Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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1 q' J9 g- J& N#vi /etc/sysctl.conf& |5 R8 D& j& |
### 寥脩頂蝯梯園蝞∠ ###4 e* G9 F6 L. F" F' w5 X- H8 Z
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0 D9 _, S; Q: Y$ a4 b: k) p# 憭扳獢inode敹怠
! x+ h0 o/ O7 P6 Sfs.file-max = 2097152
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# 頛撠鈭斗' p, L4 O3 |! d; C" V" c2 p
vm.swappiness = 10
- q" }' G) R0 l b( lvm.dirty_ratio = 603 O9 ^; Y+ n5 E2 }+ X# b
vm.dirty_background_ratio = 29 R7 y; L5 h: Q
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### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
0 i) S2 {) ?9 e) G8 lnet.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
1 l/ e5 _+ t7 k. z' Q) F5 znet.ipv4.ip_local_port_range = 2000 65535
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8 J5 Y" [& w0 q) S$ Z0 D# 貿CP Time-Wait靽霅8 z' k5 D! o5 b: k, \* M
net.ipv4.tcp_rfc1337 = 14 p0 W5 x d1 g4 t+ Y
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# 雿撠 tcp_fin_timeout connection 閮剖
- ^0 X1 p# J7 L# n" p' x* n" cnet.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖
: v1 I9 U" D) E- u6 f; i5 o$ u$ h+ Inet.ipv4.tcp_keepalive_time = 300
0 s3 _9 O0 v/ z& d8 ?6 Rnet.ipv4.tcp_keepalive_probes = 5. m) |" L6 }/ j! i9 [6 i2 c! Z
net.ipv4.tcp_keepalive_intvl = 151 L' u' i' q& f) O& d
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### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮( m; e6 r( t: g& ?0 j1 E4 \
net.core.rmem_default = 314572803 E1 E# v$ N; o
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# 憭抒Socket交嗥楨摮1 J7 J- J2 P, n6 g" `# k
net.core.rmem_max = 12582912
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" P0 w6 v3 b! s2 S9 E# 閮剔Socket喲蝺拙' Q$ ]0 h2 t- ^, s+ k) g: |# y
net.core.wmem_default = 31457280/ v$ M3 t4 }2 I% m
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# 憭抒Socket喲蝺拙
6 M0 y: w, q7 H' U6 Rnet.core.wmem_max = 12582912
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# 憭抒雯頝舫交: Z, d4 Q$ |6 y3 g
net.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog+ O$ d) |( p/ f) G: Z+ S
net.core.netdev_max_backlog = 65536
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# 憭扯園蝺拙憭折' j. f' N- _' t& A Z7 y S- J; Y# v! i
net.core.optmem_max = 25165824
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3 o$ f! X7 X! u. B1 ~# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
; I' S; y+ k' R$ A+ C! O( b# This is measured in units of pages (4096 bytes)
& b; [. L( p" I# W, l: N/ }net.ipv4.tcp_mem = 65536 131072 262144
, f: D& D* l% Q6 }+ _: n/ w2 Cnet.ipv4.udp_mem = 65536 131072 262144
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1 {% B: N8 N. [" b# 憭扯蝺拙臬蝛粹4 q1 q$ J- c$ D0 t
net.ipv4.tcp_rmem = 8192 87380 16777216
0 G) |- C, D- k3 c3 A8 |net.ipv4.udp_rmem_min = 16384' R \! s% P8 X$ m' f; m8 H8 U
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/ B% T3 A4 P5 R \ y! C5 c# 憭批神亦楨摮臬蝛粹
2 I/ X& l% A. g G D6 f8 t$ j# vnet.ipv4.tcp_wmem = 8192 65536 16777216
6 t5 M& \* E9 C( Q2 rnet.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
& ?, p0 H9 ]1 y4 {( Ynet.ipv4.tcp_max_tw_buckets = 1440000( a$ ?4 J6 A4 i% E" [& C5 W
net.ipv4.tcp_tw_recycle = 1+ O5 ]5 o. w' C: G
net.ipv4.tcp_tw_reuse = 1
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0 P: v, P8 R% Q: w3 P9 H( `8 n. t3 K摮瑼隞亦
2 R! G, i1 s% r/ n5 ~0 P- J, G8 k0 o#sysctl -p 頛亙歇霈8 \# T% K5 e; L
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& S6 Z4 n! r( u( f! i/ ohttps://easyengine.io/tutorials/linux/sysctl-conf/
; Z, m1 y' I5 K, S: t摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 & B# b$ F" d8 l9 G9 H1 P# g! }
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潸” 2017-8-28 11:01:58
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