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
6 q( d2 A- F1 Q8 b) d### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠5 y" i& [" x+ F8 j4 I' U: X2 t
fs.file-max = 2097152
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# 頛撠鈭斗2 b+ t" J$ q1 x6 |
vm.swappiness = 10
p7 N& ?. W/ C) A! N/ V& Gvm.dirty_ratio = 60
6 W. t0 S) G& T5 e& Kvm.dirty_background_ratio = 2& a. p/ z6 n7 c3 M1 F
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### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥; L! E" C3 z' @# W) [3 e$ Q( H' A
net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
# ^* H9 I2 y* B! Znet.ipv4.ip_local_port_range = 2000 655353 c4 l. O, d5 f$ ^/ m& ~/ H
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6 E6 s* }2 z N8 M# 貿CP Time-Wait靽霅
8 }7 R3 i8 h, s. F! t" `3 a6 j6 M8 Anet.ipv4.tcp_rfc1337 = 15 m# G( G& b/ C4 V, j, z
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4 L( `6 I, }$ T' X- m/ H# 雿撠 tcp_fin_timeout connection 閮剖 a1 w! l& p: Z% ?" E9 ?
net.ipv4.tcp_fin_timeout = 15
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1 U0 a+ A. i" x/ o) q# 雿蝺摮瘣餅閮剖3 z& l9 @# `. Q) T) }, ]) E8 w$ B3 h {
net.ipv4.tcp_keepalive_time = 300
4 S, Q' I9 b2 _- ] L* jnet.ipv4.tcp_keepalive_probes = 5: D9 b1 z& Y' O0 A V1 ]
net.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###* ~9 S+ D! B1 f8 g
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) ]) } [' Q3 ?3 X# 閮剔Socket交嗥楨摮8 U- z% g; X+ Y7 D. ^: A
net.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮
1 T2 {" U' Q+ o' i# }1 dnet.core.rmem_max = 12582912
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, t- r! P0 Y2 E8 \3 B# 閮剔Socket喲蝺拙! T- X$ K% ]4 A' x0 K
net.core.wmem_default = 31457280' ~- N$ V$ T9 Q; p9 U* U; T6 n& C
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# 憭抒Socket喲蝺拙, d% Z8 O/ I% \
net.core.wmem_max = 12582912- N$ l& I, z, F" Q/ a1 w' G i$ ~
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3 _$ b6 J. B# ?2 g5 R8 u# 憭抒雯頝舫交" v1 J. {0 C# ]/ O6 J
net.core.somaxconn = 4096
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0 a* e" {( r4 X, S" ]# 憭抒雯頝舫亦backlog
H- ?, T5 g4 inet.core.netdev_max_backlog = 655362 T3 ~ [ V7 h4 c1 n! N' ^7 k
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# 憭扯園蝺拙憭折
6 l( G7 P+ O( S! n) \, a; T& Y: ]' W* [net.core.optmem_max = 251658246 k& u$ p) B. I" _
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
4 ~) D: m# \7 U# This is measured in units of pages (4096 bytes)* r7 k( M/ T# k/ A4 e" U
net.ipv4.tcp_mem = 65536 131072 262144
5 h* e: B( f: h7 @* i$ h4 F" mnet.ipv4.udp_mem = 65536 131072 262144
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. x! T& a9 e* t7 [0 x8 i6 h7 _# 憭扯蝺拙臬蝛粹( S0 L9 ?% S: j6 j% [
net.ipv4.tcp_rmem = 8192 87380 16777216. ?0 ?5 Q( Q+ B/ P8 P
net.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹/ l) w- Q6 b) K7 M' @) f# Y! v
net.ipv4.tcp_wmem = 8192 65536 167772167 N: w% H7 H% v' [0 D* T* z
net.ipv4.udp_wmem_min = 16384* n9 c1 H. X) n" Q
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅4 X$ ]4 L l" S `
net.ipv4.tcp_max_tw_buckets = 1440000
+ \2 c5 n- R7 ~ g% g. m( tnet.ipv4.tcp_tw_recycle = 1% N" k' w% r# U+ u+ j
net.ipv4.tcp_tw_reuse = 1
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2 E: D# H2 X$ k+ D# `摮瑼隞亦
9 u% y6 Q; @/ Q$ ?#sysctl -p 頛亙歇霈 z: M- C( q! @% o: ^
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https://easyengine.io/tutorials/linux/sysctl-conf/
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潸” 2017-8-28 11:01:58
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