Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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* r. G2 _# X0 L- @8 h#vi /etc/sysctl.conf
5 j9 M8 p( Q# a/ Z### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠
" c9 X( ?$ o% ~& @9 P- sfs.file-max = 2097152
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( d+ `) ]% v2 r& C# 頛撠鈭斗0 A; u5 |2 T3 B8 x% }" l( {/ S1 Q
vm.swappiness = 109 H; w& d% X' L) r) q3 H) e
vm.dirty_ratio = 608 T' d5 `/ d: `/ ~' o
vm.dirty_background_ratio = 24 F+ T& C- p4 j0 O8 _0 _3 k/ H
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### 銝祉蝬脰楝摰券賊 ### _) n1 J5 U& y! n1 i' [. C
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
6 A/ Y9 ~6 J3 w% r6 X. D- bnet.ipv4.tcp_synack_retries = 27 D; t6 O e) q1 P
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# 閮望祆蝬脰楝仿蝭
9 P* u) a. y$ Cnet.ipv4.ip_local_port_range = 2000 65535
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m. _5 T6 k& _9 T# 貿CP Time-Wait靽霅
6 A7 n( k% b" L! p" ^% y3 \net.ipv4.tcp_rfc1337 = 1( G- g& Q- D: L2 _0 }
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# I: [1 {1 a+ E( I' }: Q# 雿撠 tcp_fin_timeout connection 閮剖
# K& ?: _6 _ Z/ z' c) i& O' `net.ipv4.tcp_fin_timeout = 159 T. W9 G/ }! l9 u" I: K$ `
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% v; T }7 z& D5 ]4 ?0 {# 雿蝺摮瘣餅閮剖
- U# t0 S8 I% Z( o6 J) v0 xnet.ipv4.tcp_keepalive_time = 300
( H3 ~0 I/ H2 y; M/ S6 u( U. Snet.ipv4.tcp_keepalive_probes = 5' m+ D5 j+ t: m @
net.ipv4.tcp_keepalive_intvl = 15( M* ^) `9 c0 U1 h" X9 w3 U, }
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3 P1 k% k$ Z" h7 y: V### 隤踵渡雯頝舀 ###
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9 l0 H$ [; c) Z3 E2 L# 閮剔Socket交嗥楨摮) B! h+ s9 ]) R) `: @
net.core.rmem_default = 31457280& w, }7 O9 A5 B0 ?; W7 O, v
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6 p! R0 A& n! ]# 憭抒Socket交嗥楨摮
+ O& }$ K3 }2 U+ ?0 E& O& lnet.core.rmem_max = 12582912# V' ~1 @ x" ~$ O' ]1 o) ^# O
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3 p9 a6 S1 J- p/ t# 閮剔Socket喲蝺拙% [0 S. n9 ~! O
net.core.wmem_default = 31457280& E8 k& e, u1 N/ U5 h
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# 憭抒Socket喲蝺拙
3 @3 W. c" G* d4 gnet.core.wmem_max = 12582912
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# 憭抒雯頝舫交
. C- b) @. {0 K" i3 W9 Gnet.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog" H1 v# N9 S, }' O: Y, k. L
net.core.netdev_max_backlog = 65536- B9 j( R) m6 l
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# 憭扯園蝺拙憭折8 q! G- P7 Y. v! J+ \$ r" e
net.core.optmem_max = 251658242 J7 \; W' L% ~6 T0 {2 e
# ? m% B5 X; E+ f
9 S, U+ h5 k! ?5 ~/ s8 f# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇9 m9 b, r% V1 K" m) y* W6 c
# This is measured in units of pages (4096 bytes)
, m m, i$ a) J. v R2 gnet.ipv4.tcp_mem = 65536 131072 262144% O/ a9 g$ v- g. r: d2 \( Y: H% H) ]
net.ipv4.udp_mem = 65536 131072 262144' E3 g5 K. y# ?3 ]1 ? ]1 y! s M8 r
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# 憭扯蝺拙臬蝛粹
% o" G& e4 h: F8 m) ] h6 v$ G$ Unet.ipv4.tcp_rmem = 8192 87380 16777216. s6 G: @4 Z* {: l9 s$ q' d9 l
net.ipv4.udp_rmem_min = 16384+ k/ f b0 @/ B3 Q% M; B
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$ s' q: E% }# M% c" f2 n# 憭批神亦楨摮臬蝛粹 c k _" f7 e$ w
net.ipv4.tcp_wmem = 8192 65536 16777216
3 h3 O/ n' E$ ]3 c. fnet.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅3 n9 [, w% O3 v0 \
net.ipv4.tcp_max_tw_buckets = 14400004 _9 v, n* Q6 D: X2 A' C6 n# ?5 R
net.ipv4.tcp_tw_recycle = 1, Q( R- a+ i8 _- A- V5 \
net.ipv4.tcp_tw_reuse = 1. ]% i5 D) o; Z
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摮瑼隞亦7 I e& z, K0 E$ F! p
#sysctl -p 頛亙歇霈
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https://easyengine.io/tutorials/linux/sysctl-conf/
: H$ g1 P! j, E$ \' v摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 ' T8 X, o1 [- g& y/ D
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潸” 2017-8-28 11:01:58
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