Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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6 p" z1 O4 m- _# |1 E) j#vi /etc/sysctl.conf; G$ T" M$ j4 ?. [7 C6 F2 i
### 寥脩頂蝯梯園蝞∠ ###' R% h/ q- O* c- y! ?/ E0 y3 B
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: ?. J! o, E4 t4 M$ N5 h7 Z* o# 憭扳獢inode敹怠
( K- R4 ], y3 K/ r. C) A, afs.file-max = 20971520 V" {5 @# E0 O1 y- u' Y
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# 頛撠鈭斗* b# F8 ]9 R3 V
vm.swappiness = 10( _& J+ }9 S5 b# j0 f" ^2 ?, a
vm.dirty_ratio = 60
: h6 D5 n' _1 k9 O6 Y: [. D5 D" zvm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###' I' U" J0 @4 y( S" }
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* L. f/ Q7 P; f1 H1 a7 ~3 A# 鋡怠(passive)TCP亦SYNACKs甈⊥
# V" I7 ?. l% S5 [net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
" z* h! v9 E) f, V' F/ Anet.ipv4.ip_local_port_range = 2000 65535
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# 貿CP Time-Wait靽霅
3 i$ v- X! i) A# p; w( l3 nnet.ipv4.tcp_rfc1337 = 1 K1 i+ e5 O+ h( D& g
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# 雿撠 tcp_fin_timeout connection 閮剖
n0 |6 I7 A* `( gnet.ipv4.tcp_fin_timeout = 15" x$ A+ F8 f6 G7 F
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# 雿蝺摮瘣餅閮剖
; E3 C/ C1 ?/ |* h. Knet.ipv4.tcp_keepalive_time = 3002 K* x ^, w, Z6 e7 O* Z8 F
net.ipv4.tcp_keepalive_probes = 57 ~! X0 | X9 }) V) k7 m
net.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮
7 ~0 w% m2 E. q. x3 q8 P* g: Pnet.core.rmem_default = 31457280) N) ], C% b+ j, [+ y0 x
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# 憭抒Socket交嗥楨摮' ]" d, y$ J6 j: x
net.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙# ~4 E& V9 r0 X1 }: q
net.core.wmem_default = 31457280. a) q4 H( L$ _" W' U
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net.core.wmem_max = 12582912- A" j4 e/ v( ~
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net.core.somaxconn = 4096
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# 憭抒雯頝舫亦backlog) ]% ]$ h! h) J- m) D: R& {% y2 K
net.core.netdev_max_backlog = 65536
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& O8 s/ i, j& Y0 O7 [! n* ^* I# 憭扯園蝺拙憭折# x L( y- m6 ?+ J4 q8 h8 u
net.core.optmem_max = 25165824+ t: v* d0 g p8 ~" l+ Z
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& _% \# D4 E3 h& q2 L. ^" T D, ?# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇) z$ L" H! G Y' D' G4 I6 w
# This is measured in units of pages (4096 bytes)
5 a7 c: j/ H8 N1 E3 F/ n- xnet.ipv4.tcp_mem = 65536 131072 2621442 ?6 s, F I% N9 v3 o1 K# b1 B
net.ipv4.udp_mem = 65536 131072 262144
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net.ipv4.tcp_rmem = 8192 87380 16777216
! {; U4 K4 d z9 qnet.ipv4.udp_rmem_min = 163847 D2 r3 r% O( M9 d! M& X/ Z
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/ _7 ~. G; ?+ c1 z# 憭批神亦楨摮臬蝛粹
. ^8 u; V+ k, Inet.ipv4.tcp_wmem = 8192 65536 167772166 o% L3 k9 l5 G7 K
net.ipv4.udp_wmem_min = 163846 X: A3 ?* \* u9 a9 z% L
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅: P- i3 g: \- } \0 o
net.ipv4.tcp_max_tw_buckets = 1440000
; Z! U$ U( o8 O! Xnet.ipv4.tcp_tw_recycle = 1
! @- d2 [- Z w; pnet.ipv4.tcp_tw_reuse = 1
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% O* E) p) \: H8 i+ W& c* S" Q B: Q摮瑼隞亦
6 I8 O) f1 d2 V: ?$ b o#sysctl -p 頛亙歇霈
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靘皞:$ K' |. M0 B" B9 L) M
3 k! ~. z5 S! k) }' l5 ahttps://easyengine.io/tutorials/linux/sysctl-conf/
/ i6 ?' {5 ?$ f5 x摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 " I8 b; b, x+ I1 B
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潸” 2017-8-28 11:01:58
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