j) m2 n
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# 憭扯園蝺拙憭折
: a C9 I2 ~$ ^4 k- Jnet.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8 E9 v9 n" }# Y
# This is measured in units of pages (4096 bytes)
7 H9 {3 ]* ?) L3 A1 |net.ipv4.tcp_mem = 65536 131072 262144% T$ y p8 T' @2 E
net.ipv4.udp_mem = 65536 131072 2621443 z8 c! @% D7 h/ m3 ?
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# 憭扯蝺拙臬蝛粹
7 s$ B" C; @3 \ Z. unet.ipv4.tcp_rmem = 8192 87380 16777216, ^1 z/ ]( s K2 w# `- N6 y+ j/ w: h
net.ipv4.udp_rmem_min = 163849 W% k& } s3 R* L; }( J
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# 憭批神亦楨摮臬蝛粹4 H9 T% l# a; ~5 |
net.ipv4.tcp_wmem = 8192 65536 16777216* L7 ~; S; Q9 O
net.ipv4.udp_wmem_min = 16384
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7 n) e2 n `, D# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅/ y/ o4 ^6 f5 R% r
net.ipv4.tcp_max_tw_buckets = 1440000
1 T2 {$ I. |% b3 @ B' f; q4 X( Unet.ipv4.tcp_tw_recycle = 1/ T/ p! w# L; B! M# t0 A. v# q+ u
net.ipv4.tcp_tw_reuse = 1( x. l& K) ?0 @: Q$ |; e7 v# U& v
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. M( U$ j. ^ Z6 H! ?摮瑼隞亦
9 ]9 S S8 H4 G" o5 G#sysctl -p 頛亙歇霈
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https://easyengine.io/tutorials/linux/sysctl-conf/9 z( h2 g) }7 c
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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