Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:% d5 I/ |% i) V- q
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#vi /etc/sysctl.conf$ x9 S& |$ w5 R$ y
### 寥脩頂蝯梯園蝞∠ ###
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2 T7 E1 r$ D0 Y6 I% b# 憭扳獢inode敹怠3 R7 c, k' r$ @2 V3 ~5 t
fs.file-max = 2097152: K' r; [' L4 R
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# 頛撠鈭斗
3 G: ], W: ]0 {/ i8 Y# Bvm.swappiness = 10! Z; h, D0 o4 x- A9 p+ V2 \7 Y
vm.dirty_ratio = 60
; s( o8 b3 O9 mvm.dirty_background_ratio = 2: S! v0 _( c4 K( C$ y) X, r- J2 |
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- L' h5 U W& w; w& `" l, `5 k4 W# ~### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥" K- f! B( L& ?3 I3 x+ w5 Z3 I
net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭
) F4 f8 V% B5 C- A" s; d; gnet.ipv4.ip_local_port_range = 2000 655350 A' X! L! V \5 w( B
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/ Z. n' N% s2 Y* }+ s2 s# 貿CP Time-Wait靽霅) y7 n2 ]& {. j. ^) H
net.ipv4.tcp_rfc1337 = 1
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6 \4 v) `; c2 q& E# 雿撠 tcp_fin_timeout connection 閮剖
6 `2 P5 M( x9 }, z5 vnet.ipv4.tcp_fin_timeout = 15
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# 雿蝺摮瘣餅閮剖
8 R+ F2 x9 n7 P" M. \+ l3 c) anet.ipv4.tcp_keepalive_time = 300
6 u6 y- x! z l$ U" d/ vnet.ipv4.tcp_keepalive_probes = 5
* b+ O# E4 s* p" B7 i1 j/ Fnet.ipv4.tcp_keepalive_intvl = 15* V! T! i+ @6 m ]
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* ^6 l9 H \9 f, P0 Z6 Q1 K/ c### 隤踵渡雯頝舀 ###
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. [' f* [: w' |# 閮剔Socket交嗥楨摮
! e: \ P7 e' Fnet.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮) a z3 b8 Y% t* G h2 h6 w7 C
net.core.rmem_max = 12582912# o* ^4 I. T* V+ p+ t
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# 閮剔Socket喲蝺拙
3 Z9 s7 D$ \. b" g9 w7 |net.core.wmem_default = 31457280! I2 m) |7 }; m
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# 憭抒Socket喲蝺拙3 k5 y; U1 ~( L8 `" ?- N+ m
net.core.wmem_max = 12582912
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( y9 X J9 p, P# 憭抒雯頝舫交4 W3 C' g* g3 C
net.core.somaxconn = 4096* c% R3 A+ s$ n7 Z3 F' ]
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# 憭抒雯頝舫亦backlog; m7 e- V7 Z. e1 p: J
net.core.netdev_max_backlog = 65536: }: N$ }; X7 ?+ s
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/ K# L! ] R3 S2 S9 O# 憭扯園蝺拙憭折
3 G* x3 [2 e4 |$ Q' [6 x% p5 A: F- anet.core.optmem_max = 25165824
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
: S# Y6 e. s, W% R4 V+ |. d4 a# This is measured in units of pages (4096 bytes)/ y3 f! E* v$ ~+ O
net.ipv4.tcp_mem = 65536 131072 262144
! ]2 r- z T7 \2 ]& T$ |7 Fnet.ipv4.udp_mem = 65536 131072 262144
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# 憭扯蝺拙臬蝛粹. r J6 a0 R% q$ q/ y2 M; ~6 N. P
net.ipv4.tcp_rmem = 8192 87380 16777216
$ X, O9 m' k9 B2 t1 g; `5 Z( ^# q% wnet.ipv4.udp_rmem_min = 16384$ O6 G+ o" n: u* k- m; a. H( i
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7 n) g" V& _# Q/ `, f# 憭批神亦楨摮臬蝛粹6 e! |8 T3 ~% j
net.ipv4.tcp_wmem = 8192 65536 16777216, s& e$ T. t# g5 ?9 i2 N! f
net.ipv4.udp_wmem_min = 16384
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2 I; t B! ~$ j, }0 X* |5 k/ x1 d- F# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
5 Q6 i- k5 L9 q" m! P7 K; unet.ipv4.tcp_max_tw_buckets = 1440000
" o6 l5 h Y9 u5 A) ^$ A' q! |3 z5 bnet.ipv4.tcp_tw_recycle = 1
& V( ^5 ^. E5 F9 K$ K6 Bnet.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦; t7 Q+ d0 K6 f( L- k
#sysctl -p 頛亙歇霈
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8 t( m4 x, B( B# hhttps://easyengine.io/tutorials/linux/sysctl-conf/
# U9 b0 e, G1 V4 i- D: U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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