Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:) S) W0 v6 R r
% `8 W* _/ D! J0 f8 t9 C; x R" k* G#vi /etc/sysctl.conf$ C$ T/ a: E, @ B
### 寥脩頂蝯梯園蝞∠ ###7 b8 R, Z2 i7 G" Q: U
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# 憭扳獢inode敹怠7 x9 n' c, \$ x4 i
fs.file-max = 2097152, }5 ^' X6 p; I9 [3 j
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# 頛撠鈭斗
' G" h; Z2 K, @1 dvm.swappiness = 10
/ R" P: g( P3 `7 l( V3 e% avm.dirty_ratio = 606 V6 a/ Q4 ^' L6 x6 H7 O" _
vm.dirty_background_ratio = 2# a0 D4 x7 F5 z' W# A# l0 E- O
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### 銝祉蝬脰楝摰券賊 ###2 D) {' @4 C, O/ O6 X
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! R$ S, N3 d( m5 S4 o# 鋡怠(passive)TCP亦SYNACKs甈⊥
" o: T# _2 w- r: J' U" j# Z, y. ]* Enet.ipv4.tcp_synack_retries = 2
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5 ^; s/ q8 u* L: Q# 閮望祆蝬脰楝仿蝭
+ p7 S% ^$ m" Onet.ipv4.ip_local_port_range = 2000 65535
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# 貿CP Time-Wait靽霅
) ~( M! [' y" e+ R9 W1 Qnet.ipv4.tcp_rfc1337 = 1+ E$ L. l: q6 S6 z! L7 m# f9 H
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* v2 j. {& s9 h# Y0 v4 I# 雿撠 tcp_fin_timeout connection 閮剖+ {6 J/ G- t2 S8 O. e
net.ipv4.tcp_fin_timeout = 15
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5 A; j, ], P3 }. A' {& G- W# 雿蝺摮瘣餅閮剖
' \) {2 y Z+ s6 rnet.ipv4.tcp_keepalive_time = 300) k( `( m; S+ Q$ m1 t
net.ipv4.tcp_keepalive_probes = 5
+ E2 C- {( @$ H9 onet.ipv4.tcp_keepalive_intvl = 15) ^1 C5 h6 h$ s/ ^
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. K3 s! L G% b$ A### 隤踵渡雯頝舀 ###
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: t+ ?' x, r" u7 B# 閮剔Socket交嗥楨摮
& ~7 ]) z# _6 Gnet.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮
2 A/ N' B* z1 X* t. v9 D Q( i8 Onet.core.rmem_max = 12582912
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0 i* \+ [' ^" w$ ^4 \# 閮剔Socket喲蝺拙
" r7 c+ E2 _# |+ j8 Knet.core.wmem_default = 31457280
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# 憭抒Socket喲蝺拙1 R& z* o& ?) M
net.core.wmem_max = 12582912* c4 E( P- ]) @
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* v4 v1 E3 b' N* Y5 U A/ m# 憭抒雯頝舫交9 v( O- Q0 J/ K& M* n1 B
net.core.somaxconn = 4096
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2 L) A* I6 j7 |2 }: z# 憭抒雯頝舫亦backlog
# V# ?( `) H1 i6 f, Onet.core.netdev_max_backlog = 65536; j' n: B3 I6 J5 W9 O& w
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# F" r8 v5 y k; H2 T1 j5 I! z& g x# 憭扯園蝺拙憭折* ]+ D" F, k2 m& k
net.core.optmem_max = 25165824 U1 J+ { x7 z) z$ f0 z
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
) C1 k5 V+ ^3 [' w! x# This is measured in units of pages (4096 bytes)
2 b$ S. Y, Z, U: Q* anet.ipv4.tcp_mem = 65536 131072 262144
1 ?$ X% e" X9 Y/ K- U, rnet.ipv4.udp_mem = 65536 131072 262144
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# 憭扯蝺拙臬蝛粹
' ?. l; L s3 `7 \net.ipv4.tcp_rmem = 8192 87380 16777216/ L0 s6 Y( r9 ~' h. y( |7 y+ g
net.ipv4.udp_rmem_min = 16384
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# 憭批神亦楨摮臬蝛粹0 ~9 D4 I6 s, u: |' k
net.ipv4.tcp_wmem = 8192 65536 16777216, {, [) E$ j) w. X" s v& K9 q
net.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅/ G" L0 ^' |* {" K" Q
net.ipv4.tcp_max_tw_buckets = 1440000
! a' L$ d4 c: \+ |$ {# i+ A. M0 cnet.ipv4.tcp_tw_recycle = 1% K: r( K" R+ S7 y
net.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦
[2 E0 \3 ~1 C) A; R5 k5 m#sysctl -p 頛亙歇霈7 c5 j/ b$ P8 |/ x) I
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靘皞:
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- H0 K2 ?. P3 E6 Dhttps://easyengine.io/tutorials/linux/sysctl-conf/) `& q" J5 q+ O, S( t
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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